St John's Wort, GREATER (Hypericum ascyron pyramidatum) - 100 Seeds
•American Grown Seeds
•US Native Wildflower
•USDA Zones: 3-7
This species of St John's Wort features tall plants, and large yellow flowers. The perennial is very easy to grow and is often grown for medicinal purposes. While the general shape of this flower resembles other St. John's-wort species, the size of the flower sets Great St. John's-wort apart from the rest. According to Flora of North America, there are at least 3 subspecies of Hypericum ascyron, but apparently only subsp. pyramidatum is present in North America. St John's Wort has a tremendous history as a medicinal herb.
Direct sow in the fall, pressing the tiny seeds in the surface of rich soil and sprinkling a very thin layer of soil on top; this seed needs light to germinate. Mixing the seed with a small amount of sand may help in seed distribution. For spring planting, mix the seed with moist sand and store it in the refrigerator for 60 days before planting. To start indoors, sow seeds in a flat, keeping the soil lightly moist and at a temperature of 65-70 degrees F until germination. Transplant seedlings outdoors as soon as they can safely be handled.
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