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Growing Black from Tula in Zone 10a
Solanum lycopersicum
Varies for Zone 10a
🌡️ USDA Hardiness Zone 10a
Subtropical/Tropical Transition
USDA 2023 Verified
Growing Season
300-350 days
Winter Minimum
30°F to 35°F
(-1.1°C to 1.7°C)
AHS Heat Zone 9-12
121 to 150 heat days per year • High heat stress
Typical regions: South Florida, Southern California coast, Southern Arizona, San Francisco CA, Phoenix AZ
📊 Data Source:
USDA Plant Hardiness Zone Map 2023 • Frost dates from NOAA station USW00023183 • Last verified: 1/22/2026
📊 Zone Compatibility Analysis
💾 Suitability computed by Solara Agricultural Intelligence Platform
📅 Zone 10a Planting Calendar for Black from Tula
🌱 Start Seeds Indoors
6-8 weeks before last frost
Approximately late winter to early spring
🪴 Transplant Outdoors
After last frost
When soil reaches 60°F+
🌾 Direct Sow (Alternative)
2 weeks after last frost
For warm-season crops
🥕 Expected Harvest
80-90 days after planting
💡 Zone 10a Growing Tips
- • Growing season: 300-350 frost-free days
- • ⚠️ Season extension required - consider cold frames or hoop houses
- • Monitor soil temperature before transplanting (minimum 55-60°F for most crops)
⚠️ Zone 10a Challenges
⚠️Extreme summer heat
⚠️Hurricane risk in Florida
⚠️Drought in Southwest
✅ Best Plants for Zone 10a
✓Tropical fruits
✓Mangoes
✓Bananas
✓Year-round vegetables
❄️ Winter in Zone 10a
Very mild winters with rare light frost to 30°F-35°F.
☀️ Summer in Zone 10a
Hot summers. Nearly year-round growing season.
🔥 Heat Management for AHS Zone 9-12
This zone experiences 121 to 150 heat days per year with high heat stress.
🌡️Extensive mulching
🌡️Automated irrigation
🌡️Shade structures
🌡️Heat-tolerant varieties only
Source: American Horticultural Society
📊 Black from Tula Quick Facts
Days to Maturity
80-90
Difficulty
intermediate
Season
summer
Type
Heirloom
📍 View Black from Tula Guide for Other Zones
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