Prairie Dock
Magnificent Silphium genus, it displays its bright yellow flowers on tall stems in late summer. Grows easily from seed, and is at home on a wide variety of soils, from moderately dry to moist. Excellent for tough clay soils. Birds love the seeds. Good height for the rear of the border. Also excellent for naturalizing...
Botanical Name: Silphium terebinthinaceum
Nom Français: Silphium


Bloom colour: Yellow
Blooms: Summer - Zone 5
Pollinators: Bees | Birds | Butterflies
Sun or Shade: Full Sun
Plant Type: Perennial
Height: Up to 9+ feet (3.5 meters)
It grows well in hardiness zones: 4 to 8


Prairies and meadows
Water requirement: Medium


A low maintenance, hardy plant, it is easily grown in average, medium, well-drained soils in full sun. Tolerates poor soils. 


Spread: Up to 1 meter


Native to Canada

Styling and Use

A long list of companion plants, many options based on desired height and colour arrangements


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