ZonePlant
Triple Crown blackberry

berry variety in zone 7a

Triple Crown blackberry in zone 7a

Triple Crown · Rubus subgenus Rubus

Zone
7a 0°F to 5°F
Growing season
210 days
Chill needed
200 to 800 below 45°F
Days to harvest
60 to 90

The verdict

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

About Triple Crown

Sweet, large, glossy black berries with rich balanced flavor; fresh, baking, jam. Semi-erect thornless, very productive. Outstanding home-garden choice.

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.

Triple Crown in adjacent zones

Other blackberry varieties for zone 7a

Frequently asked questions

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Will Triple Crown blackberry grow in zone 7a?

Yes. Triple Crown is recommended for USDA zones 6a through 8a, which includes zone 7a.

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Are there enough chill hours in zone 7a?

Blackberry needs 200 to 800 chill hours. Zone 7a typically meets this range; check local microclimate against historical chill totals to confirm.

Image: "Ripe, ripening, and green blackberries", by Ragesoss, via Wikimedia Commons, licensed under CC-BY-SA 3.0 Source.

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