9  Best Companion Plants For Summer Squash

Beans and summer squash are good companions because they share similar growing needs. Beans fix nitrogen in the soil, an essential mineral for soil health, benefiting future crops. 

Beans (Phaseolus vulgaris):

Leeks are excellent companions for summer squash due to their ability to repel pests like carrot flies and aphids with their strong scent.

Leeks (Allium ampeloprasum): 

Lettuce takes up minimal space in the garden, making it a good fit with summer squash. Quick-growing lettuce varieties can be planted around young squash plants in the spring to maximize space. 

Lettuce (Lactuca sativa): 

As vining plants, peas typically climb a trellis vertically while summer squash spreads horizontally, making them good companions. Peas also fix nitrogen into the soil, enhancing soil health.

 Peas (Pisum sativum):

Radishes grow quickly and can help break up the soil, making it easier for squash roots to expand. They also act as a trap crop, luring pests like flea beetles away from squash. 

Radishes (Raphanus sativus): 

Spinach is another leafy green that takes up minimal space and complements summer squash. It matures quickly and benefits from the shade provided by squash as it grows. 

Spinach (Spinacia oleracea): 

Tomatoes and summer squash make excellent garden neighbors because they thrive under similar conditions full sun and well-drained soil. 

Tomatoes (Solanum lycopersicum):

Oregano pairs well with summer squash both in the garden and the kitchen. Its flowers attract important pollinators, aiding in squash pollination. Oregano's strong scent can also deter some pests.

Oregano (Origanum):

Basil is a wonderful companion for summer squash as it repels pests like mosquitoes and flies while attracting beneficial insects like bees. The aromatic oils in basil can also enhance the flavor .

 Basil (Ocimum basilicum):