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This plant is said to grow outdoors in the following regions:
Smyrna, Tennessee
From the "Encyclopedia of Hydrangeas," (Van Gelderen -2004), " A dwarf to semidwarf shrub, with large flowerheads, usually red and not fa...Read Moreding. Flowering time is from June to July. Bred by E. Haller, Switzerland, in 1971." No hardiness zone noted.
From the "Encyclopedia of Hydrangeas," (Van Gelderen -2004), " A dwarf to semidwarf shrub, with large flowerheads, usually red and not fa...Read More