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Jessie Keith
(Carmichael's Monkshood)
Autumn flowered monkshood is a tuberous-rooted perennial originally from China and valued for its late season bloom. The leaves are produced in mounds and are delphinium-like, dark green, deeply dissected, toothed and have a leathery texture. Deep blue-violet flowers, each curiously shaped like a helmet or hood are produced atop leafy, tall, stately spikes in late summer and fall.
Plant monkshood in evenly moist but not wet soil. Full sun to partly shady locations are preferred. Monkshood grows...
JC Raulston Arboretum at NC State University
(Carmichael's Monkshood)
Autumn flowered monkshood is a tuberous-rooted perennial originally from China and valued for its late season bloom. The Arendsii group hybrids are known for their compact, sturdy flower spikes, large leaves and azure-blue blooms. The leaves are produced in mounds and are delphinium-like, green, deeply dissected, toothed and have a leathery texture. Deep blue flowers, each curiously shaped like a helmet or hood are produced atop leafy, tall, stately spikes in late summer and fall.
Plant monkshood...
Jesse Saylor
(Sweet Flag)
Calamus is an herbaceous perennial that is native throughout much of the United States and Canada. It has inconspicuous flowers and is grown primarily for its tall, upright, broad, iris-like foliage. One particularly attractive cultivar is 'Argenteostriatus', which has beautifully variegated leaves. These plants spread by rhizomes and grow best in moist boggy areas with full to partial sun. Semi-aquatic in nature, calamus works well in naturalistic plantings along waterways or in gardens with moist...
Gerald L. Klingaman
(Striped Sweet Flag, Sweet Flag)
Striped sweet flag, or striped calamus, is an herbaceous perennial that is native throughout much of the United States and Canada. It has inconspicuous flowers and is grown primarily for its tall, upright, iris-like foliage that is beautifully variegated with cream striations. These plants spread by rhizomes and grow best in moist boggy areas with full to partial sun. Semi-aquatic in nature, striped sweet flag works well in naturalistic plantings along waterways or in gardens with moist fertile soil.
Jesse Saylor
(Striped Sweet Flag, Sweet Flag)
Striped sweet flag is an herbaceous perennial that is native throughout much of the Northern Hemisphere. It has inconspicuous flowers and is grown primarily for its tall, upright, broad, iris-like foliage. Acorus calmus 'Variegatus' has very showy white bordered leaves. These plants spread by rhizomes (underground stems) and grow best in moist boggy areas with full to partial sun. Semi-aquatic in nature, sweet flag works well in naturalistic plantings along waterways or in gardens with moist,...
Jesse Saylor
(Grassleaf Sweet Flag, Oborozuki Sweet Flag)
Oborozuki sweet flag is a perennial native to Japan. It is grown for its neat clumping habit and grass-like foliage, which is aromatic when crushed. Unlike the wild-type sweet flag, the cultivar Oborozuki sweet flag is compact and has attractive variegated leaves that are streaked with with golden yellow. This perennial is easy to grow if provided with rich evenly moist soil and full to partial sun. Plant in boggy gardens or in fertile beds and borders. These plants will not tolerate deep standing...
James H. Schutte
(Grassleaf Sweet Flag, Ogon Sweet Flag)
Ogon sweet flag is a perennial native to Japan. It is grown for its neat clumping habit and grass-like foliage, which is aromatic when crushed. Unlike the wild-type sweet flag, the cultivar Ogon sweet flag has attractive variegated leaves of pale green streaked with cream. This perennial is easy to grow if provided with rich evenly moist soil and full to partial sun. Plant in boggy gardens or in fertile beds and borders. These plants will not tolerate deep standing water.
