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Growing French Gray (Griselle) in Michigan

Allium cepa 'French Gray (Griselle)'

Humid Continental (Lake Effect)Zones 4, 5, 6130-180 day season

🏛️ Michigan Growing Overview

Climate
Humid Continental (Lake Effect)
Primary Zone
Zone 5
Last Frost Range
April 20 - May 30
First Frost Range
September 20 - October 20
Famous Michigan crops: Tart cherries, Blueberries, Apples, Asparagus, Dry beans

📍 Zone Suitability in Michigan

✓ Best Zones for French Gray (Griselle)

Zone 4135 days

This variety matures in 90 days, well within Zone 4's 135-day growing season.

Zone 5160 days

This variety matures in 90 days, well within Zone 5's 160-day growing season.

Zone 6185 days

This variety matures in 90 days, well within Zone 6's 185-day growing season.

⚠️ Michigan Growing Challenges

⚠️Lake effect weather
⚠️Late spring
⚠️Short season (north)
⚠️Cherry diseases

✓ Michigan Growing Advantages

✓Lake moderation for fruit
✓Excellent fruit region
✓Good water resources

📊 French Gray (Griselle) Quick Facts

Days to Maturity
90-120
Difficulty
intermediate
Season
summer
Type
OP

🎓 Michigan Extension Resources

For local, research-based growing information, visit your state's Cooperative Extension Service:

Visit Michigan Extension →

📍 View French Gray (Griselle) Guide for Other States

CaliforniaTexasFloridaNew YorkPennsylvaniaOhioGeorgiaNorth CarolinaMichiganIllinoisWashingtonOregon

🌱 Other Onion Varieties for Michigan

Ailsa Craig
105-125 days
Ambition (F1)
90-120 days
Cipollini Red
80-95 days
Cipollini Yellow
80-95 days
Conservor (F1)
90-120 days
Copra
104-114 days

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