Silphium laciniatum (Compass Plant) Wildflower Seed

Big-Wildflower-Pictures/Silphium-laciniatum.jpg

Origin: US Native

Other Common Names:

Duration: Perennial

Bloom Time: August-September

Height: 4' to 10'

Spacing: 18” to 24”

Light: Full Sun to Part Shade

Soil Moisture: Medium to Dry

USDA Zone: 3a-9b

Germination: Fall plant or cold stratify for 1 to 3 months for best results. Sow seeds just below the soil surface at 70F and water.

Seeds Per Oz: 660


Towering stalks up to nine feet high bear large yellow flowers with unusual green center cones. The basal leaves align themselves North and South, giving the plant its common name of Compass Plant. Also, pioneers and Indians chewed resin from the stems to freshen their breath! Excellent for naturalizing, these wildflowers also attract butterflies.

Silphium laciniatum  (Compass Plant) Distribution Map
Silphium laciniatum (Compass Plant) Wildflower Seed

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