?
Growing Mountain Fresh Plus in Zone 8a
Solanum lycopersicum
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 Mountain Fresh Plus
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
77-87 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
📊 Mountain Fresh Plus Quick Facts
Days to Maturity
77-87
Difficulty
beginner
Season
summer
Type
F1
📍 View Mountain Fresh Plus Guide for Other Zones
Free Zone 8a Planting Calendar
Get Mountain Fresh Plus planting dates, frost alerts, and succession timing for your zone — delivered to your inbox.
Get Personalized Mountain Fresh Plus Planting Dates
Enter your exact location for custom frost dates, planting windows, and harvest predictions tailored to your microclimate.
Try Solara Free →