Apple cider vinegar can be used in a homemade powdery mildew spray, but it isn’t a substitute for an organic fungicide labeled for your vegetable and the disease. A commonly suggested mix is 2–3 tablespoons of apple cider vinegar in a gallon of water; the vinegar...
Certain microscopic roundworms can target insect pests while they’re in the soil. Beneficial nematodes for garden pest control are useful species that infect specific insect hosts and introduce symbiotic bacteria, which can kill those hosts in 24 to 48 hours. The...
Use insect netting row covers for brassicas on spring or fall transplants, or over direct-seeded crops through summer. Midsummer transplants can get too hot under cover. For cabbage root maggot protection, install the cover immediately after planting and seal its...