Easily grown in organically rich, humusy, slightly alkaline, medium moisture, well-drained soils in part shade to full shade. Prefers light to moderate shade. Although the foliage is evergreen, it may become scorched and tattered in extremely harsh winters, particularly if not sited in locations protected from cold winter winds and/or insulated by snow cover. Cut back flowering stems after bloom to promote new foliage growth. This patented hybrid is reportedly sterile.
Helleborus 'Walhelivor' is commonly sold in commerce by the trade name of IVORY PRINCE. It was selected in 1995 in Sussex, England from a controlled breeding program designed to produce new helleborus plants that exhibited vigorous growth, upright form and flatness of flowers. IVORY PRINCE is a complex hybrid whose parents are unknown. It is a bushy, clump-forming perennial that typically grows to 12-18" tall. It is noted for its burgundy-pink flower buds, its late winter bloom of creamy white flowers and its glossy, leathery, evergreen, medium green leaves. Outward-facing, cup-shaped, creamy white flowers (to 2-3” diameter) with overlapping petals bloom atop reddish stems from late winter to mid-spring (March to May in St. Louis). Flowers acquire pink tones with age. Evergreen compound leaves are deeply lobed and divided into 3-7, narrow, lance-shaped to elliptic, usually-toothed leaflets per leaf. Leaves, stems and roots are poisonous.
Flattened, outward facing, ivory white flowers with overlapping petals bloom atop bright burgundy-red stems from late winter to early spring on this bushy, compact, evergreen perennial that 12-18 inches tall. Flowers develop chartreuse and rose tinting as they age. Best performance occurs in moist, humus-rich soils in part to full shade. Glossy, leathery, deeply-lobed, evergreen leaves with subtle silver veining form attractive foliage clumps throughout the year. Mass or group this late-winter bloomer in prominent locations along walks, patios or under windows so that the flowers may be enjoyed to their fullest.
No serious insect or disease problems. Crown rot and leaf spot are occasional problems.
Flowers that bloom in March in St. Louis are true harbingers of spring. Best planted in large groups. Locate plants near a kitchen window, patio or walkway so that the early bloom may be enjoyed to the fullest. Group in shady locations under trees, large shrubs or in woodland gardens. Mass for an attractive year round ground cover.
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Missouri Botanical Garden
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