Hypericum ascyron


Common Name: great St. John's-wort
Plant Type:Herbaceous
Light (original): part sun, sun
Light Requirements: Sun
Height:2 to 6 feet
Width:
Duration:Perennial
Habitat:Wetland
Soil Type:mesic to wet
Soil Moisture:Mesic, Wet
Seed Ripens:
USDA Zones:
Flower Colour:yellow
Bloom Time:mid to late summer
Comments:Found along the edge of rivers, streams and other wet places.
Germination:Seed will germinate within 4 weeks if sown at 70°F
Germination Notes:
Grow Notes:
Picture Copyright: Rich Dunbar @ USDA-NRCS PLANTS Database / USDA NRCS. 1995. Northeast wetland flora: Field office guide to plant species. Northeast National Technical Center, Chester, PA.