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Fruit Full Sun Regular water

Boysenberry

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

Large, dark berry -- a cross of raspberry, blackberry, and loganberry. Hardy enough to withstand light frosts down to -10°C, boysenberry performs best when daytime temperatures stay between 15°C and 25°C. Give it full sun (6-8 hours of direct light daily) and regular watering to keep soil consistently moist, and expect to harvest in roughly 365-545 days. Well worth the space it takes — a single productive plant can supply a household through the season.

Harvest 365-545 days
Temp Range -10°C — 32°C
Frost Tolerant ❄

Quick Answer: How to Grow Boysenberry

Boysenberry takes 365-545 days to harvest. It grows best in 15–25°C with full sun and regular watering. Boysenberry is frost tolerant and can handle temperatures down to -10°C. It can be grown in 350 cities worldwide.

Find the best time to plant Boysenberry in your city →

Growing Requirements

☀️
Sun
Full Sun
💧
Water
Regular
❄️
Frost
Tolerant
📅
Harvest
365-545 days

Temperature Range

15-25°C
-10°C 45°C
Optimal: 15–25°C Tolerates: -10–32°C
Tropical suitable: No
Cities growing: 350 of 350

Growing Tips

💡

Expert Tips

Train on trellis. Prune spent canes after harvest. 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: -10°C to 32°C
  • Optimal growing: 15°C to 25°C
  • Harvest in 365-545 days

Did You Know?

  • 🌱 Boysenberry is frost-tolerant, meaning it can survive light frosts and even thrive in cooler temperatures.
  • 🌱 Boysenberry needs at least 6-8 hours of direct sunlight daily for optimal growth.

Step-by-Step Growing Guide

Boysenberries (Rubus ursinus x idaeus hybrid) require deep, well-drained, fertile soil with a pH of 5.5–6.5. Work generous compost into a raised bed or mounded row before planting — boysenberries are heavy feeders and drainage is critical to prevent root rot. Plant bare-root canes in early spring, spreading roots over a small soil mound at the center of the planting hole. Set the crown 1–2 inches below the surface. Space plants 5–8 feet apart in rows 8–10 feet apart. Provide a sturdy trellis system — a T-bar with 3 horizontal wires works well. Train new canes upward; they will fruit the following season. Water deeply, 1–2 inches per week throughout the growing season. Apply balanced fertilizer in early spring as new canes emerge. Top-dress with compost each fall. After harvest, remove all floricanes (the canes that fruited, which die naturally) at ground level — this redirects energy into new primocanes for the following year.

Common Pests & Problems

Orange rust is a serious boysenberry disease — it overwinters in the root system and causes bright orange pustules on leaf undersides in spring; unlike surface rust, there is no cure. Remove and destroy infected plants entirely, roots and all, and do not replant brambles in that location for 3 years. Cane blight causes dark brown lesions on canes, particularly at pruning wounds — prune with clean, disinfected tools and remove affected canes at ground level. Spotted wing drosophila (Drosophila suzukii) is an invasive fruit fly that lays eggs in ripening berries; larvae render fruit inedible — harvest promptly at first color and use fine mesh netting over plants during ripening as the most effective control.

Harvest & Storage

Boysenberries ripen from deep red to a very dark maroon-purple-black; they are ready when fully black and pull free from the plant with the slightest touch. Unlike raspberries, they separate from the core (like a raspberry) rather than staying whole (like a blackberry). Harvest every 1–2 days at peak ripeness — overripe berries deteriorate within hours. Handle minimally as they are extremely soft and crush easily. Fresh berries are perishable and should be refrigerated immediately and used within 1–2 days. Freeze on a single layer on a sheet tray, then transfer to bags for storage up to 1 year. Boysenberries make exceptional jam due to their high pectin content and complex flavor.

Popular Varieties

The original 'Boysen' variety, developed by Rudolph Boysen in the 1920s and popularized by Walter Knott of Knott's Berry Farm, remains the standard. 'Thornless Boysen' is a vegetatively propagated sport of the original with identical flavor but without the fierce thorns, making harvest far more manageable. 'Ollalie' is a closely related hybrid with similar parentage, slightly firmer berries, and better shelf life — widely grown in California for commercial fresh market sale. 'Marionberry' (a blackberry-raspberry hybrid) is often grown alongside boysenberries and shares similar cultural requirements and culinary uses.

Where to Grow Boysenberry

Boysenberry can be grown in 350 cities across 7 regions worldwide

🌍 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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Marseille, FR 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 boysenberry in my city?

The best time to plant boysenberry depends on your local climate zone. It thrives in temperatures between 15°C and 25°C. Since boysenberry 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 boysenberry in winter?

Yes, boysenberry is frost tolerant and can handle temperatures down to -10°C. In many climates, it can be grown through winter with some protection.

Get Boysenberry Seeds & Plants

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

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Similar Growing Requirements

Frequently Asked Questions about Boysenberry

When should I plant boysenberry?

The best time to plant boysenberry depends on your local climate. Boysenberry grows best in temperatures between 15°C and 25°C (can tolerate -10°C to 32°C). Boysenberry 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 boysenberry grow in tropical climates?

Boysenberry is not well-suited for tropical climates. It prefers cooler conditions with temperatures between 15°C and 25°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 boysenberry take to grow?

Boysenberry typically takes 365-545 days from planting to harvest. It requires full sun and regular watering. Train on trellis. Prune spent canes after harvest. 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 Boysenberry

See the planting calendar for Boysenberry in these popular cities:

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

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