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Herb Full Sun Low water

Hyssop

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

Ancient medicinal herb with blue flower spikes. Hardy enough to withstand light frosts down to -15°C, hyssop performs best when daytime temperatures stay between 12°C and 24°C. It needs full sun (6-8 hours of direct light daily) and minimal watering — it prefers dry conditions between drinks — leaves are ready for picking in about 60-90 days. Valued in cuisines worldwide, it is easy to grow and rewards regular harvesting with bushier, more productive plants.

Harvest 60-90 days
Temp Range -15°C — 30°C
Frost Tolerant ❄

Quick Answer: How to Grow Hyssop

Hyssop takes 60-90 days to harvest. It grows best in 12–24°C with full sun and low watering. Hyssop is frost tolerant and can handle temperatures down to -15°C. It can be grown in 350 cities worldwide.

Find the best time to plant Hyssop in your city →

Growing Requirements

☀️
Sun
Full Sun
💧
Water
Low
❄️
Frost
Tolerant
📅
Harvest
60-90 days

Temperature Range

12-24°C
-10°C 45°C
Optimal: 12–24°C Tolerates: -15–30°C
Tropical suitable: No
Cities growing: 350 of 350

Growing Tips

💡

Expert Tips

Drought-tolerant once established. Cut back in spring. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Quick Facts

  • Grows in 350 of 350 cities
  • Available in 7 regions worldwide
  • Temperature range: -15°C to 30°C
  • Optimal growing: 12°C to 24°C
  • Harvest in 60-90 days

Did You Know?

  • 🌱 Hyssop is frost-tolerant, meaning it can survive light frosts and even thrive in cooler temperatures.
  • 🌱 Hyssop needs at least 6-8 hours of direct sunlight daily for optimal growth.
  • 🌱 Hyssop is drought-tolerant — perfect for gardeners who tend to forget watering!

Step-by-Step Growing Guide

Hyssop (Hyssopus officinalis) demands sharp drainage and lean, alkaline-to-neutral soil at pH 7.0–8.0 — rich, moist soil produces lush, weak growth with diminished essential oil concentration. Prepare beds by mixing in coarse grit or gravel to ensure fast drainage. Start seeds indoors 8 weeks before last frost at 18–21°C, or direct sow in spring or fall. Transplant or thin to 30–45 cm spacing in full sun. Once established, hyssop is remarkably drought-tolerant and requires watering only during prolonged dry spells — overwatering is the primary cause of plant failure. Avoid nitrogen-rich fertilizers; a light application of balanced granular feed in spring is sufficient. After flowering, cut plants back by one-third to two-thirds to encourage a second flush of bloom and prevent woody, open centers. Divide clumps every 3–4 years in spring to maintain vigor. Hyssop is semi-evergreen in mild climates and fully hardy to -15°C.

Common Pests & Problems

Root rot from overwatering or poorly drained soil is the most common problem; symptoms include sudden wilting and blackened roots despite moist soil — improve drainage immediately and allow the soil to dry considerably between waterings. Aphids occasionally cluster on soft new growth in spring; pinch off infested tips or apply a strong water jet, as hyssop's strong oils deter most pests naturally. Rust (Puccinia menthae, shared with other Lamiaceae) can appear as orange-brown pustules on leaves in humid conditions — remove affected foliage and apply sulfur-based fungicide. Hyssop is generally robust and rarely troubled by serious pests or diseases when planted in the correct dry, well-drained conditions.

Harvest & Storage

Harvest hyssop leaves and flowering tips just as the first flowers open on each spike, when essential oil content is at its peak — this is also when the aroma is strongest. Cut stems back by half using clean scissors, leaving enough foliage for the plant to recover. Fresh leaves can be used immediately in herbal teas, liqueurs, and savory dishes with game or fatty meats. Dry bunches in a warm, dark, well-ventilated space; dried hyssop retains its piney, minty character for 12 months in airtight containers away from light.

Popular Varieties

The straight species Hyssopus officinalis is available in three flower-color forms: the classic deep blue (most common and medicinally strongest), a clear white form ("Alba") with a slightly softer aroma, and a rose-pink form ("Roseus") that is particularly attractive to bees and butterflies. "Aristatus" (rock hyssop) is a dwarf subspecies reaching just 20–30 cm, ideal for rockeries and container growing with equally potent flavor. All forms are essentially the same species and can be used interchangeably in cooking and medicine.

Where to Grow Hyssop

Hyssop can be grown in 350 cities across 7 regions worldwide

🌍

Europe

80 cities
🌏

Asia

79 cities
🌎

North America

78 cities
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Africa

39 cities
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South America

39 cities
🌊

Oceania

19 cities
🕌

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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Gdansk, PL medium
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Genoa, IT medium
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Glasgow, GB medium
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Gothenburg, SE 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 hyssop in my city?

The best time to plant hyssop depends on your local climate zone. It thrives in temperatures between 12°C and 24°C. Since hyssop is frost tolerant, you can plant it before the last frost date. Check your city's planting calendar on GrowByCity for exact dates.

Can I grow hyssop in winter?

Yes, hyssop is frost tolerant and can handle temperatures down to -15°C. In many climates, it can be grown through winter with some protection.

Get Hyssop Seeds & Plants

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

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Frequently Asked Questions about Hyssop

When should I plant hyssop?

The best time to plant hyssop depends on your local climate. Hyssop grows best in temperatures between 12°C and 24°C (can tolerate -15°C to 30°C). Hyssop is frost tolerant, so it can be planted earlier in spring or later in fall. Check your city's planting calendar on GrowByCity for exact planting months.

Can hyssop grow in tropical climates?

Hyssop is not well-suited for tropical climates. It prefers cooler conditions with temperatures between 12°C and 24°C. In tropical areas, it may bolt, fail to fruit, or suffer from heat stress. Consider growing it in cooler seasons or at higher elevations.

How long does hyssop take to grow?

Hyssop typically takes 60-90 days from planting to harvest. It requires full sun and low watering. Drought-tolerant once established. Cut back in spring. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.

Find the Best Time to Plant Hyssop

See the planting calendar for Hyssop 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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