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Seed Kits
Silphium-terebinthinaceum.gif

Silphium terebinthinaceum (Prairie Dock) Wildflower Seeds

In stock

Native SpeciesAverage to GrowFull SunPart SunMedium SoilAttracts ButterfliesResists DeerCut Flowers
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Product Description

Origin: US Native Wildflower

Other Common Names: Prairie Rosinweed

Duration: Perennial

Bloom Time: Fall

Height: 96 in to 120 in

Spacing: 12 in to 15 in

Light: Full Sun to Part Shade

Soil Moisture: Medium

USDA Zone: 4a-8b

Germination: No pre-treatment needed. Sow seeds on soil surface at 70F and water. Slow to germinate.

Seeds Per Oz: 1600

Sunflower like blooms perch on top of nearly leafless stems that reach heights of ten feet! The bright yellow flowers bloom in loose clusters on the upper parts of the plant from mid to late summer, and can reach three inches wide. The lower parts of the plant is where you will find the large, dark green, heart-shaped leaves. Expect to see bees and Ruby-Throated Hummingbirds at these showy blooms! Goldfinches will also visit as the seeds ripen!

Click Map to Zoom In
Note: Many wildflowers can grow in areas outside of their natural range.


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