Origin: US Native
Other Common Names:
Bloom Time: Summer
Height: 48” to 72”
Spacing: 18” to 24”
Light: Full Sun to Part Shade
Soil Moisture: Medium
USDA Zone: 2a-10b
Germination: No pre-treatment needed. Sow seeds on soil surface at 75F and water.
Seeds Per Oz: 205000
Reaching up to five feet in height with good sized blossoms, this is the largest of all St. John’s Worts! The blooms are bright yellow and star-shaped. These wildflowers are quite showy, and the carefree plant is very easy to grow!
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Note: Many wildflowers can grow in areas outside of their natural range.
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