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Growing Bush Early Girl in Zone 3a

Solanum lycopersicum

Varies for Zone 3a
F1 Hybrid

🌡️ USDA Hardiness Zone 3a

Cold Continental

USDA 2023 Verified
Growing Season
90-120 days
Winter Minimum
-40°F to -35°F
(-40.0°C to -37.2°C)
Last Spring Frost
May 20
50% probability
First Fall Frost
September 12
50% probability
AHS Heat Zone 1-3
Less than 1 heat day per year • Minimal heat stress

Typical regions: Northern Minnesota, Northern Wisconsin, Montana mountains, Fairbanks AK

📊 Data Source:
USDA Plant Hardiness Zone Map 2023 • Frost dates from NOAA station USW00026411 • Last verified: 1/22/2026

📊 Zone Compatibility Analysis

💾 Suitability computed by Solara Agricultural Intelligence Platform

📅 Zone 3a Planting Calendar for Bush Early Girl

Based on NOAA climate normals for Zone 3a. Dates show 50% probability (average year).

🌱 Start Seeds Indoors
6-8 weeks before May 20
Approximately late winter to early spring
🪴 Transplant Outdoors
After May 20
When soil reaches 60°F+
🌾 Direct Sow (Alternative)
2 weeks after May 20
For warm-season crops
🥕 Expected Harvest
54-64 days after planting
Complete before September 12

💡 Zone 3a Growing Tips

  • • Growing season: 90-120 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 3a Challenges

⚠️Very cold winters
⚠️Short growing season
⚠️Late spring frosts

✅ Best Plants for Zone 3a

✓Hardy perennials
✓Root vegetables
✓Cold-tolerant fruit trees

❄️ Winter in Zone 3a

Very cold winters with temperatures occasionally reaching -40°F.

☀️ Summer in Zone 3a

Moderate summers with adequate growing conditions for hardy crops.

🔥 Heat Management for AHS Zone 1-3

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

📊 Bush Early Girl Quick Facts

Days to Maturity
54-64
Difficulty
beginner
Season
summer
Type
F1

📍 View Bush Early Girl Guide for Other Zones

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

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