Growing Vidalia in Colorado
Allium cepa 'Vidalia'
🏛️ Colorado Growing Overview
📍 Zone Suitability in Colorado
✓ Best Zones for Vidalia
⚠️ Challenging Zones
This variety needs 170 days, but Zone 3 only has 120 frost-free days.
Use season extension (cold frames, row covers) to gain 50+ days, or choose an earlier-maturing variety.
This variety needs 170 days, but Zone 4 only has 135 frost-free days.
Use season extension (cold frames, row covers) to gain 35+ days, or choose an earlier-maturing variety.
This variety needs 170 days, but Zone 5 only has 160 frost-free days.
Use season extension (cold frames, row covers) to gain 10+ days, or choose an earlier-maturing variety.
⚠️ Colorado Growing Challenges
✓ Colorado Growing Advantages
📊 Vidalia Quick Facts
🎓 Colorado Extension Resources
For local, research-based growing information, visit your state's Cooperative Extension Service:
Visit Colorado Extension →📍 View Vidalia Guide for Other States
🌱 Other Onion Varieties for Colorado
Get Your Colorado Planting Calendar
Enter your Colorado address for exact frost dates, personalized planting windows, and harvest predictions for Vidalia.
Try Solara Free →