nut variety in zone 7b
Jefferson hazelnut in zone 7b
Jefferson · 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 Jefferson
Sweet, rich, buttery; fresh, baking, confections, butter. Large round nuts. The Oregon State release that resists Eastern Filbert Blight, the standard for new commercial plantings. Pair with Eta or Theta as pollinizer.
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 Jefferson; 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.
Jefferson in adjacent zones
Other hazelnut varieties for zone 7b
Frequently asked questions
- Will Jefferson hazelnut grow in zone 7b?
Yes. Jefferson is recommended for USDA zones 5a through 8a, 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 Jefferson resist regional diseases in zone 7b?
Jefferson 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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