✓
Growing Long Island Improved in Zone 11b
Brassica oleracea
✓ Well Suited for Zone 11b
Score: 100/100
🌡️ USDA Hardiness Zone 11b
Tropical
USDA 2023 Verified
Growing Season
365-365 days
Winter Minimum
45°F to 50°F
(7.2°C to 10.0°C)
AHS Heat Zone 11-12
181 to 210 heat days per year • Extreme heat stress
Typical regions: Florida Keys, Hawaii, Puerto Rico lowlands
📊 Data Source:
USDA Plant Hardiness Zone Map 2023 • Last verified: 1/22/2026
✓ Zone Compatibility Analysis
high confidenceExcellent match: 105 days to maturity with 260 days buffer in 365-day season.
Recommendation: Direct sowing and transplanting both viable. Excellent fit for this zone.
💾 Suitability computed by Solara Agricultural Intelligence Platform
📅 Zone 11b Planting Calendar for Long Island Improved
🌱 Start Seeds Indoors
March 12
✓ Database-computed optimal date
🪴 Transplant Outdoors
April 30
✓ Database-computed optimal date
🌾 Direct Sow (Alternative)
2 weeks after last frost
For warm-season crops
🥕 Expected Harvest
August 13
💡 Zone 11b Growing Tips
- • Growing season: 365-365 frost-free days
- • Excellent match for this zone - both direct sowing and transplanting work well
- • Monitor soil temperature before transplanting (minimum 55-60°F for most crops)
⚠️ Zone 11b Challenges
⚠️Hurricane risk
⚠️Salt spray
⚠️Extreme humidity
⚠️Tropical pests
✅ Best Plants for Zone 11b
✓Tropical fruits
✓Coconuts
✓Cacao
✓Tropical orchids
❄️ Winter in Zone 11b
Frost-free year-round. Minimum temperatures 45°F-50°F.
☀️ Summer in Zone 11b
Hot, humid summers. Year-round growing season.
🔥 Heat Management for AHS Zone 11-12
This zone experiences 181 to 210 heat days per year with extreme heat stress.
🌡️Intensive cooling measures
🌡️Automated misting
🌡️Heat-tolerant tropical varieties
🌡️Seasonal planting only
Source: American Horticultural Society
📊 Long Island Improved Quick Facts
Days to Maturity
90-120
Difficulty
intermediate
Season
summer
Type
OP
📍 View Long Island Improved Guide for Other Zones
Free Zone 11b Planting Calendar
Get Long Island Improved planting dates, frost alerts, and succession timing for your zone — delivered to your inbox.
Get Personalized Long Island Improved Planting Dates
Enter your exact location for custom frost dates, planting windows, and harvest predictions tailored to your microclimate.
Try Solara Free →