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Seed Kits

Silphium perfoliatum (Cup Plant) Wildflower Seeds

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Native SpeciesAverage to GrowFull SunPart SunMedium SoilAttracts ButterfliesAttracts Hummingbirds

Product Description

Origin: US Native Wildflower

Other Common Names: Cup Plant, Indian Cup, Ragged Cup, Carpenter Weed

Duration: Perennial

Bloom Time: Fall

Height: 72 in to 96 in

Spacing: 15 in to 18 in

Light: Full Sun to Part Shade

Soil Moisture: Medium

USDA Zone: 3a-9b

Germination: Fall plant or cold stratify for 2 to 3 months for best results. Sow seeds just below the soil surface at 70F and water.

Seeds Per Oz: 2100

The perfect plant for attracting wildlife! The leaves of this sunflower like perennial form a cup that holds water. Birds and insects will often take advantage of this convenient source of drinking water! Seeking nectar, bees and butterflies will comes to the showy blooms of this wildflower, which in turn attract even more birds that are on the hunt for food! Numerous species of our feathered friends also enjoy the seeds, especially the much-loved Goldfinch.

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Note: Many wildflowers can grow in areas outside of their natural range.


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