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Vegetable Full Sun to Partial Shade Regular water

Mizuna

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

Japanese mustard green with feathery leaves and mild, peppery flavor. Hardy enough to withstand light frosts down to -5°C, mizuna performs best when daytime temperatures stay between 10°C and 20°C. Give it full sun to partial shade and regular watering to keep soil consistently moist, and expect to harvest in roughly 21-40 days. An excellent choice for beginner and experienced gardeners alike, thanks to its forgiving growing habits.

Harvest 21-40 days
Temp Range -5°C — 25°C
Frost Tolerant ❄

Quick Answer: How to Grow Mizuna

Mizuna takes 21-40 days to harvest. It grows best in 10–20°C with full sun to partial shade and regular watering. Mizuna is frost tolerant and can handle temperatures down to -5°C. It can be grown in 350 cities worldwide.

Find the best time to plant Mizuna in your city →

Growing Requirements

☀️
Sun
Full Sun to Partial Shade
💧
Water
Regular
❄️
Frost
Tolerant
📅
Harvest
21-40 days

Temperature Range

10-20°C
-10°C 45°C
Optimal: 10–20°C Tolerates: -5–25°C
Tropical suitable: No
Cities growing: 350 of 350

Growing Tips

💡

Expert Tips

Very fast-growing. Cut-and-come-again harvesting. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. 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: -5°C to 25°C
  • Optimal growing: 10°C to 20°C
  • Harvest in 21-40 days

Did You Know?

  • 🌱 Mizuna is frost-tolerant, meaning it can survive light frosts and even thrive in cooler temperatures.

Step-by-Step Growing Guide

Mizuna (Brassica rapa var. nipposinica) is one of the fastest, most versatile salad greens available. It thrives in well-draining, moderately fertile soil with a pH of 6.0–7.0. Direct sow from early spring through autumn, broadcasting seeds over a prepared seedbed or drilling in rows 20 cm apart at 0.5 cm depth. For baby leaf production, sow thickly at 1–2 cm apart and cut at 5 cm height. For full-sized rosettes, thin to 20–25 cm. Water regularly and evenly — drought stress triggers premature bolting. Apply a balanced liquid fertiliser every 2 weeks for continuous cut-and-come-again harvest. Mizuna tolerates light frost to –5°C, making it ideal for autumn and winter growing under low tunnels or cloches. In warm climates, it bolts rapidly in temperatures above 25°C; choose shade-cloth-protected beds in summer. Succession sow every 3 weeks for uninterrupted supply.

Common Pests & Problems

Flea beetles (Phyllotreta spp.) create tiny round shot holes across leaves — most damaging to seedlings; protect with fine insect mesh immediately after sowing. Cabbage white butterfly (Pieris brassicae) and cabbage moth (Mamestra brassicae) caterpillars chew large holes in leaves; use fine mesh exclusion netting to prevent egg-laying. Aphids, particularly cabbage aphid (Brevicoryne brassicae), colonise growing tips causing distorted leaves; apply insecticidal soap or neem oil and encourage predators. Downy mildew (Peronospora parasitica) appears as yellow patches on leaf surfaces with grey-white mould beneath in cool, humid conditions; improve spacing and avoid wet foliage.

Harvest & Storage

Begin harvesting mizuna as soon as plants reach 10–15 cm for baby leaves (about 21 days from sowing). For cut-and-come-again, use scissors to cut leaves 2–3 cm above the crown, allowing the plant to re-sprout for multiple further harvests. A single sowing typically yields 3–5 cuts before quality declines. Full rosettes for whole-plant harvest are ready at 30–45 days. Mizuna wilts rapidly after cutting; harvest in the cool morning and refrigerate immediately in a damp cloth or sealed bag. It keeps for 3–5 days in the refrigerator. Mizuna does not freeze or dry well — consume fresh or use within days of harvest.

Popular Varieties

Kyoto Mizuna is the classic form with deeply serrated, feathery green leaves and white stems; the most widely grown variety for both commercial baby leaf and home garden production. Red Komatsuna is a closely related red-stemmed green with a similar but slightly more mustard-forward flavour and striking colour for salad mixes. Waido Mizuna is a more compact selection with broader, less deeply cut leaves and a milder, more spinach-like flavour suited to those sensitive to peppery notes. Mibuna is a close relative (Brassica rapa var. nipposinica) with smooth, strap-shaped leaves rather than feathery ones and a slightly stronger, more mustard-like flavour.

Where to Grow Mizuna

Mizuna can be grown in 350 cities across 7 regions worldwide

🌍 Europe (80 cities)

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Aarhus, DK easy
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Istanbul, TR easy
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Riga, LV easy
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Tirana, AL easy
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Toulouse, FR easy
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Vilnius, LT easy
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Zurich, CH easy
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🌏 Asia (79 cities)

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Ahmedabad, IN easy
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Almaty, KZ easy
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Bali, ID easy
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Bandung, ID easy
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Bangkok, TH easy
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Beijing, CN easy
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Busan, KR easy
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Cebu, PH easy
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Chandigarh, IN easy
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Chengdu, CN easy
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Chennai, IN easy
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Chiang Mai, TH easy
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Chittagong, BD easy
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Chongqing, CN easy
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Coimbatore, IN easy
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Colombo, LK easy
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Da Nang, VN easy
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Dalian, CN easy
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Davao, PH easy
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Delhi, IN easy
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Dhaka, BD easy
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Dharan, NP easy
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Fukuoka, JP easy
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Galle, LK easy
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Hanoi, VN easy
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Harbin, CN easy
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Hyderabad, IN easy
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Incheon, KR easy
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Indore, IN easy
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Islamabad, PK easy
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Jaipur, IN easy
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Jakarta, ID easy
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Jeju, KR easy
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Johor Bahru, MY easy
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Karachi, PK easy
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Kathmandu, NP easy
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Kochi, IN easy
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Kolkata, IN easy
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Kuala Lumpur, MY easy
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Kunming, CN easy
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Kyoto, JP easy
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Lahore, PK easy
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Manila, PH easy
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Nagoya, JP easy
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Nanjing, CN easy
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Nha Trang, VN easy
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Okinawa, JP easy
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Osaka, JP easy
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Pune, IN easy
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Seoul, KR easy
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Surabaya, ID easy
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Surat, IN easy
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Tokyo, JP easy
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Ulaanbaatar, MN easy
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Varanasi, IN easy
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Vientiane, LA easy
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Wuhan, CN easy
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Yangon, MM easy
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🌎 North America (78 cities)

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

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

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

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

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

The best time to plant mizuna depends on your local climate zone. It thrives in temperatures between 10°C and 20°C. Since mizuna 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 mizuna in winter?

Yes, mizuna is frost tolerant and can handle temperatures down to -5°C. In many climates, it can be grown through winter with some protection.

Get Mizuna Seeds & Plants

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

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Similar Growing Requirements

Frequently Asked Questions about Mizuna

When should I plant mizuna?

The best time to plant mizuna depends on your local climate. Mizuna grows best in temperatures between 10°C and 20°C (can tolerate -5°C to 25°C). Mizuna 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 mizuna grow in tropical climates?

Mizuna is not well-suited for tropical climates. It prefers cooler conditions with temperatures between 10°C and 20°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 mizuna take to grow?

Mizuna typically takes 21-40 days from planting to harvest. It requires full sun to partial shade and regular watering. Very fast-growing. Cut-and-come-again harvesting. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. 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 Mizuna

See the planting calendar for Mizuna in these popular cities:

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

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