✓

Growing Long Island Improved in Zone 11a

Brassica oleracea

✓ Well Suited for Zone 11a
Score: 100/100

🌡️ USDA Hardiness Zone 11a

Tropical

USDA 2023 Verified
Growing Season
365-365 days
Winter Minimum
40°F to 45°F
(4.4°C to 7.2°C)
Last Spring Frost
January 1
50% probability
First Fall Frost
December 31
50% probability
AHS Heat Zone 10-12
151 to 180 heat days per year • Very High heat stress

Typical regions: Miami FL, Florida Keys, Hawaii lowlands

📊 Data Source:
USDA Plant Hardiness Zone Map 2023 • Frost dates from NOAA station USW00012839 • Last verified: 1/22/2026

✓ Zone Compatibility Analysis

high confidence

Excellent 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 11a Planting Calendar for Long Island Improved

Based on NOAA climate normals for Zone 11a. Dates show 50% probability (average year).

🌱 Start Seeds Indoors
March 12
✓ Database-computed optimal date
🪴 Transplant Outdoors
April 30
✓ Database-computed optimal date
🌾 Direct Sow (Alternative)
2 weeks after January 1
For warm-season crops
🥕 Expected Harvest
August 13
Complete before December 31

💡 Zone 11a 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 11a Challenges

⚠️Hurricane risk
⚠️Salt spray
⚠️Extreme humidity

✅ Best Plants for Zone 11a

✓Tropical fruits
✓Coconuts
✓Papayas
✓Tropical flowers

❄️ Winter in Zone 11a

Frost-free year-round. Minimum temperatures 40°F-45°F.

☀️ Summer in Zone 11a

Hot, humid summers. Year-round growing season.

🔥 Heat Management for AHS Zone 10-12

This zone experiences 151 to 180 heat days per year with very high heat stress.

🌡️Intensive mulching
🌡️Drip irrigation with timers
🌡️Shade structures required
🌡️Desert-adapted varieties

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

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

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