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Growing Aunt Ruby's German Green in Zone 2a
Solanum lycopersicum
Varies for Zone 2a
🌡️ 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
💾 Suitability computed by Solara Agricultural Intelligence Platform
📅 Zone 2a Planting Calendar for Aunt Ruby's German Green
🌱 Start Seeds Indoors
6-8 weeks before last frost
Approximately late winter to early spring
🪴 Transplant Outdoors
After last frost
When soil reaches 60°F+
🌾 Direct Sow (Alternative)
2 weeks after last frost
For warm-season crops
🥕 Expected Harvest
80-90 days after planting
💡 Zone 2a Growing Tips
- • Growing season: 60-90 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 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
📊 Aunt Ruby's German Green Quick Facts
Days to Maturity
80-90
Difficulty
intermediate
Season
summer
Type
Heirloom
📍 View Aunt Ruby's German Green Guide for Other Zones
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