Species PlantsCompass Plant

Compass Plant

Silphium laciniatum

UncommonPlant
Illustration of Compass Plant (Silphium laciniatum)

Compass Plant is a tall, deeply tap-rooted prairie wildflower that can reach 10 feet, with large, deeply cut leaves that orient north-south (hence the name) and masses of yellow sunflower-like flowers. Its deep roots can penetrate 15 feet into prairie soil. The seeds are important food for goldfinches and other prairie birds, and the resin has been used as chewing gum.

Habitat
Tallgrass and mixed-grass prairies of the central Midwest
Diet
Seeds eaten by goldfinches and other prairie birds; attracts bumblebees
How common
Uncommon

Best time to see a Compass Plant

The best time to see a Compass Plant is May–July, when about 63% of U.S. sightings happen, based on 14,194 research-grade iNaturalist observations.

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