How to plant kohlrabi

Brassica oleracea Gongylodes Group or Brassica oleracea gongylodes variety

Kohlrabi are a group of cabbage cultivars in which the stem thickens. These are harvested when they are still tender, being consumed mainly cooked. There are cultivars with white (light green) and purple stems.


Kohlrabi is a mild or cold climate vegetable, growing best at temperatures between 18 ° C and 25 ° C. The plant can withstand low temperatures, but it can also flower early if the temperature falls below 10 ° C.


Kohlrabi needs good light, with direct sunlight for at least a few hours a day.


Plant in well-drained, fertile soil, rich in organic matter. The ideal soil pH is between 6.5 and 7.5.


The vegetable garden must be irrigated in order to keep the soil moist, without being soaked. Kohlrabi, when well developed, is more tolerant of lack of water than other cabbages.


Sow the seeds directly at the final location in the garden. They can also be sown in seedlings and transplanted when the seedlings are 3 cm to a maximum of 5 cm in height, with two definitive leaves. However, kohlrabi seedlings are very sensitive to transplantation, so care needs to be taken when handling them and transplanting preferably in the late afternoon or on cloudy days.

Kohlrabi can also be easily grown in pots and planters.


Invasive herbs should be removed carefully so as not to damage the kohlrabi roots, as the root system is relatively shallow.


The harvest of kohlrabi or turnip greens occurs 40 to 65 days after sowing, varying according to the cultivar planted and the cultivation conditions. Kohlrabi leaves can also be consumed.

Harvesting of traditional cultivars must be carried out before the globular stems exceed about 8 cm in diameter, as they start to become woody when they grow above this size. Some modern cultivars remain tender when they get bigger.

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