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. Documented bee species include Colletes mandibularis, C. thysanellae, Andrena fuluipenizis, Perdita blatchleyi, P. graenicheri, Agaposteinon splendens, Augochlora pura, Augochlorella aurata, Augochloropsis metallica, A. sumnptuosa, Dialictus miniatulus, D. izymnphalis, D. placideizsis, Halictus ligatus, Anthidiellum. notatzcrn rufiinaculatum, A. perplexuin, Coelioxys octodeiztata, C. sayi, C. texana, Dianthidiuin floridieizse, Megachile albitarsis, M. brevis pseudobrevis, M. georgica, M. inimica, M. mendica, M. petulaas, M. pruilza, Epeolus caroliizus, Noinada fervida, Boinbus iinpatierzs and Xylocopa virginica lzrornbeini (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.