*Milkweed is definitely the favorite flower of the Monarch butterflies.... but did you know:
The adult and the larvae of ladybird beetles are predators of aphids.
You can attract the ladybugs to your garden by growing milkweed nearby your garden or, grown away from the garden and then bring the ladybugs into the garden by hand.
Other plants that will attract the ladybugs are:
Alpine cinquefoil
Basket of Gold
Boneset
Carpet bugleweed
Common yarrow
Dill
Fennel
Fern-leaf yarrow
Golden marguerite
Marigold tagetes tenuifolia
Penstemon
Prairie sunflowers
Sulfur cinquefoil
Thistles