Peppers Companion Plants
Companion planting pairs peppers with neighbors that may help confuse pests, draw in pollinators and beneficial insects, or make better use of bed space and soil moisture. Sweet and hot peppers appreciate warm soil, steady moisture, and a spot that is not crowded by taller, heavy-feeding plants. Keep in mind that companion planting is a traditional practice and results vary from garden to garden.
Good companions for Peppers
| Plant | Why it helps |
|---|---|
| Basil | This aromatic herb is a classic pepper neighbor that many gardeners believe helps mask the plants from pests while its flowers draw in pollinators. |
| Onions and garlic | Pungent alliums are widely used to discourage aphids and other soft-bodied pests, and they take up little room between pepper plants. |
| Carrots | They grow mostly below the peppers, so they share a bed well without competing much for sunlight. |
| Marigolds | Their bright blooms attract pollinators and beneficial insects and are a long-standing edge planting for warm-season vegetables. |
| Nasturtiums | Often planted as a trap crop, they can lure aphids away from your peppers while adding edible flowers. |
| Lettuce and spinach | These low, leafy greens shade the soil and can be harvested before peppers grow large enough to crowd them. |
| Oregano | A spreading herb that helps cover bare soil, and its small flowers bring in helpful insects when allowed to bloom. |
Keep Peppers away from
| Plant | Why to separate them |
|---|---|
| Fennel | It can release compounds that slow the growth of many nearby vegetables, so it is best kept in its own corner. |
| Brassicas (cabbage, broccoli, kale) | These heavy feeders compete for the same nutrients and generally prefer cooler, different soil conditions than peppers. |
| Black walnut | Its roots and leaves release a substance that nightshade-family plants like peppers are sensitive to, which can stunt or wilt them. |
| Beans | Some gardeners keep them apart because they can shade peppers and compete for space, though experiences vary. |
Tips
Give peppers full sun and room for good airflow, and use shorter companions like lettuce, herbs, or low flowers so nothing shades the fruit. Tuck alliums and marigolds around the edges of the bed, and let a few herb and flower companions bloom to keep pollinators and beneficial insects coming. Treat these pairings as helpful traditions rather than guarantees, since soil, climate, and pest pressure will shape your own results.
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Companion planting is a traditional practice; results vary with your climate, soil, and garden. Page updated Aug 4, 2026.