Kohlrabi (Brassica oleracea Gongylodes group)
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Kohlrabi (Brassica oleracea Gongylodes Group) is a low, stout cultivar of the cabbage that will grow almost anywhere. It has been selected for its swollen, nearly spherical, Sputnik-like shape. The name comes from the German Kohl (“cabbage”) plus Rübe ~ Rabi (“turnip”), because the swollen stem resembles the latter. Kohlrabi has been created by artificial selection for lateral meristem growth; its origin in nature is the same as that of cabbage, broccoli, cauliflower, and brussels sprouts: They are all bred from, and are the same species as, the wild cabbage plant (Brassica oleracea).
The taste and texture of kohlrabi are similar to those of a broccoli stem or cabbage heart, but milder and sweeter, with a higher ratio of flesh to skin. The young stem in particular can be as crisp and juicy as an apple, although much less sweet. Except for the Gigante cultivar, spring-grown kohlrabi much over 5 cm in size tend to be woody, as do fall-grown kohlrabi much over perhaps 10 cm in size; the Gigante cultivar can achieve great size while remaining of good eating quality.
Kohlrabi can be eaten raw as well as cooked.
There are several varieties commonly available, including White Vienna, Purple Vienna, Grand Duke, Gigante (also known as “Superschmeltz”), Purple Danube, and White Danube. Coloration of the purple types is superficial: the edible parts are all pale yellow.
Hamburg Township, Michigan, USA, has titled itself the “Kohlrabi Capital of the World” and at one time had a kohlrabi festival which drew 600 people at its peak in 1985. [1]
Some varieties are grown as feed for cattle.