Can I Interplant Different Crops in My Raised Beds?

Choosing Complementary Crops

When interplanting, select crops that complement each other in terms of growth habits, sunlight requirements, and pest resistance. For example, planting tall sunflowers with shorter bush beans and cherry tomatoes allows for efficient use of space. This technique is known as “companion planting.” Consider the mature size of each crop and leave sufficient space for growth. For instance, plant marigolds or nasturtiums with tomatoes to repel nematodes and other pests.

Maximizing Space with Intensive Planting

To make the most of your raised beds, practice intensive planting by using a “3 Sisters” approach. Plant beans, corn, and squash together, with the beans using the corn for support and the squash shading the soil to retain moisture and suppress weeds. Another example is layering small plants like lettuce or herbs between larger crops like cucumbers or zucchini. This layering technique can increase yields by up to 50% in a given space.

Season Extension and Crop Rotation

To extend the growing season and maintain soil health, interplant cool-season crops like lettuce and kale with warm-season crops like tomatoes and peppers. Rotate your crops seasonally to avoid depleting the soil of specific nutrients and to reduce pest and disease buildup. For example, plant legumes (like beans or peas) in the spring to add nitrogen to the soil, and follow with a crop that benefits from the excess nitrogen, like corn or squash. This rotation technique can lead to significant increases in crop yields and soil fertility.