berry variety in zone 5a
Joan J red raspberry in zone 5a
Joan J · Rubus idaeus
- Zone
- 5a -20°F to -15°F
- Growing season
- 150 days
- Chill needed
- 800 to 1600 below 45°F
- Days to harvest
- 30 to 50
The verdict
Detailed guidance for this section is being prepared. Check back soon.
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 5a
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 5a
- ▸ Fire blight in pears
- ▸ Cedar-apple rust
- ▸ Late spring frosts
Modified care for zone 5a
Detailed guidance for this section is being prepared. Check back soon.
Joan J in adjacent zones
Other red raspberry varieties for zone 5a
- Boyne
Sweet-tart, soft, classic raspberry flavor; fresh, jam, freezing. Summer-bearing, hardiest commercial red rasp…
- Caroline
Rich, sweet, intensely flavored, soft texture; fresh eating premium. Everbearing, productive in southern raspb…
- Heritage
Sweet-tart, classic raspberry flavor, medium-firm; fresh, jam, freezing. The everbearing standard, primary fal…
- Latham
Tart, firm, traditional flavor; fresh, processing, freezing. Old reliable summer-bearing variety, very cold-ha…
- Nova
Bright, sweet-tart, firm berries with clean flavor; fresh and processing. Summer-bearing, vigorous canes with …
Frequently asked questions
- Will Joan J red raspberry grow in zone 5a?
Yes. Joan J is recommended for USDA zones 5a through 7b, which includes zone 5a.
- Are there enough chill hours in zone 5a?
Red Raspberry needs 800 to 1600 chill hours. Zone 5a 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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