Silphium terebinthinaceum

Silphium terebinthinaceum subsp. var.	Prairie dock
	The query description has an empty condition.: herbaceous Height: ⇕ to Width: ⇔ to 7ft10ft 3ft6ft Height: ⇕ 7 ft to 10 ft Width: ⇔ 3 ft to 6 ft The query description has an empty condition.: ⌛ Origin: ✈ Poisonous: ☠ Bloom: ❀ early summer, mid summer, late summer	The query description has an empty condition.: ☼ sun, part-sun The query description has an empty condition.: ◍ Features: ✓ flowers Hidden fields, interally pass variables to right place Minimum Temp: ☃ °F USDA Zones: 4 to 9 Sunset Zones: Flower features: ❀ orange, yellow
	Asteraceae > Silphium terebinthinaceum var. ,

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Standard Cyclopedia of Horticulture

Silphium terebinthinaceum, Jacq. Prairie Dock. St. about 6 ft. high, nearly or quite smooth: lvs. nearly all basal, usually 1 ft. long, ovate, cordate, dentate: fl.-heads 1 1/2 - 3 in. across; rays 12-20. July-Sept.—Ont. and Ohio to Iowa and La.—A striking and decorative herb. CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

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