Plants that Help Broccoli Grow Better:
- Celery, potatoes, and onions improve the flavor of broccoli when planted nearby.
- Aromatic herbs, such as rosemary, sage, dill, and mint, help broccoli by repelling insect pests.
- Plants that require little calcium, such as beets, nasturtiums, and marigolds are good companions because they grow happily with broccoli--a notorious calcium-hog.
Plants Helped by Broccoli:
It's a great idea to interplant broccoli with plants that don't need a ton of room and enjoy some shade in late spring and early summer. Some ideas include looseleaf lettuce, spinach, and radishes.
Plants to Avoid Planting Near Broccoli:
Tomatoes, pole beans, and strawberries are all said to negatively affect the growth and flavor of broccoli.