Nodding Onion Gardens

Native Plant Nursery

Where Wildflowers Grow

Columbia Station, Ohio, USA

 

Ohio Native Plant - Natural Range 

Silphium laciniatum


To view the natural range of Silphium laciniatum visit the USDA Natural Resources 

Compass Plant is on the Ohio Department of Natural Resources Rare Plant List and is classified and endangered in the state of Ohio


Nodding Onion Garden's Compass Plants
Nodding Onion Garden's Compass Plants

Cultivation Information

 Silphium laciniatum



Height
-
8 ft
Flower Color - Yellow
Blooms - June - September
Sun - Full sun/part shade

Soil - Wet to dry

Hardy Zone -3 to 9



Family -Asteraceae
Siphium laciniatum - Compass Plant
Siphium laciniatum - Compass Plant
Compass Plant
Compass Plant flower in full bloom

Wildlife Significance - Compass Plant


Pollinated by - Long-tongued bees, bumblebees, Minor bee


Attracts - Syrphid flies, butterflies like Sulfure and Monarch


Seed - Enjoyed by songbirds and small mammals


For detailed information on Compass Plant visit the Illinois Wildflower site

 A field of Compass Plants
Spectacular! A field of Compass Plants

Propagation Notes for Compass Plant


Slow to mature - Silphium laciniatum was started from seed in February 2016, we didn't expect flowers the first season but were surprised when not one of our Compass Plants bloomed in 2017.

Hopefully, they will get down to business in 2018!
leaves of Compass plant
Easily Distinguishable leaves of the Compass Plant
Seed Provenance - Prairie Moon Nursery - 2015- 2017 - We are waiting patiently for our own seed!