How to grow Kohl Rabi

Brassica oleracea (Gongylodes Group)

Kohlrabi is a host plant for the white cabbage butterfly and cabbage loopers. If these are common in your area, they can be controlled by hand-picking and applications of the organic bio-control Bacillus thuringiensis. Other non-organic options are also available.

Fall-sown kohlrabi that overwinters will produce seed in the spring. Kohlrabi is self-incompatible and subject to genetic depression. Seed saving requires large numbers of plants, generally 30 or more. Kohlrabi will cross with other members of Brassica oleracea, such as kale, cabbage, broccoli, garden cress, and so on.

How long does Kohl rabi take to grow?

These estimates for how long Kohl rabi takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.

Days to Germination How long does it take Kohl rabi to germinate?
7 days

Average 7 days | Min 2 days | Max 21 days (145)

Days to Transplant How long until I can plant out Kohl rabi?
+ 18 days

Average 18 days | Min 6 days | Max 43 days (13)

Days to Maturity How long until Kohl rabi is ready for harvest / bloom?
+ 84 days

Average 84 days | Min 24 days | Max 178 days (108)

Total Growing Days How long does it take to grow Kohl rabi?
= 109 days

When should I plant Kohl rabi?

Our when to plant Kohl rabi estimates are relative to your last frost date.

When to sow The number of days to sow Kohl rabi before or after your last frost date.
35 days before Last Frost Date

Kohl rabi Etymology

The name comes from the German Kohl (which means “cabbage”) plus RÃbe / Rabi (which means “turnip”)

Kohl rabi Folklore & Trivia

Kohlrabi was developed in the 1500s in Europe.

Other names for Kohl rabi

Kohlrabi

Brassica oleracea var. gongylodes, Brassica oleracea gongylodes

Misspellings: kolrabi, Kol Rabi, Kohl Rabbi, Kholrabi, Brasica eraceaol

Footnotes


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