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Growing California Late in Iowa
Allium sativum 'California Late'
Humid ContinentalZones 4, 5145-175 day season
🏛️ Iowa Growing Overview
Climate
Humid Continental
Primary Zone
Zone 5
Last Frost Range
April 20 - May 15
First Frost Range
September 25 - October 15
Famous Iowa crops: Corn, Soybeans, Hogs, Sweet corn, Pumpkins
📍 Zone Suitability in Iowa
⚠️ Challenging Zones
Zone 4135 days
This variety needs 270 days, but Zone 4 only has 135 frost-free days.
Use season extension (cold frames, row covers) to gain 135+ days, or choose an earlier-maturing variety.
Zone 5160 days
This variety needs 270 days, but Zone 5 only has 160 frost-free days.
Use season extension (cold frames, row covers) to gain 110+ days, or choose an earlier-maturing variety.
⚠️ Iowa Growing Challenges
⚠️Flooding
⚠️Late spring
⚠️Corn/soybean pests
⚠️Variable weather
✓ Iowa Growing Advantages
✓World-class soil
✓Adequate rainfall
✓Cool nights enhance flavor
📊 California Late Quick Facts
Days to Maturity
270-300
Difficulty
beginner
Season
fall
Type
Heirloom
🎓 Iowa Extension Resources
For local, research-based growing information, visit your state's Cooperative Extension Service:
Visit Iowa Extension →📍 View California Late Guide for Other States
🌱 Other Garlic Varieties for Iowa
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