ZonePlant
Mac Black black raspberry

berry variety in zone 6b

Mac Black black raspberry in zone 6b

Mac Black · Rubus occidentalis

Zone
6b -5°F to 0°F
Growing season
190 days
Chill needed
700 to 1000 below 45°F
Days to harvest
30 to 50

The verdict

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About Mac Black

Sweet-tart, rich, complex; fresh, jam. Late-ripening summer bearer, extends the black raspberry harvest. Cold-hardy.

Critical timing for zone 6b

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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.

Mac Black in adjacent zones

Other black raspberry varieties for zone 6b

Frequently asked questions

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Will Mac Black black raspberry grow in zone 6b?

Yes. Mac Black is recommended for USDA zones 4a through 6b, which includes zone 6b.

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Are there enough chill hours in zone 6b?

Black Raspberry needs 700 to 1000 chill hours. Zone 6b typically meets this range; check local microclimate against historical chill totals to confirm.

Image: "Rubus occidentalis (35029818313)", by Karen Hine, via Wikimedia Commons, licensed under CC-BY Source.

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