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Growing Parris Island Cos in Zone 8a
Lactuca sativa
Varies for Zone 8a
🌡️ USDA Hardiness Zone 8a
Mild/Subtropical Transition
USDA 2023 Verified
Growing Season
210-240 days
Winter Minimum
10°F to 15°F
(-12.2°C to -9.4°C)
Last Spring Frost
March 21
50% probability
First Fall Frost
November 21
50% probability
AHS Heat Zone 6-9
46 to 60 heat days per year • Moderate heat stress
Typical regions: Dallas TX, Atlanta GA, Coastal Oregon, Coastal Washington
📊 Data Source:
USDA Plant Hardiness Zone Map 2023 • Frost dates from NOAA station USW00013874 • Last verified: 1/22/2026
📊 Zone Compatibility Analysis
💾 Suitability computed by Solara Agricultural Intelligence Platform
📅 Zone 8a Planting Calendar for Parris Island Cos
Based on NOAA climate normals for Zone 8a. Dates show 50% probability (average year).
🌱 Start Seeds Indoors
6-8 weeks before March 21
Approximately late winter to early spring
🪴 Transplant Outdoors
After March 21
When soil reaches 60°F+
🌾 Direct Sow (Alternative)
2 weeks after March 21
For warm-season crops
🥕 Expected Harvest
68-78 days after planting
Complete before November 21
💡 Zone 8a Growing Tips
- • Growing season: 210-240 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 8a Challenges
⚠️Summer heat
⚠️Humidity in Southeast
⚠️Occasional hard freezes
✅ Best Plants for Zone 8a
✓Year-round vegetables
✓Citrus with protection
✓Camellias
✓Azaleas
❄️ Winter in Zone 8a
Mild winters with occasional freezes to 10°F-15°F.
☀️ Summer in Zone 8a
Hot summers, often humid. Extended growing season.
🔥 Heat Management for AHS Zone 6-9
This zone experiences 46 to 60 heat days per year with moderate heat stress.
🌡️Heavy mulching
🌡️Consistent irrigation
🌡️Shade cloth for sensitive crops
Source: American Horticultural Society
📊 Parris Island Cos Quick Facts
Days to Maturity
68-78
Difficulty
beginner
Season
spring
Type
Heirloom
📍 View Parris Island Cos Guide for Other Zones
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