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Kohlrabi is a cool-weather frost-resistant crop that you can plant in your garden in the early spring and again as a fall crop. A member of the Brassica family, it can be susceptible to pests such as Cabbage Loopers, Cabbage Aphids, and Cutworms. One way to help combat unwanted pests and help your crops thrive is to use companion planting with your crop of kohlrabi. In this article, we go over what are good companion plants for kohlrabi and what you should not plant with kohlrabi.
Good Companion Plants for Kohlrabi
- Beets
- Celery
- Chamomile
- Chives
- Garlic
- Lettuce
- Onions
- Rhubarb
- Sage
- Shallots
- Thyme
Chives, Garlic, Onions, and Shallots all can help keep unwanted insects and pests away from the area they are planted in. This can help for keeping the pests that are attracted to kohlrabi away.
Lettuce can act as a natural mulch and help keep the soil moist.
Rhubarb can be a good companion crop because it can help in deterring cabbage flies and whiteflies away from Brassicas like kohlrabi.
Sage is a good border companion crop to put around Brassicas to help repel pests.
Thyme has thymol, which is a compound that works as an insect repellent. Thyme works great as a companion plant due to its ability to repel harmful insects and attract beneficial ones.
What Not to Plant with Kohlrabi
- Beans
- Brocolli
- Brussels Sprouts
- Cabbage
- Carrots
- Cauliflower
- Corn
- Eggplant
- Fennel
- Peppers
- Potatoes
- Pumpkins
- Radishes
- Strawberries
- Sunflowers
- Tomaotes
- Turnips
Beans can stunt the growth of kohlrabi and do not make a good companion crop.
Brussels Sprouts, Cabbage, Broccoli, Cauliflower, Radishes, Turnips, and other Brassicas are best planted away from kohlrabi since they are all a part of the Brassica family and attract the same pests. This can cause an infestation of pests that can decimate your crop and will spread disease among the crops.
Fennel can stunt the growth of kohlrabi.
Pumpkin vines have very big leaves that will cast too much shade for kohlrabi.
Strawberries attract aphids.
Sunflowers also cast a lot of shade and do not make a good companion with kohlrabi.
Frequently Asked Questions About Companion Planting With Kohlrabi
Broccoli and Kohlrabi should be planted in different areas of the garden. Both are members of the Brassica family and if planted together they will compete for the same nutrients and can attract too many of the same harmful insects which can lead to the spread of disease easily.
No, eggplant is not a good companion with kohlrabi. Both of these crops compete for the same nutrients which would lead to stunted growth in both crops if planted together.
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