Barbara's Buttons (Marshallia Caespitosa) is a perennial herb in the Asteraceae family with moderate care difficulty. It requires moderate watering and full sun or partial shade light in USDA hardiness zones 5-8. This plant is safe for cats and dogs.

Marshallia caespitosa, commonly called Barbara's buttons or puffballs, is a perennial herbaceous plant native to the south-central United States, known for its dense discoid flower heads that bloom in late spring to early summer.