🌱
Growing French Gray (Griselle) in Washington
Allium cepa 'French Gray (Griselle)'
Marine to Semi-aridZones 4, 5, 6, 7, 8, 9130-260 day season
🏛️ Washington Growing Overview
Climate
Marine to Semi-arid
Primary Zone
Zone 8
Last Frost Range
March 15 - June 1
First Frost Range
September 15 - November 15
Famous Washington crops: Apples, Cherries, Hops, Potatoes, Wheat, Wine grapes
📍 Zone Suitability in Washington
✓ 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.
⚠️ Washington Growing Challenges
⚠️Rain (west)
⚠️Dry/irrigation needed (east)
⚠️Slugs
⚠️Cool summers (west)
✓ Washington Growing Advantages
✓Irrigation infrastructure (east)
✓Mild climate (west)
✓Long summer days
📊 French Gray (Griselle) Quick Facts
Days to Maturity
90-120
Difficulty
intermediate
Season
summer
Type
OP
🎓 Washington Extension Resources
For local, research-based growing information, visit your state's Cooperative Extension Service:
Visit Washington Extension →📍 View French Gray (Griselle) Guide for Other States
🌱 Other Onion Varieties for Washington
Get Your Washington Planting Calendar
Enter your Washington address for exact frost dates, personalized planting windows, and harvest predictions for French Gray (Griselle).
Try Solara Free →