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Kossak Kohlrabi KO7-50
A President's Choice
Best Tasting Variety
Best Variety
Excellent Storage Variety
F1 Hybrid Variety
Film Coated Seeds
Fun Things to Grow
Good for Making Soups
Good for Salads
Gotta Have It
Home Garden Favorite
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Kossak Kohlrabi Seeds

Guarantee To Grow
Best Seller
Suitable for all Regions
8 review(s) | Add your review
Kossak Kohlrabi
SKU: KO7-50
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Country Of Origin: USA USA
Availability: In stock
$4.00
Your price: $3.50
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Giant Kohlrabi
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Non-GMO Variety
Treated Seeds Generic

80 days. Brassica oleracea. (F1) Kossak Kohlrabi. The plant produces excellent yields of incredibly large kohlrabi bulbs. The bulbs can grow up to 10" wide, up to 10 lbs. It is very sweet, very flavorful, and very tender with no trace of woodiness. They can be eaten raw, used in coleslaw, cooked, or used in Hungarian soups. Impress your neighbors by growing a World Record Giant Kohlrabi. Keeps well and is a good storage variety. It is an excellent choice for home gardens. A variety from the USA.

Lot No: 102675

Germination: 92%

Test Date: 08/2025

Seeds Per Pound: 96,000

Plant Height: Roots: 8 to 10”/Leaves: 9 to 12” Tall

Planting Season: Spring/Fall

Sunlight Requirement: Full Sun/Partial Shade

Planting Method: Direct Sow/Indoor Sow

Kohlrabi Brassica oleracea - Gongylodes Group

 
Seed DepthSoil Temp. for GerminationDays to GerminationSunlight RequirementsPlanting Time
1/4"70 F to 85 F 6 to 9 daysPartial Shade / Full Sun Spring/Fall
USDA Hardiness ZoneSeed SpacingRow SpacingSpace After ThinningDays to Harvest
N/A1"18"10"55 - 130 days
Kohlrabi Planting Information: 

Kohlrabi does best in cool weather with abundant moisture to prevent the edible portion from becoming tough and woody. Plant your seeds indoors 4 to 6 weeks before setting them outside. Spring planting should occur as soon as the soil can be worked and after the last frost. Fall planting should be done in June, July, or August. Plants grow 9 - 12" tall.

Soil Requirements:

Requires fertile soil in a well-drained location in the garden. Apply mulch, grass clippings, or straw around the base of the plant. 

Water Requirements:

Water well during dry and hot spells.

Fertilizer Requirements:

Use Slow Release (6 Month) Fertilizer when transplanting outdoors. Apply Miracle-Gro Liquid Fertilizer every two weeks.

Harvest Tips:

Harvest when bulbs are 3" in diameter.

8 review(s)
5.0 8
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Peter | 6/18/2016 11:39 AM
I have grown all 3 of the huge Kohlrabi all are good but the gigante I have done the most all are sweet and never got woody on me I even do them early spring , but fall is the best
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Guest | 6/18/2016 11:39 AM
I been growing this kohlrabi for a long time and no matter how big they get they are so sweet and never I repeat never woody and come fall time and late fall they are so sweet and crispy that when you cut them they crack , These the the best I have ever grown east coast NJ
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Guest | 1/12/2014 11:05 PM
Great variety, easy to grow and very tender no matter what size.
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Guest | 11/24/2010 5:49 AM
I was never was a kohlrabi fan until I tried this variety.  Sweet and tender.  I plan on growing more next year!  Yum!
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Guest | 5/23/2010 11:34 AM
I agree with the above.  I was amazed that, unlike most giant vegetables, it is as described:  sweet, tender, non-stringy, keeps well!  Hallaluyah.
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Talia | 3/5/2010 5:03 AM
Very crunchy and yummy. Grows well in PA
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Guest | 1/1/2010 12:38 PM
I grew the use kohlrabi in northern North Dakota.  It was the best that I have ever grew.  Highly recommend it.
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Guest | 12/26/2008 9:36 PM
This is the best kohl rabi ever.  Huge bulbs, and always succulent.  Never woody.
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Reimer seeds has over 5,000 quality vegetable, flower, and herb seeds for the home gardener and market growers. We do not sell any Genetically Modified seeds. This year we reduced our prices on many items, added new items, and have added additional bulk items by the ounce and pounds! Take time to review our impressive Online Seed Catalog. Sorry, we do not have a printed catalog to mail you. Plan your garden, and then order your varieties for this upcoming season. Please check back often, as we add new items regularly. If you don’t see an item you want you can always email us and we’ll see if we can bring it into stock!
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