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| Description | Cup Plant (Silphium perfoliatum)This section contains images of Cup Plants used in gardens. |
|---|---|
| Plant Type | Perennials Hardy, Site author's observations |
| Hardiness Zone | at least 5 |
| Sunlight | full |
| Moisture | average, prefers moist |
| Soil & Site | prefers moist and can be found along streams and moist areas, native to mesic soils |
| Flowers | yellow daisy-like flowers are found on tall single scapes (flower stalks) |
| Fruit | achene |
| Leaves | opposite leaves, coarsely toothed, form a water reservoir where they join at the stem, visited by birds and Hummingbirds. |
| Stems | square stem |
| Dimensions | up to 8 feet, can form thicketys |
| Propagation | moist stratified seed |
| Native Site | North American Prairies |
| Misc Facts | Prairie Nursery ranks this plant high for wildlife food. |
| Author's Notes | The plants in my garden are growing in a slightly raised area at the edge of a swampy area. They are thriving. |
| Notes & Reference | #09-The Prairie Garden (J. Robert Smith with Beatrice Smith), #56-Tall Grass Prairie Wildflowers (Doug Ladd), #224-Prairie Nursery web site (www.prairienursery.com) |
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