ZonePlant
Dunstan chestnut

nut variety in zone 8a

Dunstan chestnut in zone 8a

Dunstan · Castanea species and hybrids

Zone
8a 10°F to 15°F
Growing season
240 days
Chill needed
400 to 700 below 45°F
Days to harvest
120 to 180

The verdict

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

About Dunstan

Sweet, starchy, classic roasted-chestnut flavor; roasting, soup, stuffing, flour. American x Chinese hybrid with strong blight resistance, the leading restoration cultivar in the eastern US. Productive young (3-5 years).

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 Dunstan; useful for low-spray management in zone 8a.

  • chestnut-blight

Modified care for zone 8a

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

Dunstan in adjacent zones

Other chestnut varieties for zone 8a

Frequently asked questions

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Will Dunstan chestnut grow in zone 8a?

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

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Are there enough chill hours in zone 8a?

Chestnut needs 400 to 700 chill hours. Zone 8a typically meets this range; check local microclimate against historical chill totals to confirm.

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Does Dunstan resist regional diseases in zone 8a?

Dunstan carries documented resistance to chestnut-blight, which can simplify low-spray management in zone 8a.

Image: "Gebarsten bolster van een paardenkastanje (Aesculus) 20-09-2020 (d.j.b.) 01", by Dominicus Johannes Bergsma, via Wikimedia Commons, licensed under CC-BY Source.

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