cup plant
Silphium perfoliatum
Overview
Cup Plant (Silphium perfoliatum) is an outstanding native plant, well-suited to many landscapes. It grows up to five feet tall and has bold, lance-shaped leaves forming a deep cup filling with rainwater. Ray-shaped yellow flowers appear in midsummer atop the stalks. This plant is very easy to grow and tolerant of most soils, preferring full sun and can tolerate drought conditions. It is a popular choice for pollinators and is renowned for supporting several moth species, native bees, and butterflies. Cup Plant also works well for stormwater management, water conservation, and wildlife habitat. Its natural beauty and hardiness make it worth considering for any garden.
Care Guide
Watering
Frequent — every "7-10" days.
Light
Full sun Partial sun.
Soil
Loamy
Temperature
Hardiness zone 3-9.
Pruning
Best pruned in March, April.
Propagation
Seed Propagation, Cutting, Division, Layering Propagation
Uses & Symbolism
Attracts: Birds, Butterflies.
Related plants
Other plants you might like if you grow cup plant.
