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Silphium perfoliatum

Silphium perfoliatum
cup plant

Common name cup plant
Family asteraceae
Life cycle perennial
Flowers yellow (summer)
Size 6 ft
Light sun
Cultural notes ordinary garden soil
From seed self-seeds in our garden
Seed ripenslate August

Bold upright plant with leaves arranged around the stems in such a way as to catch the rain. Yellow composite flowers in summer, starting in July.

Silphium perfoliatum
cup plant
Bursting with buds in mid-July

We left this plant behind in our Pennsylvania garden (and wish it well); we don't grow it in Houston.

Seed for this plant is included on my seed trade list

One or more images of this plant are included in my stock photo catalog

About my plant portraits
PlantLinks to other web pages about Silphium perfoliatum

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