ZonePlant
Jefferson hazelnut

nut variety in zone 8a

Jefferson hazelnut in zone 8a

Jefferson · Corylus species and hybrids

Zone
8a 10°F to 15°F
Growing season
240 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 8a

Detailed guidance for this section is being prepared. Check back soon.

Common challenges in zone 8a

  • Insufficient chill hours for some apple varieties
  • Pierce's disease in grapes
  • Heat stress on cool-season crops

Disease resistance

Documented resistance for Jefferson; useful for low-spray management in zone 8a.

  • eastern-filbert-blight

Modified care for zone 8a

Detailed guidance for this section is being prepared. Check back soon.

Jefferson in adjacent zones

Frequently asked questions

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Will Jefferson hazelnut grow in zone 8a?

Yes. Jefferson is recommended for USDA zones 5a through 8a, which includes zone 8a.

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Are there enough chill hours in zone 8a?

Hazelnut needs 800 to 1500 chill hours. Zone 8a typically meets this range; check local microclimate against historical chill totals to confirm.

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Does Jefferson resist regional diseases in zone 8a?

Jefferson carries documented resistance to eastern-filbert-blight, which can simplify low-spray management in zone 8a.

Image: "Hazelnuts", by Fir0002 at English Wikipedia, via Wikimedia Commons, licensed under CC-BY Source.

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