ZonePlant
Thomas black walnut

nut variety in zone 8a

Thomas black walnut in zone 8a

Thomas · Juglans nigra

Zone
8a 10°F to 15°F
Growing season
240 days
Chill needed
700 to 1500 below 45°F
Days to harvest
150 to 200

The verdict

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

About Thomas

Bold, intense, distinctively earthy black-walnut flavor; baking (cookies, cakes, ice cream), fudge. The heritage productive variety, large nuts with thicker shells than English walnut. Self-fertile but better with a partner.

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

Modified care for zone 8a

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

Thomas in adjacent zones

Frequently asked questions

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Will Thomas black walnut grow in zone 8a?

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

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Are there enough chill hours in zone 8a?

Black Walnut needs 700 to 1500 chill hours. Zone 8a typically meets this range; check local microclimate against historical chill totals to confirm.

Image: "Juglans nigra nuts", by Gmihail at Serbian Wikipedia, via Wikimedia Commons, licensed under CC-BY Source.

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