Oligolectic Bees – are bees that are very particular as to what plant family they gather their nectar and pollen. False Sunflower is such a plant for several bees: Andrena accepta, Andrena aliciae, Andrena helianthi, Pseudopanurgus rugosus .
Host Plant - Pearl and Northern Crescent, Various Checkerspots, Painted ladies.
Annual Host Plants - Hollyhocks are also host plants for Painted ladies.
Nectar Source -Skippers, Butterflies: Painted Ladies, Monarchs and Sulphurs.Wasps, flies, moths and beetles provides late fall food for bees (long-tongued and short-tongued)
Queen Bees - Queen Bumble bees visit asters to build up their food reserve enorder to survive the winter.