Silphium perfoliatum
Silphium perfoliatum or cup plant is a dramatic perennial with towering 6-8 feet tall stems with bright yellow daisies.
Description:
Silphium perfoliatum is known as cup plant due to the large leaves that clasp the stem and catch rain water. It is a dramatic perennial with large leaves and towering stems that can reach 6-8 feet tall with bright yellow daisies in summer and fall. Birds and insects use the collected water for a source of drinking water. Insects enjoy the nectar of the flowers and birds will eat the resultant seeds.
Common Name: Cup Plant
Family: Asteraceae (The Aster/Daisy Family)
Zone Hardiness: 3-9
Light: Full Sun, Part Sun
Height: 6-10'
Width: 12-24"
Primary Bloom Colour: Yellow
Secondary Bloom Colour: Yellow
Class: Deciduous
Type: Perennial
Bloom Time: Summer
Soil Moisture: Average, Moist
Stem Colour:
Fragrance: No
Berries:
Benefits: Butterflies
Deer Resistant: Unknown
BC Native: No
Native Habitat: Sandy moist bottom lands, floodplains, ditches, near streams and in open woodlands, forest edges, and fields in Ontario and Quebec and across much of the central and eastern US.
Award: AGM
Geogrpahical Origin: Americas - North America
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*The Plant Encyclopedia is updated each year to provide a representation of the plants we offer, have offered, and may offer again. However, it is not a live inventory of our stock. Not all plants will be available at all times or in every year. Use the link above to enquire about the availability of this plant. Additionally, we carry many plants that have not yet been entered into our database so please enquire if you don’t see what you’re looking for. Plants are available only for on-site sales at our nursery in Richmond, BC, Canada or for shipping within Canada. We do not ship internationally. However, if you are visiting the nursery from afar, we can arrange for the necessary permits and paperwork for you to take plants back with you to your country.