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Cup Plant

Silphium perfoliatum

Cup Plant

General Information

Plant Information

Plant Type:

Herbaceous Perennial

Sun Preference:

Full Sun * Part Sun

Soil Moisture Preference:

Medium-Wet * Medium

Plant Height:

4 to 6 feet

Plant Width:

2 to 4 feet

Plant Spacing:

2 to 4 feet

Flower Color:


Flower timing:

July to September

Culture Information:


Pests & Disease:

Wildlife Use:

Native to:

Knox County and East Tennessee

More Information:
NC State Plant Database:
Missouri Botanical Garden:
TN-KY Plant Atlas

Other Link:

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