Krazy for Kohlrabi!

Kohlrabi is a forgotten gem.  With the resurgence in interest in heirloom and other older vegetables kohlrabi may be poised for a comeback.  Look at how kale is the current trendy food when not too long ago it was eaten only because it was cheap and easy to grow.

Kohlrabi is the royal cabbage.  While it looks like a root vegetable, it is actually the stem of the plant you eat.  The name comes from the German for Cabbage Turnip.  When you look at kohlrabi (especially the purple varieties) you can see how it looks a bit like a turnip.  However, it is a member of the Brassica family.  Just like cabbage, broccoli, cauliflower, and brussel sprouts it has been selected by man for the characteristic of the bulging stem.

Looks Like a Turnip Tastes Like Broccoli

I am currently growing them using a flood and drain grow bed, deep water culture rafts, and nutrient film technique tubes.  Much to my surprise they are growing best with NFT.  I really thought they would excel in the grow beds and that they would be too top heavy for rafts or tubes. 

They do lean in DWC rafts and for some reason their bulb becomes elongated.  Doesnt change the taste but if you are growing for looks, well it looks odd. 

Leaning Tower of Kolhrabi

If you are growing for looks, you probably arent growing kohlrabi to begin with because well
                     it is an odd looking veggie.
                                                                 Isnt it?

Kohlrabi can be eaten raw or cooked.  The taste is like the stem of the broccoli with a little bite of radish thrown in for a kick.  The smaller the "bulb" the more tender it is.  No matter the size, you certainly want to peel it before you eat it cooked or raw.  It has a very tough outer skin.

It is used in Asian and German cooking.  I prefer it cooked, but that is probably because that is how my Mom cooked it. 

If you look on the internet, you will find recipes for cooking the bulb and leaves.  Ive never eaten the leaves....I was taught incorrectly that the stems and leaves were toxic to humans.  As an adult, I realize my Dad probably just said that because he didnt like the leaves. 

If you want to try it for yourself, it is very easy to grow in soil or in an aquaponic garden.  It likes cooler temperatures so you can direct sow seeds outdoors 4 to 6 weeks before your last frost.  So get them in the ground soon! They like a pH in the 6s and they need water to develop that fleshy stem.  If you grow in soil, beware that they have shallow roots.  Keep them well mulched if using soil. I havent had a problem with cabbage worms but I did have to spray for aphids with my pepper/garlic spray (read about that here) on one set of tubes.  If using aquaponics, give them a try in NFT tubes.  Ive been getting great results in both small and large tubes.

Are you krazy as I am for kohlrabi?

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