Papaveraceae

Stylophorum

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Stylophorum diphyllum

Stylophorum is a genus of herbaceous woodland perennials from East Asia and eastern North America. The leaves are deeply divided, almost to the midrib. The flowers, which bloom in spring and summer, are yellow or orange, with a papery, saucer-shaped, poppy-like presence. Grow in a woodland garden, a shady border, or a large rock garden.

Noteworthy CharacteristicsYellow or orange poppy-like flowers. Deeply divided leaves. They can become weedy.

CareGrow these woodland plants in moist, moderately fertile, organically rich soil in deep or partial shade. Direct sun will scorch them.

PropagationDivide in spring, or sow seed in containers in a cold frame in fall.

ProblemsSlugs and snails may attack plants.

Species and cultivars

More From the Plant Guide

Winter Interest

Partial Shade

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