ZonePlant
Sparrow black walnut

nut variety in zone 6b

Sparrow black walnut in zone 6b

Sparrow · Juglans nigra

Zone
6b -5°F to 0°F
Growing season
190 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 Sparrow

Bold, rich black-walnut flavor; baking and confections. Early-ripening selection that finishes before first frost in zones 5-6. Cracks easier than most black walnuts.

Critical timing for zone 6b

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

Common challenges in zone 6b

  • Cedar-apple rust
  • Fire blight
  • Stink bugs

Modified care for zone 6b

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

Sparrow in adjacent zones

Other black walnut varieties for zone 6b

Frequently asked questions

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Will Sparrow black walnut grow in zone 6b?

Yes. Sparrow is recommended for USDA zones 5a through 7a, which includes zone 6b.

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Are there enough chill hours in zone 6b?

Black Walnut needs 700 to 1500 chill hours. Zone 6b 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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