nut variety in zone 7b
Theta hazelnut in zone 7b
Theta · Corylus species and hybrids
- Zone
- 7b 5°F to 10°F
- Growing season
- 220 days
- Chill needed
- 800 to 1500 below 45°F
- Days to harvest
- 100 to 130
The verdict
Detailed guidance for this section is being prepared. Check back soon.
About Theta
Sweet, rich, large nuts with easy crack-out; baking and fresh. OSU pollinizer for Jefferson, EFB-resistant, productive in its own right.
Critical timing for zone 7b
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 7b
- ▸ Cedar-apple rust pressure heavy in piedmont
- ▸ Japanese beetles
- ▸ Brown marmorated stink bug
- ▸ Late summer disease pressure
Disease resistance
Documented resistance for Theta; useful for low-spray management in zone 7b.
- eastern-filbert-blight
Modified care for zone 7b
Detailed guidance for this section is being prepared. Check back soon.
Theta in adjacent zones
Other hazelnut varieties for zone 7b
Frequently asked questions
- Will Theta hazelnut grow in zone 7b?
Yes. Theta is recommended for USDA zones 5a through 7b, which includes zone 7b.
- Are there enough chill hours in zone 7b?
Hazelnut needs 800 to 1500 chill hours. Zone 7b typically meets this range; check local microclimate against historical chill totals to confirm.
- Does Theta resist regional diseases in zone 7b?
Theta carries documented resistance to eastern-filbert-blight, which can simplify low-spray management in zone 7b.
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Image: "Hazelnuts", by Fir0002 at English Wikipedia, via Wikimedia Commons, licensed under CC-BY Source.
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