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Silphium perfoliatum (Cup Plant)

Type: Species | Edit History      Plant ID - 38403

Image added by Canadian Chelsea (41) Image 1 of 3

Rate this plant: 2 ratings

Scientific Classification Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Asterales Family: Asteraceae Genus: Silphium Species: Silphium perfoliatum

Common Names add Cupleaf Rosinweed edit | delete Squarestem Rosinweed edit | delete Indian Cup Plant edit | delete Cup Plant edit | delete Plant Types edit Herb Perennial   Zones / Hardiness edit 4a (to -25 F / -32 C) 4b (to -20 F / -29 C) 5a (to -15 F / -26 C) 5b (to -10 F / -23 C) 6a (to -5 F / -21 C) 6b (to 0 F / -18 C) 7a (to 5 F / -15 C) 7b (to 10 F / -12 C) 8a (to 15 F / -9 C) 8b (to 20 F / -7 C)   Height (Maximum) edit 5 to 10 feet (1 1/2 to 3 m)   Spread (Maximum) edit 1 1/2 to 2 feet (45 to 60 cm)   Flowering Start edit August   Flowering End edit Autumn / Fall   Leaf Colour edit Green - Dark   Leaf Shape edit Opposite Ovate   Have you a suggestion for a plant property that we are missing? Please let us know. Suitable For edit Butterfly Garden Low Maintenance Garden Wildlife Garden   Sun Exposure edit Full Sun   Soil Types edit Tolerant of Most Types   Soil pH edit 6.5 - 6.9 (Very slightly acidic) 7.0 (Neutral) 7.1 - 7.5 (Very slightly alkaline) 7.6 - 8.0 (Slightly alkaline)   Bloom Colour edit Yellow/Gold   Wildlife Value edit Bees Butterflies (nectar source) Deer Resistant   Propagation Techniques edit Seed Division   Skill Level edit Some Experience   Additional Short Notes add For longer notes please use the Opinions area below Ask a Question about this Plant on our Forums

Members who grow this plant also grow...   Digitalis purpurea (Common Foxglove)   Echinacea purpurea (Purple Coneflower)   Rudbeckia fulgida 'Goldsturm' (Black-Eyed Susan)   Achillea millefolium 'Pomegranate' (Yarrow) Contributors For This Plant   Canadian Chelsea (41) Netty (13946) FlowerFreak22 (9625) Frank (2698) Gardens Containing This Plant   Canadian Chelsea's Garden FlowerFreak22's Garden Netty's Garden Link To This Plant Copy and paste one of the codes below to your favourite forum or website in order to link to this plant: Forum link Direct link HTML code

Add Your Opinion About This Plant   Canadian Chelsea (41) wrote on Jun 09 2009 Rating for this plant: Indian Cup is a show stopper in late summer with it's daisy-like yellow flowers atop a 7' square stem. Monarch butterflies love it. I like this opinion Note: please don't use this box to post questions, you can do that on our forums instead.

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