vegetable variety
Redbor
Kale · Brassica oleracea var. acephala
USDA hardiness range
- Zones
- 4a–8a
- Days to harvest
- 50 to 75
- Sun
- Full
- Water
- Moderate
- Lifespan
- biennial grown as annual
At a glance
Mild, sweet, deep purple-red curly leaves that intensify in color with cold. Salads, ornamental edible plantings. Hardy, ornamental, slow to bolt.
Growing Redbor
Detailed guidance for this section is being prepared. Check back soon.
Flavor, texture, and use
Detailed guidance for this section is being prepared. Check back soon.
Growing notes
Detailed guidance for this section is being prepared. Check back soon.
Redbor by zone
Zone-specific suitability, frost timing, and adjacent-zone notes.
Other kale varieties
3 sibling cultivars profiled on ZonePlant.
- 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
- What zones does the Redbor kale grow in?
Redbor grows in USDA zones 4a through 8a.
- How does Redbor compare to other kale varieties?
Redbor is one of 4 kale varieties profiled on ZonePlant. See the full kale variety table for side-by-side comparison.
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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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