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)
On Oct 18, 2003, TerriFlorida from Plant City, FL wrote:
HYPERION persists here in west central Florida, zone 9b. It has only managed to bloom once, but that was enough to make me love it, grin. I've grown it since '96, and moved it when I moved the rest of the collection. I actually have an older daylily cultivar, but it is much newer (to me) and has not bloomed yet.
On Jan 21, 2003, poppysue from Westbrook, ME (Zone 5a) wrote:
Mead FB (1924) 40" tall, Fragrant
Hyperion has stood the test of time. This oldie is vigorous, dependable and has a wonderful fragrance.
This plant has been said to grow in the following regions:
, (3 reports) Kenai, Alaska Bella Vista, Arkansas Sherwood, Arkansas San Diego, California Wildomar, California New Milford, Connecticut Boyette, Florida Jacksonville, Florida Plant City, Florida Braselton, Georgia Cedartown, Georgia Hawkinsville, Georgia Blackfoot, Idaho Oldtown, Idaho Homewood, Illinois Moline, Illinois Mount Prospect, Illinois Round Lake, Illinois Logansport, Indiana Macy, Indiana Solsberry, Indiana Cedar Rapids, Iowa Hesston, Kansas Topeka, Kansas Dayton, Kentucky Ewing, Kentucky Salvisa, Kentucky Coushatta, Louisiana Ferriday, Louisiana Trout, Louisiana Cape Elizabeth, Maine Durham, Maine Salem, Massachusetts Weston, Massachusetts Caro, Michigan Dearborn Heights, Michigan Milford, Michigan St Paul, Minnesota Hoberg, Missouri Manchester, Missouri Big Timber, Montana Lincoln, Nebraska Auburn, New Hampshire East Freehold, New Jersey Marlton, New Jersey Los Alamos, New Mexico Roswell, New Mexico East Hampton, New York Kinderhook, New York Niagara Falls, New York (2 reports) Niskayuna, New York Rochester, New York Elizabeth City, North Carolina Fuquay-varina, North Carolina Morehead City, North Carolina Ravenna, Ohio Youngstown, Ohio Hulbert, Oklahoma Baker City, Oregon Prineville, Oregon Ashley, Pennsylvania Franklin Park, Pennsylvania Laflin, Pennsylvania Schwenksville, Pennsylvania Conway, South Carolina North Augusta, South Carolina Summerville, South Carolina Murfreesboro, Tennessee Cedar Park, Texas Channelview, Texas Conroe, Texas Mansfield, Texas Muniz, Texas Richmond, Texas Rowlett, Texas Anacortes, Washington Kalama, Washington Birchwood, Wisconsin Lake Lac La Belle, Wisconsin Marion, Wisconsin