Native Plant Database

Callicarpa americana. Photo: Mervin Wallace

Prairie Dock

Silphium terebinthinaceum
Plant Type: Herbaceous Perennials
Native Environment: Glade
Season of Interest:
Main Color: Yellow
Fall Color:
Hardy From Zone:
Hardy To Zone:
Sun Exposure 
Full Sun
Soil
Moisture
Dry, Moderate
Nature Attracting
Wildlife Benefit
Animal
Resistance
Size

Height:

2 to
3
feet

Spread:

3 to
feet
Size
Height: 2 to
3
feet
Spread: 3 to
feet
Size
Height: 2 to
3
feet
Spread: 3 to
feet
Typical Landscape Use
The large leaves provide excellent bold texture in perennial borders and native gardens.
Establishment and Care Instructions
Grow in full sun in moist or dry soil.
Special Features
Special Usage
Fresh Cut Flower, Dried Flower
Basic Description

A robust perennial with big bold basal leaves and tall stems which bear round sunflower-like yellow flowers in late summer. The foliage grows 24-36 in. tall, the flower stalks may reach 8 ft. or more. Seedheads attract finches and other songbirds. The foliage and flowers are excellent in flower arrangements.

Where Should I Start?

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Where Can I Find This Plant in Nature?

Learn about the Native Environment(s) inhabited by the plants in this database.

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