Silphium laciniatum
Compass Plant
USDA Hardiness Zone 3-9
Very large basal leaves, up to 18" long, orient themselves on a north-south axis to minimize sun exposure-
giving rise to the common name. Large, yellow, sunflower-like flowers on tall, stiff stems to 9'!
Bloom Time
July-September
Homeowner Growing and Maintenance Tips
Grows easily and tolerates poor soils.
Good Companions
Purple Coneflower
(Echinacea purpurea),
Spiked Gayfeather
(Liatris spicata),
Little Blue Stem
(Schizachryium scoparium)
Characteristics & Attributes
Season of Interest (Flowering)
Season of Interest (Foliage)