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Growing Evergreen Hardy White in Zone 2a
Allium cepa
✓ Well Suited for Zone 2a
Score: 90/100
🌡️ USDA Hardiness Zone 2a
Subarctic
USDA 2023 Verified
Growing Season
60-90 days
Winter Minimum
-50°F to -45°F
(-45.6°C to -42.8°C)
AHS Heat Zone 1-2
Less than 1 heat day per year • Minimal heat stress
Typical regions: Central Alaska, Northern Minnesota border
📊 Data Source:
USDA Plant Hardiness Zone Map 2023 • Last verified: 1/22/2026
✓ Zone Compatibility Analysis
high confidenceGood match: 70 days to maturity fits 90-day season with 20 days buffer.
Recommendation: Start seeds indoors for best results. Can also direct sow after last frost.
💾 Suitability computed by Solara Agricultural Intelligence Platform
📅 Zone 2a Planting Calendar for Evergreen Hardy White
🌱 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
July 9
💡 Zone 2a Growing Tips
- • Growing season: 60-90 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 2a Challenges
⚠️Extreme cold
⚠️Short growing season
⚠️Late spring frosts
⚠️Early fall frosts
✅ Best Plants for Zone 2a
✓Hardy vegetables
✓Cold-tolerant perennials
✓Native shrubs
❄️ Winter in Zone 2a
Severe winters with extended periods below -40°F.
☀️ Summer in Zone 2a
Short, cool summers with long daylight hours.
🔥 Heat Management for AHS Zone 1-2
This zone experiences less than 1 heat day per year with minimal heat stress.
🌡️No heat protection needed
🌡️Focus on cold hardiness
Source: American Horticultural Society
📊 Evergreen Hardy White Quick Facts
Days to Maturity
60-80
Difficulty
intermediate
Season
summer
Type
OP
📍 View Evergreen Hardy White Guide for Other Zones
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