Silphium terebinthinaceum

Prairie Dock
Family: Asteraceae (Aster Family)
·        Hardiness Zones: 4-8
·        Height: 3-8 feet
·        Spread: 3 feet
·        Bloom Time: July to September
·        Bloom: yellow sunflower-like blooms on eight foot tall slender stalks; flower heads 2-3 inches wide
·        Light: Full sun
·        Soil: sandy, loamy
·        Moisture: medium to moist
·        Use: native plant gardens or prairie-like settings; foliage and flowers for arrangements; seedheads attract finches and songbirds; benefits butterflies and bees; reduces erosion
·        Care: easy to grow, low maintenance
·        Concerns: no serious insect or disease problems
·        Native to: Dane County and southeastern Wisconsin; eastern North America from Ontario to Tennessee, Ohio and Indiana
·        Notes: big, bold, basal leaves grow 24-36 inches tall; deer and rabbit resistant; provides food to American bison
·        Supplier: Taylor Creek Nursery
·        Teaching Garden Location & Code: Rain Garden J006

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