nut variety in zone 7a
Sparks 127 black walnut in zone 7a
Sparks 127 · Juglans nigra
- Zone
- 7a 0°F to 5°F
- Growing season
- 210 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 Sparks 127
Bold, classic black-walnut flavor, medium kernels; baking. Compact tree (40-50 ft mature) suitable for smaller landscapes where standard black walnut would dominate.
Critical timing for zone 7a
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 7a
- ▸ Cedar-apple rust
- ▸ Brown rot
- ▸ Fire blight
- ▸ High humidity disease pressure
Modified care for zone 7a
Detailed guidance for this section is being prepared. Check back soon.
Sparks 127 in adjacent zones
Other black walnut varieties for zone 7a
- Emma K
Bold, intensely flavored, very large kernels; baking and shelling. High kernel-to-shell ratio for a black waln…
- Sparrow
Bold, rich black-walnut flavor; baking and confections. Early-ripening selection that finishes before first fr…
- Thomas
Bold, intense, distinctively earthy black-walnut flavor; baking (cookies, cakes, ice cream), fudge. The herita…
Frequently asked questions
- Will Sparks 127 black walnut grow in zone 7a?
Yes. Sparks 127 is recommended for USDA zones 5a through 7a, which includes zone 7a.
- Are there enough chill hours in zone 7a?
Black Walnut needs 700 to 1500 chill hours. Zone 7a 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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