vegetable variety in zone 4b
Redbor kale in zone 4b
Redbor · Brassica oleracea var. acephala
- Zone
- 4b -25°F to -20°F
- Growing season
- 130 days
- Days to harvest
- 50 to 75
The verdict
Detailed guidance for this section is being prepared. Check back soon.
About Redbor
Mild, sweet, deep purple-red curly leaves that intensify in color with cold. Salads, ornamental edible plantings. Hardy, ornamental, slow to bolt.
Critical timing for zone 4b
Detailed guidance for this section is being prepared. Check back soon.
Common challenges in zone 4b
- ▸ Spring frost timing
- ▸ Apple scab pressure
- ▸ Cane berry winter dieback
Modified care for zone 4b
Detailed guidance for this section is being prepared. Check back soon.
Redbor in adjacent zones
Other kale varieties for zone 4b
- Curly Vates
Strong, slightly bitter, the classic curly-leaf kale; deep frilled leaves. Soups, smoothies, kale chips, saute…
- Lacinato
Earthy, sweet after frost, tender enough for salads; long blue-green dimpled strap leaves. Italian Tuscan clas…
- Red Russian
Mild, tender, red-purple veins on flat oak-leaf shape; the most salad-friendly kale. Salads, sauteing, smoothi…
Frequently asked questions
- Will Redbor kale grow in zone 4b?
Yes. Redbor is recommended for USDA zones 4a through 8a, which includes zone 4b.
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Image: "Brassica oleracea var. acephala Redbor 0zz", by Photo by David J. Stang, via Wikimedia Commons, licensed under CC-BY Source.
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