PlantFiles: Japanese Windflower, Japanese Anemone, Japanese Thimbleflower Anemone hupehensis 'September Charm'
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Hardiness: USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F)
On Jul 19, 2012, ridoodles from Warwick, RI (Zone 6b) wrote:
This grows well in Rhode Island. planted 3 yrs ago and has survived very cold winters. Ours has grown larger and fuller ea. yr. Now stands 3 ft. by 2 -3 ft. Blooms are white about 1 inch wide at the top growing on thin sturdy stalks that are about 5-6" taller than leaves. Blooms end of July. Leaves are large and flowing. Makes a great filler plant along an ugly fence or in an empty spot. Requires moderate amts of sun.Ours gets filtered sun,located under birch trees, Drought tolerant. I never water this. Smaller plants sprouting nearby, it self seeds but is easy to control,by identifying leaves on baby plants, I just pluck plants out I don't need or want. Sprouts out of the ground in spring again.
On Aug 28, 2008, cedar18 from Lula, GA (Zone 7b) wrote:
After years of nothing happening with this plant, I have finally moved it two very different locations and it is blooming in both and looks great. One is in shade until mid to late afternoon; the other gets about 3 hrs of late morning, midday sun then shade. Very pretty and welcome blooms at this time of year.
On Oct 6, 2004, dlyn from Berkshire, NY (Zone 5a) wrote:
A must have for late season color. The form is very nice all summer and it blooms here in Upstate NY in late August through October. Leave a bit of room for it to spread out.
This plant has been said to grow in the following regions:
Vincent, Alabama Boulder Creek, California San Leandro, California Lula, Georgia Saint Charles, Illinois Beverly, Massachusetts Mashpee, Massachusetts Sandwich, Massachusetts Shelburne, Massachusetts Dearborn Heights, Michigan Owosso, Michigan Pinckney, Michigan New Vernon, New Jersey Berkshire, New York Sand Lake, New York Clyde, Ohio Galena, Ohio Warwick, Rhode Island Farmington, Utah Fort Valley, Virginia Lexington, Virginia Seattle, Washington Franklin, Wisconsin