Are your basil leaves turning black or brown? Basil isn’t difficult to grow, but the plants are prone to diseases like downy mildew, sensitive to cool temperatures, and attractive to insects like aphids. Below I outline 9 of the most common reasons for black or brown spots to appear on basil leaves. You’ll also find pro tips to prevent basil problems and learn more about five of the best disease-resistant cultivars to grow to enjoy plenty of fresh basil leaves. Keep reading to learn more about growing great basil.
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