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Silphium perfoliatum 'The Holy Grail' - Cup Plant - Asteraceae (The Aster/Daisy Family)
Silphium perfoliatum 'The Holy Grail' - Cup Plant - Silphium perfoliatum 'The Holy Grail' is a dramatic cup plant due to its height, chartreuse foliage and bright yellow daisies.
Silphium perfoliatum 'The Holy Grail' - Silphium perfoliatum 'The Holy Grail' is a dramatic cup plant due to its height, chartreuse foliage and bright yellow daisies.
 
15cm
Price: $29.99
Zone Hardiness: 4-9
Light: Full Sun
Height: 4-6'
Width: 2-3'
Flower Colour: Yellow


Availability: Shipping begins in May/June when plants are ready.
Product Code: 13538
Qty:

Description Fine Print
 
Silphium perfoliatum is known as the cup plant due to its large, triangular, toothed leaves that clasp the stem and catch rain water. It can reach dramatic heights up to 6-8 feet tall with a 3 foot spread. Bright yellow, daisy-like, nectar-rich flowers bloom in summer. Birds and insects use the collected water for a source of drinking water plus birds will eat the seeds. 'The Holy Grail' is a special selection with lime green to gold foliage. Grow in rich, well-drained soil. Use as a focal point at the back of the sunny border or in the cottage garden for vertical and wow appeal. Pollinator attractor.
Details
  • Class: Deciduous
  • Soil Moisture: Average, Moist
  • Flowering Time: Summer
  • Fragrant: No
  • Foliage Colour: Golden , Green
  • Deer Resistant: Unknown
  • Attracts: Bees, Butterflies
  • 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.
  • Geographical Origin: Americas - Central and South America, Miscellaneous - Garden Origin
  • BC Native: No


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