Companion planting is a gardening technique used to increase vegetable yields and reduce reliance on pesticides. The Three Sisters method is a time-honored tradition in which corn, beans and squash are planted in close proximity to each other. But corn and beans aren’t the only companion plants for squash. The Three Sisters Sometimes referred to as intercropping or interplanting, companion gardening brings together plants which can mutually benefit from each other. In the three sisters garden, squash is used to create a living mulch. This deters weeds and helps retain soil moisture levels for all three of the sisters. Due to its prickly foliage, squash also acts as a deterrent to the deer and raccoons which like to raid the ears of corn. In a three sister’s planting, squash also reaps benefits from the other two species. Beans fix nitrogen into the soil and the corn creates dappled sunlight to […]
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