ZonePlant
Redbor kale

vegetable variety in zone 4a

Redbor kale in zone 4a

Redbor · Brassica oleracea var. acephala

Zone
4a -30°F to -25°F
Growing season
120 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 4a

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

Common challenges in zone 4a

  • Late frosts damage early bloomers
  • Limited peach varieties

Modified care for zone 4a

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

Redbor in adjacent zones

Other kale varieties for zone 4a

Frequently asked questions

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Will Redbor kale grow in zone 4a?

Yes. Redbor is recommended for USDA zones 4a through 8a, which includes zone 4a.

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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