Pepper plants (Capsicum spp.) are tender annual crops that come in sweet, mild and hot varieties. In the Mediterranean climate found in much of U.S. Department of Agriculture plant hardiness zones 9 and 10, peppers are best grown during the months of April, May and June. Regardless of the variety, peppers require full sun, warm weather and consistently moist soil with excellent drainage. Proper cultural care is important to avoid pathogens that cause problems in peppers, such as irregular brown spots on your plant’s leaves, a sign of bacterial leaf spot.
- If your pepper plants show brown leaves, it’s indicative of some kind of problem that needs to be diagnosed and dealt with quickly.
- If the entire plant is brown, not just the leaves, this may be the result of chilling. Brown leaves, especially if they’re brittle and the plant is droopy, may be saying “water me!”
- If neither of these explanations seems to fit your pepper’s brown leaves, the problem is likely more serious — insects, fungi or bacteria. These may require destroying the pepper plants.
“Browning pepper leaves may be the result of environmental conditions such as frost damage/chilling injury.”