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Growing Vidalia in Oregon

Allium cepa 'Vidalia'

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

⚠️ Challenging Zones

Zone 4135 days

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.

Zone 5160 days

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.

⚠️ Oregon Growing Challenges

⚠️Rain (west)
⚠️Drought (east)
⚠️Slugs
⚠️Cool summers (coast)

Oregon Growing Advantages

Mild climate (west)
Low humidity
Diverse growing regions

📊 Vidalia Quick Facts

Days to Maturity
170-190
Difficulty
intermediate
Season
fall
Type
Heirloom

🎓 Oregon Extension Resources

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

Visit Oregon Extension →

📍 View Vidalia Guide for Other States

🌱 Other Onion Varieties for Oregon

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