?
Growing Concept in Zone 11a
Lactuca sativa
Varies for Zone 11a
🌡️ 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
💾 Suitability computed by Solara Agricultural Intelligence Platform
📅 Zone 11a Planting Calendar for Concept
Based on NOAA climate normals for Zone 11a. Dates show 50% probability (average year).
🌱 Start Seeds Indoors
6-8 weeks before January 1
Approximately late winter to early spring
🪴 Transplant Outdoors
After January 1
When soil reaches 60°F+
🌾 Direct Sow (Alternative)
2 weeks after January 1
For warm-season crops
🥕 Expected Harvest
48-58 days after planting
Complete before December 31
💡 Zone 11a Growing Tips
- • Growing season: 365-365 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 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
📊 Concept Quick Facts
Days to Maturity
48-58
Difficulty
beginner
Season
spring
Type
F1
📍 View Concept Guide for Other Zones
Free Zone 11a Planting Calendar
Get Concept planting dates, frost alerts, and succession timing for your zone — delivered to your inbox.
Get Personalized Concept Planting Dates
Enter your exact location for custom frost dates, planting windows, and harvest predictions tailored to your microclimate.
Try Solara Free →