Companions
Nasturtium, Asparagus, Carrot, Celery, Cucumber, Onion, Onions, Chives, Marigold, Basil, Borage, Monarda, Mint, Dill and Calendula.
Troubleshooting
Watch for leaf-eating tomato hornworms, and pick them off. Black patches on the bottom of fruits are a nutritional disorder best prevented by growing tomatoes in well-prepared soil with constant light moisture.