Silphium terebinthinaceum-Prairie Dock Shade blue-green foliage that takes on

blue-green foliage that takes on a stunning orange color in the fall

daisy-like flowers last for weeks or even months on end

Cutting the flower spikes back after blooms fade will improve the look of the foliage for the remainder of the season

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Bloom Time August

Silphium terebinthinaceum-Prairie Dock Shade blue-green foliage that takes onPrairie Dock makes a statement in the garden with leaves unlike any other: upright, 18 tall, and 12 wide, with the shape of an upturned heart and the texture of sandpaper. If that werent enough to make it standout, the flower stalks it sends up in summer make Prairie Dock one of the tallest plants native to Illinois. Reaching heights of around 9 ft, these stalks branch out towards the top and sport yellow, sunflower like blooms that attract a