Companion Planting for Kohlrabi: A Guide to Healthier, More Abundant Plants
Kohlrabi, a member of the cabbage family, is a cool-season vegetable that is relatively easy to grow. However, like all vegetables, it has its share of pest issues. If you’re looking for an organic approach to pest control, companion planting is a great option.
What is Companion Planting?
Companion planting is the practice of planting different plant species together to benefit each other. This can be done in a number of ways, such as:
- Adding nutrients to the soil
- Repelling pests
- Sheltering beneficial insects
- Acting as a natural trellis or support
The Benefits of Companion Planting for Kohlrabi
There are many benefits to companion planting for kohlrabi, including:
- Improved growth and yield
- Reduced pest problems
- Improved soil fertility
- Increased biodiversity
Choosing Companion Plants for Kohlrabi
When choosing companion plants for kohlrabi, consider the following factors:
- Growing conditions: Kohlrabi has shallow root systems and needs water frequently. Choose companion plants that have similar water requirements.
- Nutrient requirements: Kohlrabi is a heavy feeder. Choose companion plants that have similar nutrient requirements.
- Sun exposure: Kohlrabi needs full sun to grow properly. Choose companion plants that can tolerate full sun.
Good Companion Plants for Kohlrabi
Some good companion plants for kohlrabi include:
- Bush beans: Bush beans fix nitrogen into the soil, which benefits kohlrabi.
- Beets: Beets help to repel pests, such as aphids and flea beetles.
- Celery: Celery attracts beneficial insects, such as ladybugs and lacewings.
- Cucumbers: Cucumbers provide shade for kohlrabi, which helps to keep the soil cool and moist.
- Lettuce: Lettuce helps to suppress weeds and improve soil moisture.
- Onions: Onions repel pests, such as aphids and thrips.
- Potatoes: Potatoes help to improve soil fertility.
Bad Companion Plants for Kohlrabi
Some plants should not be planted with kohlrabi, as they can stunt its growth or attract pests. These plants include:
- Cabbage: Cabbage is a member of the same family as kohlrabi, so it has similar pests and diseases.
- Cauliflower: Cauliflower is also a member of the cabbage family, so it should not be planted with kohlrabi.
- Broccoli: Broccoli is another member of the cabbage family that should not be planted with kohlrabi.
- Tomatoes: Tomatoes are said to stunt the growth of kohlrabi.
How to Plant Kohlrabi with Companion Plants
When planting kohlrabi with companion plants, follow these steps:
- Choose a sunny location with well-drained soil.
- Amend the soil with compost or manure.
- Plant the kohlrabi seedlings 12-18 inches apart.
- Plant the companion plants around the kohlrabi seedlings.
- Water the plants deeply and regularly.
- Mulch around the plants to help retain moisture and suppress weeds.
Conclusion
Companion planting is a great way to improve the health and yield of your kohlrabi plants. By choosing the right companion plants, you can create a thriving garden ecosystem that is naturally resistant to pests and diseases.
