Silphium, Rosinweed


Silphium astericus



Silphium astericus

Starry Rosinweed is a member of the Asteraceae Family. These plants are exceedingly large and widespread in the family of flowering plants! The group has more than 23,000 currently accepted species. The Asteraceae Family is Rivaled only by the Orchid Family. The main feature of the family is the Composite Flower in the form of a capitula surrounded by bracts. The name ‘Asteraceae’ comes from Aster, the most prominent genus in the family, that derives from the Greek ἀστήρ, meaning star, and is connected with its inflorescence star form. This family has a remarkable ecological and economical importance and is present from the polar regions to the tropics, colonizing all available habitats.

The Asteraceae are an economically important family. Some members provide products such as herbs, oils, seeds.

Hardiness Zone: 8-10

Light: Full Sun to Partial Shade

Mature Growth: 3-4 feet high

Soil: Dry to Med Dry. Drought Tolerant and suitable for xeriscaping

Blooms: Mid Summer to Late Summer

Wildlife: Flowers are attractive to butterflies

Additional information


1 Gallon, 1 Quart