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Herb Full Sun Regular water

Basil

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

Essential culinary herb with fragrant leaves. A warmth-loving plant that does best between 20°C and 30°C, basil adapts well to tropical and subtropical conditions but cannot tolerate frost. It needs full sun (6-8 hours of direct light daily) and regular watering to keep soil consistently moist — leaves are ready for picking in about 50-75 days. Valued in cuisines worldwide, it is easy to grow and rewards regular harvesting with bushier, more productive plants.

Harvest 50-75 days
Temp Range 10°C — 35°C

Quick Answer: How to Grow Basil

Basil takes 50-75 days to harvest. It grows best in 20–30°C with full sun and regular watering. Basil 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 Basil in your city →

Growing Requirements

☀️
Sun
Full Sun
💧
Water
Regular
❄️
Frost
Sensitive
📅
Harvest
50-75 days

Temperature Range

20-30°C
-10°C 45°C
Optimal: 20–30°C Tolerates: 10–35°C
Tropical suitable: Yes
Cities growing: 350 of 350

Growing Tips

💡

Expert Tips

Pinch flower buds to encourage leaf growth. Harvest from top down. Wait until soil warms to at least 20°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Quick Facts

  • Grows in 350 of 350 cities
  • Available in 7 regions worldwide
  • Temperature range: 10°C to 35°C
  • Optimal growing: 20°C to 30°C
  • Harvest in 50-75 days

Did You Know?

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

Step-by-Step Growing Guide

Basil thrives in rich, well-draining soil at pH 6.0–7.0. Amend beds with mature compost at 30% volume before planting. Transplant seedlings 20–25cm apart in rows 30cm apart once night temperatures stay consistently above 10°C. Plant at the same depth as the nursery pot. Basil is extremely frost-sensitive — even a light frost kills it instantly. Water regularly to keep soil evenly moist but never waterlogged; aim for 2.5cm per week, watering at the base in the morning so foliage dries before evening. Container plants need daily checking in summer heat. Feed with a balanced liquid fertiliser (10-10-10) at half strength every 2–3 weeks — over-fertilising with nitrogen produces lush leaves but dilutes aromatic oils. Pinch growing tips and any flower buds weekly from the time the plant reaches 15cm tall; this keeps plants bushy and delays bolting by weeks. Basil grows happily in pots at least 20cm deep on a sunny windowsill indoors year-round.

Common Pests & Problems

Fusarium wilt (Fusarium oxysporum f. sp. basilici) causes sudden wilting, brown streaking in stems, and yellowing leaves — there is no cure; remove and destroy infected plants, avoid replanting basil in the same soil for 3 years. Downy mildew (Peronospora belbahrii) shows as yellowing upper leaf surfaces with grey-purple fuzz underneath in humid weather; improve air circulation by thinning plants and avoiding overhead watering. Japanese beetles and aphids cluster on young growth, causing distorted leaves — blast aphids off with a strong water jet and handpick beetles into soapy water in the early morning when they are sluggish. Neem oil spray applied weekly deters both.

Harvest & Storage

Harvest individual leaves or whole stems once the plant has at least 6 pairs of leaves. Always cut just above a leaf node to trigger two new branches. Harvest in the morning after dew has dried for maximum volatile oil content. Fresh basil lasts 5–7 days stored upright in a glass of water on the bench (never refrigerate — it blackens below 10°C). For longer use, blend with olive oil and freeze in ice cube trays for up to 3 months, or dry at under 35°C to preserve colour.

Popular Varieties

Genovese is the classic large-leaf Italian basil with a sweet, clove-anise fragrance — the non-negotiable choice for pesto. Thai basil has smaller, slightly serrated leaves with a distinct spicy-anise flavour that holds up to heat in cooked dishes. Purple Ruffles offers dramatic dark-violet, frilly leaves with a milder flavour and striking ornamental value in beds. Lettuce Leaf basil produces enormous, crinkled leaves up to 12cm wide — perfect for wrapping around food or garnishing platters.

Companion Plants for Basil

Good Companions

These plants grow well alongside Basil:

Avoid Planting Near

Keep these plants away from Basil:

Learn more about companion planting.

Where to Grow Basil

Basil can be grown in 350 cities across 7 regions worldwide

🌍 Europe (80 cities)

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

🌏 Asia (79 cities)

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

🌎 North America (78 cities)

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

🌍 Africa (39 cities)

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

🌎 South America (39 cities)

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

🌊 Oceania (19 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Adelaide, AU easy
Alice Springs, AU easy
Auckland, NZ easy
Brisbane, AU easy
Cairns, AU easy
Canberra, AU easy
Christchurch, NZ easy
Darwin, AU easy
Dunedin, NZ easy
Gold Coast, AU easy
Hamilton, NZ easy
Hobart, AU easy
Melbourne, AU easy
Noumea, NC easy
Perth, AU easy
Suva, FJ easy
Sydney, AU easy
Townsville, AU easy
Wellington, NZ easy

🕌 Middle East (16 cities)

City Level JanFebMarAprMayJunJulAugSepOctNovDec
Abu Dhabi, AE easy
Amman, JO easy
Baghdad, IQ easy
Beirut, LB easy
Doha, QA easy
Dubai, AE easy
Erbil, IQ easy
Jeddah, SA easy
Kuwait City, KW easy
Manama, BH easy
Muscat, OM easy
Riyadh, SA easy
Sana'a, YE easy
Tabriz, IR easy
Tehran, IR easy
Tel Aviv, IL easy

When should I plant basil in my city?

The best time to plant basil depends on your local climate zone. It thrives in temperatures between 20°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 basil in winter?

Basil 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 Basil Seeds & Plants

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

People Also Search For

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Similar Growing Requirements

Frequently Asked Questions about Basil

When should I plant basil?

The best time to plant basil depends on your local climate. Basil grows best in temperatures between 20°C and 30°C (can tolerate 10°C to 35°C). Basil 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 basil grow in tropical climates?

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

How long does basil take to grow?

Basil typically takes 50-75 days from planting to harvest. It requires full sun and regular watering. Pinch flower buds to encourage leaf growth. Harvest from top down. Wait until soil warms to at least 20°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Find the Best Time to Plant Basil

See the planting calendar for Basil in these popular cities:

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

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