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Kossack Kohlrabi (F1 Hybrid, 60 Days)

This giant kohlrabi can reach the size of a bowling ball, & still remain quite tender. Skin is light green with white sweet flesh. Leaves can be eaten like collard greens. Will store a month or more in the refrigerator or root cellar. 

40 seeds

PLANTING

Brassica oleracea var. gongylodes

Germination: 7-10 days

Germination Temperature: Optimum soil temperatures 60-75ºF. 

Seed Sowing Depth: 1/4" deep

Sowing Outdoors: Starting in spring when soil temperature reaches 60 ºF. Sow seeds 1-2" apart, thin 3-8” apart. The larger the bulb size the more space. Sow in mid to late summer for fall harvest.

How much does a packet plant: 4-6 foot single row

Harvest: Bulbs from spring plantings under 2-3” for the most tender and sweet bulbs. Fall plantings can survive frosts and can be harvested when they are larger.

Tips: Plant in fertile soil, amend with compost before planting if needed. Grows best in the cooler weather of spring and late summer. Summer heat makes the bulbs woody and dry. Adequate moisture is needed for optimum growth. 

Customer Reviews

4.5 Based on 2 Reviews
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N
02/04/2019
Nathan

Kossak!

If you are new to kohlrabi, choose Kossak! Other 'early' kohlrabi get hard and woody if you wait too long, so if you're growing this for the the first time, I recommend this variety to give yourself some leeway. If you can't grow cabbage in your area, this is the next best thing!

C
03/12/2017
CAC

good stuff

best flavor and texture no matter the growing conditions, sometimes takes a little longer to get huge.