Skip to main content

Polarplant

Silphium laciniatum

Last reviewed: June 2026

Polarplant (Silphium laciniatum)
Photo: Peter Chen 2.0 / Wikimedia Commons (CC BY 4.0)

Light

full sun

Water

low

Size

48"–96" H × 24"–36" W

Bloom

Jun, Jul, Aug, Sep

Native to

AL, AR, IA, IL and 18 more states

Pollinators

bees, butterflies, beetles

Polarplant is a tall native wildflower that can reach 8 feet in height with deeply lobed leaves and bright yellow daisy-like flowers. It blooms from summer through early fall and is drought tolerant once established. This is a dramatic prairie plant that makes a bold statement in the landscape.

In an HOA neighborhood

Polarplant takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Extremely tall height appears wild and uncontrolled
  • Can look weedy when dormant
  • May be mistaken for a weed by neighbors

Wildlife value

The large yellow flowers attract bees, butterflies, and beetles throughout the long blooming season. Seeds provide food for birds in fall and winter.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Does Polarplant fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.