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Vegetable Full Sun Moderate water

Jalapeno

Written by the GrowByCity Editorial Team · Updated April 2026
2 min read

Popular medium-heat chili. A warmth-loving plant that does best between 22°C and 30°C, jalapeno adapts well to tropical and subtropical conditions but cannot tolerate frost. Give it full sun (6-8 hours of direct light daily) and moderate, even watering throughout the growing season, and expect to harvest in roughly 70-80 days. Whether grown in raised beds, containers, or traditional plots, it produces well across a range of climates.

Harvest 70-80 days
Temp Range 15°C — 35°C

Quick Answer: How to Grow Jalapeno

Jalapeno takes 70-80 days to harvest. It grows best in 22–30°C with full sun and moderate watering. Jalapeno is not frost tolerant — wait until after the last frost to plant. It can be grown in 350 cities worldwide.

Find the best time to plant Jalapeno in your city →

Growing Requirements

☀️
Sun
Full Sun
💧
Water
Moderate
❄️
Frost
Sensitive
📅
Harvest
70-80 days

Temperature Range

22-30°C
-10°C 45°C
Optimal: 22–30°C Tolerates: 15–35°C
Tropical suitable: Yes
Cities growing: 350 of 350

Growing Tips

💡

Expert Tips

Start indoors 8 weeks before last frost. Red jalapenos are riper and hotter than green. Wait until soil warms to at least 22°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Quick Facts

  • Grows in 350 of 350 cities
  • Available in 7 regions worldwide
  • Temperature range: 15°C to 35°C
  • Optimal growing: 22°C to 30°C
  • Harvest in 70-80 days

Did You Know?

  • 🌱 Jalapeno loves the heat! It thrives in tropical and subtropical climates year-round.
  • 🌱 Jalapeno needs at least 6-8 hours of direct sunlight daily for optimal growth.

Step-by-Step Growing Guide

Jalapenos demand a long, warm season — start seeds indoors 8–10 weeks before last frost in a propagation tray at 27–32°C soil temperature. Germination is slow; use a heat mat for best results. Transplant into well-drained loam or sandy loam with pH 6.0–6.8, enriched with compost and a balanced 10-10-10 fertilizer worked in 15cm deep. Space plants 45cm apart in rows 60cm wide. Jalapenos are moderate water users — consistent moisture is critical; erratic watering causes blossom drop and misshapen fruit. Aim for 2.5cm per week, switching to drip irrigation to keep foliage dry. Once flowering begins, side-dress with a low-nitrogen, high-phosphorus fertilizer (5-10-10) every 3–4 weeks to encourage fruiting over leafy growth. Pinch the first few flowers to let the plant establish before fruiting. In containers, use at least a 12L pot. Mulch heavily to retain soil moisture and suppress weeds.

Common Pests & Problems

Pepper weevils are the most destructive pest specific to jalapenos — tiny snout-nosed beetles that bore into developing pods and cause them to drop prematurely. Inspect pods regularly; destroy infested fruit and use kaolin clay spray as a preventive barrier. Phytophthora blight (Phytophthora capsici) causes sudden wilting and dark lesions at the crown — it thrives in waterlogged soil, so raised beds and excellent drainage are the best defense; no organic cure once established, so rotate crops on a 4-year cycle. Bacterial leaf spot (Xanthomonas campestris pv. vesicatoria) produces water-soaked lesions that turn brown with yellow halos; manage with copper-based sprays and avoid overhead watering. Remove affected leaves promptly.

Harvest & Storage

Harvest green jalapenos at 7–9cm long when skin is firm, taut, and deep glossy green — this is 70–80 days from transplant. For red, fully ripe jalapenos (hotter, sweeter), leave on plant until fully red. Use pruning shears rather than pulling to avoid snapping branches. Fresh jalapenos keep 1–2 weeks refrigerated in a paper bag. For longer storage, pickle in vinegar brine or smoke and dry into chipotles. Frozen jalapenos lose texture but retain heat and flavor for up to 12 months.

Popular Varieties

"Early Jalapeno" matures 65 days from transplant — ideal for short-season climates. "Mucho Nacho" produces extra-large pods up to 10cm long with classic medium heat, excellent for stuffing and poppers. "Lemon Spice" is a novelty variety ripening to bright yellow with a citrusy undertone alongside the classic heat. "TAM Jalapeno" was bred at Texas A&M specifically for mild heat — around 1,000–3,500 Scoville — making it accessible for heat-sensitive cooks while retaining authentic flavor.

Where to Grow Jalapeno

Jalapeno can be grown in 350 cities across 7 regions worldwide

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Europe

80 cities
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Asia

79 cities
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North America

78 cities
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Africa

39 cities
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South America

39 cities
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Oceania

19 cities
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Middle East

16 cities

🌍 Europe (80 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Aarhus, DK medium
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Amsterdam, NL medium
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Ankara, TR medium
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Antalya, TR medium
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Athens, GR medium
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Barcelona, ES medium
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Bari, IT medium
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Belgrade, RS medium
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Bergen, NO medium
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Berlin, DE medium
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Bilbao, ES medium
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Bologna, IT medium
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Bordeaux, FR medium
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Bratislava, SK medium
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Brussels, BE medium
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Bucharest, RO medium
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Budapest, HU medium
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Catania, IT medium
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Cologne, DE medium
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Copenhagen, DK medium
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Corfu, GR medium
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Cork, IE medium
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Dublin, IE medium
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Dubrovnik, HR medium
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Edinburgh, GB medium
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Florence, IT medium
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Frankfurt, DE medium
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Genoa, IT medium
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Glasgow, GB medium
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Hamburg, DE medium
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Helsinki, FI medium
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Heraklion, GR medium
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Istanbul, TR medium
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Izmir, TR medium
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Krakow, PL medium
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Kyiv, UA medium
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Limassol, CY medium
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Lisbon, PT medium
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Ljubljana, SI medium
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London, GB medium
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Lyon, FR medium
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Madrid, ES medium
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Malaga, ES medium
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Marseille, FR medium
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Milan, IT medium
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Munich, DE medium
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Naples, IT medium
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Nice, FR medium
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Nicosia, CY medium
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Oslo, NO medium
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Palermo, IT medium
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Paris, FR medium
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Porto, PT medium
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Poznan, PL medium
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Prague, CZ medium
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Reykjavik, IS medium
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Riga, LV medium
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Rome, IT medium
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Seville, ES medium
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Sofia, BG medium
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Split, HR medium
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Stockholm, SE medium
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Strasbourg, FR medium
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Stuttgart, DE medium
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Tallinn, EE medium
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Thessaloniki, GR medium
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Tirana, AL medium
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Toulouse, FR medium
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Turin, IT medium
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Turku, FI medium
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Valencia, ES medium
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Valletta, MT medium
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Verona, IT medium
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Vienna, AT medium
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Vilnius, LT medium
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Warsaw, PL medium
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Zagreb, HR medium
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Zurich, CH medium
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🌏 Asia (79 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Ahmedabad, IN medium
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Almaty, KZ medium
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Bali, ID medium
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Bandung, ID medium
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Bangalore, IN medium
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Bangkok, TH medium
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Beijing, CN medium
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Busan, KR medium
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Cebu, PH medium
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Chandigarh, IN medium
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Chengdu, CN medium
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Chennai, IN medium
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Chiang Mai, TH medium
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Chittagong, BD medium
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Chongqing, CN medium
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Coimbatore, IN medium
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Colombo, LK medium
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Da Nang, VN medium
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Dalian, CN medium
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Davao, PH medium
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Delhi, IN medium
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Dhaka, BD medium
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Dharan, NP medium
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Fukuoka, JP medium
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Galle, LK medium
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Guangzhou, CN medium
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Hangzhou, CN medium
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Hanoi, VN medium
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Harbin, CN medium
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Ho Chi Minh City, VN medium
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Hong Kong, HK medium
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Hyderabad, IN medium
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Incheon, KR medium
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Indore, IN medium
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Islamabad, PK medium
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Jaipur, IN medium
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Jakarta, ID medium
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Jeju, KR medium
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Johor Bahru, MY medium
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Karachi, PK medium
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Kathmandu, NP medium
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Kochi, IN medium
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Kolkata, IN medium
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Kuala Lumpur, MY medium
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Kunming, CN medium
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Kyoto, JP medium
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Lahore, PK medium
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Lucknow, IN medium
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Manila, PH medium
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Mumbai, IN medium
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Nagoya, JP medium
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Nanjing, CN medium
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Nha Trang, VN medium
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Okinawa, JP medium
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Osaka, JP medium
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Pattaya, TH medium
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Penang, MY medium
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Phnom Penh, KH medium
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Pune, IN medium
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Sapporo, JP medium
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Seoul, KR medium
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Shanghai, CN medium
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Shenzhen, CN medium
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Siem Reap, KH medium
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Singapore, SG medium
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Surabaya, ID medium
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Surat, IN medium
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Taipei, TW medium
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Tashkent, UZ medium
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Tbilisi, GE medium
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Tokyo, JP medium
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Ulaanbaatar, MN medium
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Varanasi, IN medium
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Vientiane, LA medium
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Visakhapatnam, IN medium
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Wuhan, CN medium
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Xi'an, CN medium
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Xiamen, CN medium
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Yangon, MM medium
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🌎 North America (78 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Albuquerque, US medium
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Anchorage, US medium
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Atlanta, US medium
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Austin, US medium
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Baltimore, US medium
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Baton Rouge, US medium
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Boise, US medium
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Boston, US medium
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Bridgetown, BB medium
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Buffalo, US medium
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Calgary, CA medium
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Cancun, MX medium
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Charleston, US medium
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Charlotte, US medium
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Chattanooga, US medium
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Chicago, US medium
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Denver, US medium
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Des Moines, US medium
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Detroit, US medium
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Edmonton, CA medium
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El Paso, US medium
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Fargo, US medium
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Fresno, US medium
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Guadalajara, MX medium
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Halifax, CA medium
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Hartford, US medium
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Havana, CU medium
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Honolulu, US medium
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Houston, US medium
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Jacksonville, US medium
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Kansas City, US medium
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Kingston, JM medium
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Knoxville, US medium
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Las Vegas, US medium
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Little Rock, US medium
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Los Angeles, US medium
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Louisville, US medium
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Lubbock, US medium
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Madison, US medium
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Memphis, US medium
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Mexico City, MX medium
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Miami, US medium
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Milwaukee, US medium
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Minneapolis, US medium
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Monterrey, MX medium
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Montreal, CA medium
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Nashville, US medium
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New Orleans, US medium
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New York, US medium
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Oaxaca, MX medium
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Oklahoma City, US medium
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Omaha, US medium
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Ottawa, CA medium
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Panama City, PA medium
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Phoenix, US medium
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Pittsburgh, US medium
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Portland, US medium
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Puebla, MX medium
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Quebec City, CA medium
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Raleigh, US medium
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Richmond, US medium
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Sacramento, US medium
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Salt Lake City, US medium
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San Diego, US medium
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San Francisco, US medium
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San Jose, CR medium
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Santo Domingo, DO medium
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Saskatoon, CA medium
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Savannah, US medium
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Seattle, US medium
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Spokane, US medium
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St. Louis, US medium
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Tampa, US medium
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Toronto, CA medium
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Tucson, US medium
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Vancouver, CA medium
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Victoria, CA medium
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Winnipeg, CA medium
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🌍 Africa (39 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Abidjan, CI medium
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Accra, GH medium
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Addis Ababa, ET medium
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Algiers, DZ medium
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Antananarivo, MG medium
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Arusha, TZ medium
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Bamako, ML medium
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Bloemfontein, ZA medium
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Cairo, EG medium
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Cape Town, ZA medium
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Casablanca, MA medium
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Dakar, SN medium
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Dar es Salaam, TZ medium
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Douala, CM medium
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Durban, ZA medium
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Entebbe, UG medium
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Fez, MA medium
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Freetown, SL medium
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Harare, ZW medium
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Johannesburg, ZA medium
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Kampala, UG medium
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Kigali, RW medium
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Kinshasa, CD medium
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Lagos, NG medium
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Libreville, GA medium
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Lilongwe, MW medium
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Lome, TG medium
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Luanda, AO medium
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Lusaka, ZM medium
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Maputo, MZ medium
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Marrakech, MA medium
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Mombasa, KE medium
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Nairobi, KE medium
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Ouagadougou, BF medium
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Port Louis, MU medium
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Pretoria, ZA medium
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Tunis, TN medium
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Windhoek, NA medium
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Zanzibar, TZ medium
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🌎 South America (39 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Arequipa, PE medium
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Asuncion, PY medium
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Barranquilla, CO medium
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Belem, BR medium
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Bogota, CO medium
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Brasilia, BR medium
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Buenos Aires, AR medium
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Cali, CO medium
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Campinas, BR medium
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Caracas, VE medium
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Cartagena, CO medium
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Concepcion, CL medium
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Cordoba, AR medium
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Curitiba, BR medium
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Cusco, PE medium
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Fortaleza, BR medium
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Georgetown, GY medium
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Goiania, BR medium
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Guayaquil, EC medium
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La Paz, BO medium
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Lima, PE medium
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Manaus, BR medium
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Medellin, CO medium
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Mendoza, AR medium
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Montevideo, UY medium
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Paramaribo, SR medium
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Port of Spain, TT medium
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Porto Alegre, BR medium
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Quito, EC medium
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Recife, BR medium
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Rio de Janeiro, BR medium
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Rosario, AR medium
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Salvador, BR medium
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Santa Cruz, BO medium
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Santiago, CL medium
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Sao Paulo, BR medium
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Sucre, BO medium
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Trujillo, PE medium
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Valparaiso, CL medium
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🌊 Oceania (19 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Adelaide, AU medium
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Alice Springs, AU medium
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Auckland, NZ medium
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Brisbane, AU medium
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Cairns, AU medium
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Canberra, AU medium
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Christchurch, NZ medium
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Darwin, AU medium
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Dunedin, NZ medium
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Gold Coast, AU medium
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Hamilton, NZ medium
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Hobart, AU medium
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Melbourne, AU medium
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Noumea, NC medium
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Perth, AU medium
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Suva, FJ medium
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Sydney, AU medium
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Townsville, AU medium
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Wellington, NZ medium
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🕌 Middle East (16 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Abu Dhabi, AE medium
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Amman, JO medium
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Baghdad, IQ medium
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Beirut, LB medium
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Doha, QA medium
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Dubai, AE medium
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Erbil, IQ medium
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Jeddah, SA medium
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Kuwait City, KW medium
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Manama, BH medium
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Muscat, OM medium
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Riyadh, SA medium
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Sana'a, YE medium
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Tabriz, IR medium
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Tehran, IR medium
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Tel Aviv, IL medium
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When should I plant jalapeno in my city?

The best time to plant jalapeno depends on your local climate zone. It thrives in temperatures between 22°C and 30°C. Wait until after the last frost in your area. Check your city's planting calendar on GrowByCity for exact dates.

Can I grow jalapeno in winter?

Jalapeno is not frost tolerant and cannot survive winter outdoors in most temperate climates. In tropical areas (USDA Zones 10+), it may grow year-round.

Get Jalapeno Seeds & Plants

Ready to start growing? Find Jalapeno seeds and starter plants online.

Shop on Burpee Search on Amazon

People Also Search For

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Zucchini

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Frequently Asked Questions about Jalapeno

When should I plant jalapeno?

The best time to plant jalapeno depends on your local climate. Jalapeno grows best in temperatures between 22°C and 30°C (can tolerate 15°C to 35°C). Jalapeno is not frost tolerant, so wait until after the last frost in your area. Check your city's planting calendar on GrowByCity for exact planting months.

Can jalapeno grow in tropical climates?

Yes! Jalapeno can grow in tropical climates. It's successfully grown in tropical cities like Abidjan, Abu Dhabi, Accra. Jalapeno requires full sun and moderate watering.

How long does jalapeno take to grow?

Jalapeno typically takes 70-80 days from planting to harvest. It requires full sun and moderate watering. Start indoors 8 weeks before last frost. Red jalapenos are riper and hotter than green. Wait until soil warms to at least 22°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Find the Best Time to Plant Jalapeno

See the planting calendar for Jalapeno in these popular cities:

London, GBMumbai, INNew York, USParis, FRSingapore, SGSydney, AUTokyo, JPToronto, CA

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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