Silphium terebinthinaceum

Prairie Dock, Rosinweed

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Item #:
Pot Size: 4"x4"x5.5" pot

Plant Description

Prairie dock has nearly leafless, 10’ tall flower stems with bright yellow, sunflower-like flowers in late summer/early fall.  Its strong stems are held well above big, coarse clumps of basal, very large (up to 2’ long), sand paper textured leaves. Prairie dock occurs naturally in limey soils of woodland borders and old fields from central Canada down through central and southeastern United States. It is tall, stately, easy, and very drought tolerant once established. Finches will love the seeds; all sorts of bees and butterflies will love the flowers; and rabbits and deer will leave it alone. Add some tall grasses, some wild indigos and coneflowers for earlier flowers, then stand back and admire! 


Butterfly Plant

Native Plant

Drought buster

Ease of Culture

Easy to culture

Plant Type

Wildflower, Perennial,

Light Exposure

Full sun, Mostly sunny

Soil Condition


Moisture Tolerance

Moderately moist, dry

Container Size

full quart


36 or taller,

Flower Color





Bloom Time

Late summer, early fall

Typical Height





4, 5, 6, 7, 8