- Potatoes • Potatoes and peppers share susceptibility to certain diseases, such as blight. Growing them together increases the risk of cross-contamination.
- Apricot Trees • If you have an apricot tree nearby, avoid planting peppers under it. A fungal disease called “gummosis” can spread from peppers to apricots.
- Walnut Trees • Walnut trees release juglone, a chemical toxic to many plants, including peppers. Even the roots and leaves of walnuts can cause issues for peppers.
- Dill • Dill can initially support peppers by attracting beneficial insects, but as it matures, it releases chemicals that can stunt their growth.
- Sunflowers • Sunflowers release allelopathic chemicals from their roots and decomposing parts that can inhibit the growth of nearby plants, including peppers.
Tips for Companion Planting With Peppers
To avoid issues, plant peppers near compatible companions, such as:
• Basil: Repels pests like aphids and spider mites.
• Marigolds: Attract pollinators and deter nematodes.
• Onions and Garlic: Repel harmful insects.
• Carrots: Help loosen the soil around pepper roots.
Proper plant spacing and crop rotation are also essential to maintain a healthy garden ecosystem.
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