Friday, June 13, 2014

Flower Friday: Starry rosinweed stands above the rest for attracting pollinators.

Starry rosinweed (Silphium asteriscus)

Starry rosinweed is a tall perennial that produces showy yellow, daisy-like blooms (ray flowers) with yellow to green centers (disc flowers). The leaves have a rough surface, toothed margins, and are arranged opposite to alternate.

This robust wildflower is typically found in pine flatwoods, sandhills, open woodlands, mixed upland forests and disturbed or ruderal areas.

Family: Asteraceae (Aster Family)
Hardiness: North, Central and South Florida (Zones 8a-10a), occurring naturally in the panhandle, and south along the western portion of the state
Soil: Does best in slightly moist to dry, sandy or loamy soils
Exposure: Full sun to partial shade
Growth habit: 3-4 feet tall
Garden tips: Starry rosinweed can produce flowers from spring well into the fall season. It attracts a variety of butterflies, bees and other pollinators and is a striking addition to any wildflower garden. It is a prolific seeder and will typically self-seed if allowed, although seed collection is also easy (simply remove the dried, dead flower heads).

Starry rosinweed is often available at nurseries that specialize in native plants. Visit http://plantrealflorida.org to find a native nursery on your area. You can also purchase seeds through the Florida Wildflowers Growers Cooperative (http://www.floridawildflowers.com/products/Silphium-asteriscus-%252d-Starry%C2%A0Rosinweed.html).

To see where starry rosinweed occurs naturally, visit http://www.florida.plantatlas.usf.edu/Plant.aspx?id=3273.

--Stacey Matrazzo

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