nut variety in zone 6a
Sparrow black walnut in zone 6a
Sparrow · Juglans nigra
- Zone
- 6a -10°F to -5°F
- Growing season
- 180 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 6a
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 6a
- ▸ Brown rot in stone fruit
- ▸ Japanese beetles
- ▸ Spring frost damage to peach buds
Modified care for zone 6a
Detailed guidance for this section is being prepared. Check back soon.
Sparrow in adjacent zones
Other black walnut varieties for zone 6a
- Emma K
Bold, intensely flavored, very large kernels; baking and shelling. High kernel-to-shell ratio for a black waln…
- Sparks 127
Bold, classic black-walnut flavor, medium kernels; baking. Compact tree (40-50 ft mature) suitable for smaller…
- Thomas
Bold, intense, distinctively earthy black-walnut flavor; baking (cookies, cakes, ice cream), fudge. The herita…
Frequently asked questions
- Will Sparrow black walnut grow in zone 6a?
Yes. Sparrow is recommended for USDA zones 5a through 7a, which includes zone 6a.
- Are there enough chill hours in zone 6a?
Black Walnut needs 700 to 1500 chill hours. Zone 6a typically meets this range; check local microclimate against historical chill totals to confirm.
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Image: "Juglans nigra nuts", by Gmihail at Serbian Wikipedia, via Wikimedia Commons, licensed under CC-BY Source.
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