This clear white semi-double has glossy and dished leaves. This is a fine plant for the landscape and also a good seed parent for those of you doing hybridization. 'Frost Queen' was selected by Dr. Ackerman for cold-hardiness in a field trial of plants originating in northern Japan.
Hardy to USDA Zone: 6b Growth rate: Average, upright/compact Blooms (NC): Mar to Apr Bloom size: Large, 4 to 5 inches
