Silphium perfoliatum

Plant Characteristics
Habit		herbaceous
Height:	⇕	5 ft"ft" can not be assigned to a declared number type with value 5.
Width:	⇔	3 ft"ft" can not be assigned to a declared number type with value 3.
Lifespan:	⌛	perennial

Scientific Names
Asteraceae >	Silphium >	perfoliatum >

Plant Characteristics
Origin:	✈	?

Cultivation

Exposure:	☼	?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water:	◍	?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.

Scientific Names

Read about Silphium perfoliatum in the Standard Cyclopedia of Horticulture
Silphium perfoliatum, Linn. (S. erythrocaulon, Bernh.). Cup Plant. Indian Cup. St. square, usually dentate, branched above, about 6 ft. high: lvs. thin, ovate or deltoid-ovate, the lower contracted into margined petioles, the upper opposite, connate-perfoliate: fl.- heads 2-3 in. across, with 20-30 rays. July. Aug. Ont. to S. D. and Ga. B.B. (ed. 2) 3:460. G.W. 11, p. 473. ^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 It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article.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.

Cultivation

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