Any member of the cabbage family should also be planted with potatoes, tomatoes, celery, dill, chamomile, sage, thyme, mint, rosemary, lavender, beetroot or onions. All the above are aromatic plants, and therefore deter cabbage worms. Thyme and tomatoes also help control flea beetles. Caraway - Long roots help break down and condition heavy soils, can plant near shallow rooted plants. Attracts parasitic beneficial wasps.
Caraway dislikes being planted near fennel.
Sown with peas, caraway seeds germinate more easily. Carrots - Carrot fly is repelled if carrots are planted with sage or onions. Also plant with peas, lettuce, chives, leeks, rosemary or tomatoes. Catnip - Planted on the vegetable garden border, catnip will deter cats from venturing further. Protects against flea beetles, and attracts bees.