University of Florida

Companion Planting

Companion planting is an ancient practice where two different plants, often vegetables, are planted together to benefit one or both of them. While not supported by research, there are a variety of benefits and explanations suggested by the home gardening community.

Companion plants may draw pests away from desired crops, such as when collard greens attract the diamondback moth away from adjacent cabbage.

Planting long- and short-season plants together, like carrots and radishes, makes best use of the space. Radishes can be harvested around 21 days after planting, just about the time the carrots need the room.

Using several different cultivars of the same plant, like broccoli, can reduce pest populations. Growing tall plants such as corn with shorter, shade-tolerant species like lettuce helps keep both plants
happy.

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