Pityopsis graminifolia

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Silk-grass, Silkgrass

Asteraceae (Compositae)

Plant Specifics

Size:2-3 ft tall by 1-5 ft wide
Life Span:Short-lived perennial
Flower Color:Yellow
Fruit Color:White
Noted for:Showy flowers, Interesting foliage


Recommended Uses:Wildflower garden. Foliage can be attractive year-round as silvery-gray green. Also suitable for naturalizing. The foliage will spread into a small mat which can be used to some extent as a groundcover.
Considerations:Cut back after flowering to keep it neat.
Propagation:Seed, division.
Availability:Native nurseries, FNPS plant sales, Seed
Light: Full Sun
Moisture Tolerance:
always floodedextremely dry
 (Not wet but not extremely dry ----- to ----- Very long very dry periods)
Moisture Tolerance: Not wet but not extremely dry ----- to ----- Very long very dry periods
Salt Water Flooding Tolerance:Not salt tolerant of inundation by salty or brackish water.
Salt Spray/ Salty Soil Tolerance:Some tolerance to salty wind but not direct salt spray.
Soil or other substrate:Sand
Soil pH:



Attracts bees and butterflies. A pollinator study at the Archbold Biological Station documented over 30 species of bees visiting this species (Deyrup et al. 2002).

Native Habitats:Sandhill, scrub, scrubby flatwoods, flatwoods, dry prairie, disturbed areas.

Distribution and Planting Zones

Natural Range in Florida
USDA Zones

Suitable to grow in:
10A 10B 11 8A 8B 9A 9B 

USDA zones are based on minimum winter temperatures


General Comments:Minimize competition especially if it is over-topping the Pityopsis.