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Growing French Gray (Griselle) in Oregon
Allium cepa 'French Gray (Griselle)'
Marine to Semi-aridZones 4, 5, 6, 7, 8, 9150-280 day season
🏛️ Oregon Growing Overview
Climate
Marine to Semi-arid
Primary Zone
Zone 8
Last Frost Range
March 1 - June 15
First Frost Range
September 15 - November 30
Famous Oregon crops: Hazelnuts, Berries, Hops, Grass seed, Wine grapes
📍 Zone Suitability in Oregon
✓ 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.
Zone 7210 days
This variety matures in 90 days, well within Zone 7's 210-day growing season.
Zone 8240 days
This variety matures in 90 days, well within Zone 8's 240-day growing season.
Zone 9275 days
This variety matures in 90 days, well within Zone 9's 275-day growing season.
⚠️ Oregon Growing Challenges
⚠️Rain (west)
⚠️Drought (east)
⚠️Slugs
⚠️Cool summers (coast)
✓ Oregon Growing Advantages
✓Mild climate (west)
✓Low humidity
✓Diverse growing regions
📊 French Gray (Griselle) Quick Facts
Days to Maturity
90-120
Difficulty
intermediate
Season
summer
Type
OP
🎓 Oregon Extension Resources
For local, research-based growing information, visit your state's Cooperative Extension Service:
Visit Oregon Extension →📍 View French Gray (Griselle) Guide for Other States
🌱 Other Onion Varieties for Oregon
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