Family: Hypericaceae

Scientific Name: Hypericum pyramidatum

Common Name: Giant St. John's-wort, Great St. John's Wort.

DescriptionA tall spreading Hypericum that grows best on moist sites.
Pronunciation(hy-PER-ee-kum)
Plant TypeAll Plants, Wild Flowers
Hardiness Zone4
Sunlightfull, light shade
Moistureaverage, moist, wet
Soil & Siteaverage, well drained, moist, wet
Flowersyellow, 2-2.5 inches, 5 golden yellow petals, many yellow stamens with red tips form the center cluster
Fruitseed capsule up to 1¼" long
Stemsrhizomatous
Dimensions3-5 feet tall, forms colonies
Propagationdivision, seeds
Misc FactsHypericum: ancient Greek name derived from hyper, "above," and eikon, "picture," from old practice of placing flowers above an image in the house to ward off evil spirits at the midsummer festival of Walpurgisnacht, which later became feast of St. John.
Notes & Reference#152B-The Flora of Wisconsin (wisflora.herbarium.wisc.edu), #153-Illinois Wild Flower (www.illinoiswildflowers.info), #191-Minnesota Wild Flowers (www.minnesotawildflowers.info)
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