Related: 10 Best Garlic Companion Plants to Grow Together Cruciferous vegetables, like broccoli, cabbage, cauliflower, and kale, are perfect onion companion plants. Onions’ strong aroma naturally ...
Interested in starting an edible garden? Some of the best rosemary companion plants are vegetables in the cruciferous category, like cabbage. With rosemary's repellent abilities, cabbage moths and ...