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Compass Plant

Silphium laciniatum

Silphium, Gumweed, Planta brújula

About This Plant

Sun. Tall and coarse, like a sunflower with its showy daisy flowers held erect along stout, sticky, resinous stems. The long, deeply cut leaves avoid the heat of the noonday sun by orienting themselves in a north-south direction.

Compass plant is slow growing, with some specimens living nearly 100 years. It is one of a group of tall prairie sunflowers, including Rosinweed, Cup Plant and Prairie Dock. The nutritious seeds attract goldfinches and other birds; the sap, once hardened, can be chewed like gum.

Maintenance

A stately sunflower that holds its leaves pointing north and south.

Min. Height: 3 feet

Max Height: 10 feet

Min. Width: 1 foot

Max Width: 3 feet

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