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Family: Hemerocallidaceae (hem-er-oh-kal-id-AY-see-ee) (Info) Genus: Hemerocallis (hem-er-oh-KAL-iss) (Info) Cultivar: Black Eyed Susan Hybridized by Stevens; Year of Registration or Introduction: 1983
Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) 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) USDA Zone 9a: to -6.6 °C (20 °F) USDA Zone 9b: to -3.8 °C (25 °F)
Sun Exposure: Full Sun Sun to Partial Shade
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
This plant blooms its heart out in my front yard where it gets full sun till about 5 in the evening. In 6 years, it has yet to disappoint. In my yard, it blooms from July to early August, with a little rebloom. I wish all daylilies were as profuse and dependable as Black Eyed Susan. I give it a dose of 4-10-10 every March to get it started.
On Mar 14, 2005, sybiltwo from Excelsior, MN (Zone 4a) wrote:
This one is one of my most consistant rebloomers here in my zone 4 garden. It is one of the first to bloom and one of the last to still be blooming. It's a regular "Energizer Bunny".
On Jul 1, 2003, mystic from Ewing, KY (Zone 6a) wrote:
Last year was the first year for me with this one. I liked it then but really love it this year it's been a good bloomer. The color has more of a orange tint to it this year. Could be the weather we have had this year.
Regional...
This plant has been said to grow in the following regions:
Loveland, Colorado Norwich, Connecticut Trenton, Florida Ewing, Kentucky Coushatta, Louisiana Durham, Maine Linthicum, Maryland Gladwin, Michigan Excelsior, Minnesota Minneapolis, Minnesota Auburn, New Hampshire Nelson, New Hampshire Ravenna, Ohio Linden, Virginia Penhook, Virginia Richmond, Virginia Bothell, Washington Kalama, Washington Marion, Wisconsin Tomah, Wisconsin Bessemer Bend, Wyoming
2 vendors have this plant for sale.
