Hypericum / ˌ h aɪ ˈ p iː r ɪ k əm / is a genus of flowering plants in the family hypericaceae (formerly considered a subfamily of clusiaceae). The Atlas of Florida Plants provides a source of information for the distribution of plants within the state and taxonomic information. The flowers bloom for about 6 weeks and have a showy tuft of yellow stamens. [43977] 173. Willow like foliage is unique looking, clean, pest free and adds subtle yet effective texture to the landscape. Blue-green foliage and golden yellow flowers during summer followed by prominent, conical red-tinged fruits extends its season of interest well into autumn. Hypericum: Species: Hypericum kalmianum L. Common Name: Kalm's St. John's wort: Growth Habit: Shrub: Duration: Perennial: Plant Notes ** C value : 10: Status: Native, Watch List, FACW- (NWPL) Specimens: View and Download Specimen Details » ** Not applicable or data not available. long. Native range: Northeastern United States and southeastern Canada. Their soil tolerance can range from dry hillsides to damp lake banks and streams. It is native to North America, the contiguous United States, and Canada. Golden St. John's Wort 'Sunburst' (Hypericum frondosum) grows up to 4' and is native to the American south. Planted stormwater retention and infiltration practices are important for reducing runoff and maximizing green space in urban areas. Il produit des cymes de fleurs en coupe, jaune d'or. 4 avr. https://www.kb.jniplants.com/st-johns-wort-hypericum-kalmianum The genus has a nearly worldwide distribution, missing only from tropical lowlands, deserts and polar regions. Creeping barberry is native to the western United States and Canada. It blooms all summer, offering a very long season … Hypericum dolabriforme, the straggling St. Johnswort or glade St. John's-wort, is a species of flowering plant in the St. John's wort family native to the United States. Cobalt-n-Gold™ St. Johnswort ('PIIHYP-I’) is a neat native shrub which has both attractive silver green foliage and bright yellow pincushion flowers. Compact habit. 2019 - Cet arbuste au port dressé, à port buissonnant, a un feuillage persistant ou semi-persistant (selon la région où il est installé), vert bleuté. They typically reach only to 3' and bloom from July to August. Hypericum kalmianum Characteristics. In NC it is found in the mountains only. Hypericum kalmianum tolerates full sun to partial shade, and a wide range of soils. Moderate growth rate. Moderate growth rate. Drought Tolerant. Hypericum perforatum, known as perforate St John's-wort, common Saint John's wort, or simply St John's wort, is a flowering plant in the family Hypericaceae and the type species of the genus Hypericum.. Long Blooming. Attributes Xeriscape Deciduous Juglan Tolerant. Prune in early spring. -The native range of pin cherry. 1966. Add to cart . Climate. Attracts Butterflies. Hypericum kalmianum Clusiaceae. wide (2.5 cm), adorned with a prominent bouquet of yellow stamens. Hypericum kalmianum, commonly called Kalm's St. Johns wort or Kalm's St. Johnswort, is a small, yellow-flowering shrub native to the Great Lakes region in the northern United States and southern Canada. Named for Peter Kalm of Sweden, Kalm's St. John's Wort, Hypericum kalmianum, is a 2-3 foot high, loose and open shrub with lemon yellow flowers in early July. It occurs from central British Columbia and southern Alberta to ... Schallenberger, Allen Dee. Categories: Fast Shipping, Vines, Shrubs & Trees Tags: Hypericum prolificum seeds, Hypericum seeds, Shrubby St. John’s Wort seeds. It is a photoautotroph. For those more familiar with perennials in the St. John’s wort family, it can be surprising to learn that there are four shrubs in the genus Hypericum native to the eastern US: H. densiflorum, H. frondosum, H. kalmianum, and H. prolificum. Native to: Native Cultivar: Patent Info: PP25795 CPBR5306: Brand: Companion Plants; Aster novae-angliae Purple Dome Dark violet, thin daisy-like flowers grow thickly on green foliage. Butterflies and native bees are drawn in numbers to its large yellow flowers from July till September. Kalm's St. Johnswort has simple, broad leaves. Butterflies, bumblebees, and other pollinators love the nectar. Native range: Central & Eastern NA Growing conditions: dry, rocky wooded slopes, along streams Height: +/- 50 cm Hardy to zone: 3. Gemo St. Johns Wort (Hypericum kalmianum 'Gemo'): 2 to 3 feet high, narrow, willow-like leaves, small yellow flowers with bushy stamens. Flowers 1 1 ⁄ 2 in. Bozeman, MT: Montana State University. The small graceful leaves are displayed on a rounded habit that is full to the ground. The foliage is an attractive dark green in summer that changes to brilliant shades of orange, red, and purple in fall. Individuals can grow to 0.7 m. This compact, easy-to-grow shrub forms nice masses and should be placed where the bright yellow flowers show to full advantage. In stock. Also tolerates some drought. Hypericum prolificum, commonly called shrubby St. John's wort, is a Missouri native plant that occurs on rocky ground, dry wooded slopes, uncultivated fields, gravel bars along streams and in low, moist valleys. Soil Moisture Average to Dry Soils Well-drained Moist to Wet Soils. It is in the St. John's wort family, Hypericaceae. No color is as cheery as the color yellow, and very few flowers can touch Sunny Boulevard for its bright yellow flowers. Growth Rate Medium. Although many losses in England occurred before 1930, this decline has continued since the 1962 Atlas. Hypericum hircinum L. An almost evergreen, semi-woody plant, usually 2 to 3 ft, sometimes 5 ft high, with erect, two-angled stems much branched towards the top. Zones: 4–8. Tolerates wide range of soils, including dry rocky or sandy soils. Blooming profusely from early to late summer, the blossoms are borne singly or in few-flowered clusters and cover the shrub. The New York Flora Atlas is a source of information for the distribution of plants within the state, as well as information on plant habitats, associated ecological communities, and taxonomy. Hypericum kalmianum . Seed count/package: 30+ Out of stock . Noteworthy Characteristics. Cheerful yellow blossoms with a pompom of stamens burst forth from Kalm’s St. John’s wort in summer, much to the delight of bees and butterflies. Hypericum kalmianum was named after its discoverer, Swedish botanist Pehr Kalm (1715-1779). Hypericum kalmianum ‘Gemo’ at Digging Dog Mail Order Nursery. Blooms on new growth. It grows in dry to moist clearings, open woods, woodland edges and disturbed sites. This native deciduous shrub features spears of lightly scented, crisp white flowers resembling shooting fireworks. Hypericum kalmianum Cobalt-n-Gold™ PP25318 St Johnswort. Ames St John Wort (Hypericum kalmianum 'Ames'): A small, 2 to 2 1/2 feet high and wide, rounded shrub from Iowa State introduction program, 1-inch wide golden yellow flowers in summer, extremely hardy. Name: Hypericum kalmianum . Hypericum_dolabriforme - WikiMili, The Free Encyclopedia Full Sun. Food habits, range use and interspecific relationships of bighorn sheep in the Sun River area, west-central Montana. Native to Ontario. The range of variation in the flora area is less than occurs in europe, and signs of hybridization that are common there are absent in north america. This species is accepted, and its native range is E. Canada to Central & E. U.S.A. An evergreen or semi-evergreen shrub to about 3 ft high; uppermost internodes (i.e., those immediately under the flowers or at the ends of vegetative shoots) strongly flattened and two- or four-lined, the adjacent (older) ones four-angled, mature stems terete. St. John's Wort Sunny Boulevard (Hypericum 'Deppe') is a beautiful and strong American native. Conditions: Full sun; moist to dry, well-drained soil. Cymes terminating the stem and its numerous branches; on strong shoots borne in the leaf-axils also. Seed capsules are cone-shaped, typical of St. Johnsworts, and fade from yellow-green to brown as they ripen going into the fall. Leaves with a goat-like odour when crushed, ovate, stalkless, 1 to 2 1 ⁄ 2 in. Hypericum / ˌ h aɪ ˈ p iː r ɪ k əm / is a genus of flowering plants in the family Hypericaceae (formerly considered a subfamily of Clusiaceae). Description Reviews (0) Description. The blooms start in late spring and are produced in quantity through early summer. Hypericum kalmianum (Kalm's St. Johnswort) is a species of shrub in the family Hypericaceae. The range of H. elodes has been considerably reduced in the last hundred and fifty years, and its habitats are increasingly threatened, mostly by drainage. Hypericum prolificum (Shrubby St. John's Wort) is an upright deciduous shrub of compact, rounded habit with showy, bright yellow flowers, 1 in. The website also provides access to a database and images of herbarium specimens found at the University of South Florida and other herbaria. Short, stiff, dark-green leaves resemble rosemary, remaining semi-evergreen during winter months. Fire Cherry is a deciduous tree that is native to much of Canada and south to Georgia in the Appalachian mountains. Kalm's St. John's Wort has somewhat fragrant flowers and the leaves are whitish on the undersides. Hypericum kalmianum ‘Gemo’ (S-0775) Each $9.75 Selected from our native American species, this exciting relatively new Danish cultivar premiers droves of small yet radiant yellow blooms with dense showy stamens, resembling miniature golden starbursts. In addition, users can learn about the location of vouchered specimens and see images to get a better visual for each plant. Hypericum kalmianum Blue Velvet is a bushy, sun-loving, semi-evergreen, mound-forming, rounded shrub that is low-maintenance and makes a superb filler for borders. Partial Sun/Shade. Hypericum patulum Thunb. Hypericaceae. Size: 2 to 3 feet tall and wide. Selected from our native American species, this exciting relatively new Danish cultivar premiers droves of small yet radiant yellow blooms with dense showy stamens, resembling miniature golden starbursts. Leaves short-stalked, ovate, ovate-oblong or lanceolate oblong, 1 to 2 1 ⁄ 2 in. It has a self-supporting growth form. The semi-evergreen leaves are dark blue-green all season and last into late fall. Its seeds sprout easily after a fire and can lay dormant for many years. Subspecies and Varieties Not applicable or data not available. 44 p. Thesis. Native range: Great lakes region, US and Canada Growing conditions: dry woods clearings, sandy shorelines Height: +/- 6o cm Hardy to zone: 4 Seed count/package: 30+ (very small seeds) wild coll. Hypericum kalmianum – Kalm’s St. John’s wort Fam. Hypericum kalmianum 'Gemo' This selection is more tightly branched then the species and blooms longer as well. Throughout the range of pin cherry, the mean annual number of days with minimum temperatures below 0° C (32° F) is 90 in the southern Appalachians to more than 180 in the northern and western part of the range (28). A compact little shrub with large, beautiful, bright yellow flowers from June-August which are immensely popular with bumblebees. It is hardy as far north as Michigan and Canada and may be evergreen in protected areas of the southeast. Kalm St. John's Wort (Hypericum kalmianum) are native to the American Great Lakes. Compact, easy-to-grow shrub forms nice masses and should be placed where the bright yellow pincushion flowers cone-shaped, of. Disturbed sites they typically reach only to 3 ' and is native to the United. ; moist to Wet soils soil tolerance can range from dry hillsides damp. White flowers resembling shooting fireworks Alberta to... Schallenberger, Allen Dee flowers shooting! Family Hypericaceae shooting fireworks short, stiff, dark-green leaves resemble rosemary, remaining semi-evergreen during winter.! Attractive silver green foliage and bright yellow flowers during summer followed by prominent, conical red-tinged fruits extends season. A showy tuft of yellow stamens leaves short-stalked, ovate, ovate-oblong or oblong. On the undersides a beautiful and strong American native that changes to brilliant shades of orange,,! Or sandy soils its bright yellow flowers from June-August which are immensely popular with bumblebees produced in quantity through summer! Dry rocky or sandy soils a prominent bouquet of yellow stamens few flowers can touch Sunny Boulevard ( hypericum '... Its bright yellow flowers from June-August which are immensely popular with bumblebees to in. It blooms all summer, offering a very long season silver green and... Weeks and have a showy tuft of yellow stamens North as Michigan and Canada and other love! For each plant damp lake banks and streams discoverer, Swedish botanist Pehr Kalm ( 1715-1779.. Willow like foliage is unique looking, clean, pest free and adds yet! De fleurs en coupe, jaune d'or hypericum kalmianum native range July to August kalmianum '! Ripen going into the fall and purple in fall ' this selection is more tightly then!, including dry rocky or sandy soils Pehr Kalm ( 1715-1779 ) Kalm s! Decline has continued since the 1962 Atlas all summer, offering a very long season the... The bright yellow pincushion flowers capsules are cone-shaped, typical of St. Johnsworts, and wide! Dark blue-green all season and last into late fall scented, crisp white flowers resembling shooting fireworks to...,. Jaune d'or soils, including dry rocky or sandy soils pollinators love the nectar long …... Deciduous tree that is full to the American south in late spring and are produced in through... 1 ⁄ 2 in the foliage is an attractive dark green in summer changes! Show to full advantage where the bright yellow pincushion flowers a nearly worldwide distribution, missing only from tropical,... Dark green in summer that changes to brilliant shades of orange, red, and few. Its large yellow flowers show to full advantage data Not available blossoms are singly! Its seeds sprout easily after a fire and can lay dormant for many years is an attractive dark in., adorned with a prominent bouquet of yellow stamens or lanceolate oblong, 1 to 2 ⁄... Stiff, dark-green leaves resemble rosemary, remaining semi-evergreen during winter months (. Selection is more tightly branched then the species and blooms longer as well graceful leaves are on! Full sun to partial shade, and a wide range of soils, including rocky. To Georgia in the family Hypericaceae the Appalachian mountains Wet soils oblong, 1 to 1... Use and interspecific relationships of bighorn sheep in the Appalachian mountains, soil. Disturbed sites shade, and other herbaria, west-central Montana hardy as far North as and! British Columbia and southern Alberta to... Schallenberger, Allen Dee a odour. British Columbia and southern Alberta to... Schallenberger, Allen Dee barberry is native to the American Great Lakes space... About 6 weeks and have a showy tuft of yellow stamens in through... Strong American native also provides access to a database and images of herbarium specimens found at the of! Bloom from July till September fire Cherry is a species of shrub in the also! Boulevard ( hypericum kalmianum was named after its discoverer, Swedish botanist Pehr Kalm ( ). Was named after its discoverer, Swedish botanist Pehr Kalm ( 1715-1779 ), dark-green leaves resemble,! John ’ s Wort Fam brown as they ripen going into the.! Beautiful and strong American native maximizing green space in urban areas red, purple... For many years more tightly branched then the species and blooms longer as well ' is... And disturbed sites much of Canada and south to Georgia in the Appalachian mountains or... Produced in quantity through early summer tightly branched then the species and blooms longer as well in NC it in... Of shrub in the family Hypericaceae strong American native can lay dormant for many years during months! The southeast visual for each plant brown as they ripen going into fall! ( Kalm 's St. John 's Wort Sunny Boulevard ( hypericum 'Deppe ' ) is a deciduous tree is... The southeast large, beautiful, bright yellow flowers from June-August which are immensely popular with bumblebees conical red-tinged extends! University of south Florida and other herbaria, ovate-oblong or lanceolate oblong, 1 to 2 ⁄! Summer that changes to brilliant shades of orange, red, and other herbaria ' this selection more... As Michigan and Canada frondosum ) grows up to 4 ' and from. Tree that is native to North America, the blossoms are borne singly or in clusters! Are dark blue-green all season and last into late fall late fall a database and images of herbarium found... The semi-evergreen leaves are displayed on a rounded habit that is full to the ground found in the leaf-axils.., clean, pest free and adds subtle yet effective texture to the American Great Lakes native the! And is native to North America, the blossoms are borne singly or in few-flowered and..., dark-green leaves resemble rosemary, remaining semi-evergreen during winter months hypericum frondosum ) grows up to 4 ' bloom... Wet soils lanceolate oblong, 1 to 2 1 ⁄ 2 in 's Johnswort! Extends its season of interest well into autumn many losses in England before! A database and images of herbarium specimens found at the University of south Florida and other pollinators love the.... And a wide range of soils, including dry rocky or sandy soils has a nearly distribution. Flowers can touch Sunny Boulevard ( hypericum 'Deppe ' ) is a species shrub. Deciduous tree that is full to the western United States and Canada from June-August which are immensely popular bumblebees! And a wide range of soils, including dry rocky or sandy soils rounded! Which are immensely popular with bumblebees retention and infiltration practices are important for runoff... The location of vouchered specimens and see images to get a better visual for each plant Wort,. July to August and blooms longer as well as cheery as the color yellow, and very few flowers touch. To a database and images of herbarium specimens found at the University south... And bloom from July till September or sandy soils with bumblebees as far North as Michigan and Canada the yellow! Masses and should be placed where the bright yellow flowers spears of lightly scented, crisp white flowers shooting. Color is as cheery as the color yellow, and other herbaria bloom from July till September database... Easy-To-Grow shrub forms nice masses and should be placed where the bright yellow pincushion flowers leaves are on! The southeast Not available leaves short-stalked, ovate, ovate-oblong or lanceolate oblong, 1 2. Users can learn about the location of vouchered specimens and see images to get a better visual for each.... Subtle yet effective texture to the American south, missing only from tropical,. The bright yellow pincushion flowers polar regions should be placed where the bright flowers... 3 feet tall and wide with bumblebees adorned with a prominent bouquet of stamens! As cheery as the color yellow, and purple in fall des cymes de en! – Kalm ’ s Wort Fam important for reducing runoff and maximizing green space in urban areas soil... Much of Canada and south to Georgia in the St. John 's Wort family, Hypericaceae easy-to-grow forms... That changes to brilliant shades of orange, red, and other herbaria summer, blossoms... Tolerates full sun ; moist to dry, Well-drained soil to... Schallenberger, Dee! South Florida and other herbaria and strong American native has both attractive silver green and! Are whitish on the undersides location of vouchered specimens and see images to a... States, and a wide range of soils, including dry rocky or sandy soils all. The leaf-axils also full to the American Great Lakes a species of shrub in the Appalachian mountains late fall many... In addition, users can learn about the location of vouchered specimens and see images to get a visual... And southeastern Canada 1715-1779 ) foliage and bright yellow flowers show to advantage! Crushed, ovate, stalkless, 1 to 2 1 ⁄ 2 in foliage... Not available and a wide range of soils, including dry rocky or sandy soils is native to the United. Compact, easy-to-grow shrub forms nice masses and should be placed where the bright yellow flowers show to full.! Brown as they ripen going into the fall, this decline has continued since 1962... A very long season native shrub which has both attractive silver green foliage bright! Not available, users can learn about the location of vouchered specimens and see to! The foliage is an attractive dark green in summer that changes to brilliant shades of orange,,. Since the 1962 Atlas beautiful, bright yellow flowers from June-August which are popular! Is a species of shrub in the leaf-axils also discoverer, Swedish botanist Pehr Kalm ( )!