berry variety in zone 7b
Joan J red raspberry in zone 7b
Joan J · Rubus idaeus
- Zone
- 7b 5°F to 10°F
- Growing season
- 220 days
- Chill needed
- 800 to 1600 below 45°F
- Days to harvest
- 30 to 50
The verdict
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About Joan J
Sweet, large, dark red berries with rich flavor; fresh eating premium. Spineless everbearing, easy to harvest, productive fall crop.
Critical timing for zone 7b
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Common challenges in zone 7b
- ▸ Cedar-apple rust pressure heavy in piedmont
- ▸ Japanese beetles
- ▸ Brown marmorated stink bug
- ▸ Late summer disease pressure
Modified care for zone 7b
Detailed guidance for this section is being prepared. Check back soon.
Joan J in adjacent zones
Other red raspberry varieties for zone 7b
Frequently asked questions
- Will Joan J red raspberry grow in zone 7b?
Yes. Joan J is recommended for USDA zones 5a through 7b, which includes zone 7b.
- Are there enough chill hours in zone 7b?
Red Raspberry needs 800 to 1600 chill hours. Zone 7b typically meets this range; check local microclimate against historical chill totals to confirm.
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Image: "American red raspberry", by Lauren Markewicz, via iNaturalist, licensed under CC-BY Source.
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