Ladybugs require a source of pollen for food and are attracted to specific types of plants.
The most popular ones are any type of mustard plant, as well as other early blooming nectar and
pollen sources, like buckwheat, coriander, red or crimson clover, and legumes like vetches, and also
early aphid sources, such as bronze fennel, dill, coriander, caraway, angelica, tansy, yarrow, wild carrot.
Other plants that also attract ladybugs include coreopsis, (white) cosmos, dandelions and scented geraniums.