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Growing French Gray (Griselle) in Pennsylvania

Allium cepa 'French Gray (Griselle)'

Humid ContinentalZones 5, 6, 7145-200 day season

🏛️ Pennsylvania Growing Overview

Climate
Humid Continental
Primary Zone
Zone 6
Last Frost Range
April 10 - May 20
First Frost Range
September 25 - November 1
Famous Pennsylvania crops: Mushrooms, Apples, Tomatoes, Sweet corn, Christmas trees

📍 Zone Suitability in Pennsylvania

✓ Best Zones for French Gray (Griselle)

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.

Zone 7210 days

This variety matures in 90 days, well within Zone 7's 210-day growing season.

⚠️ Pennsylvania Growing Challenges

⚠️Rocky soil
⚠️Deer pressure
⚠️Variable terrain
⚠️Spotted lanternfly

✓ Pennsylvania Growing Advantages

✓Good rainfall
✓Strong local markets
✓Diverse farming heritage

📊 French Gray (Griselle) Quick Facts

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

🎓 Pennsylvania Extension Resources

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

Visit Pennsylvania Extension →

📍 View French Gray (Griselle) Guide for Other States

CaliforniaTexasFloridaNew YorkPennsylvaniaOhioGeorgiaNorth CarolinaMichiganIllinoisWashingtonOregon

🌱 Other Onion Varieties for Pennsylvania

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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