Skip to main content Featured: Lysimachia arvensis ... Hypericum calycinum L. appears in other Kew resources: IPNI - The International Plant Names Index. Knowing your plant’s native region is very useful, as it can give you tips on which environment is best for your St. John’s Wort. Family: Hypericaceae. Drought tolerant. Hardy in the US in Zones 5 to 10: UK H6. It is believed that the word hypericum comes from the Greek word “hyper” which means over and “eikon” or image and the name St. John’s wort seems to have been adopted as the flowers bloom around June 24th or St. John’s Day. Genus: Hypericum. One of the nicest groundcovers when in bloom. Hypericum calycinum. Height: 1 ft: Width: 2 ft: Bloom: Summer flowers: Bloom Time: July to August: Bloom Color: Yellow: Additional Characteristics. Hypericum calycinum (Great St. John's-wort, Jerusalem Star), widely cultivated. Fragmenta Phytomedica et Herbologica 31:100-103. Small shrub to about 18 inches (45 cm) with a slightly larger spread to 24 inches (60 cm). The genus Hypericum contains approximately 500 species which are divided into 36 sections as described by botanist Norman Robson. Hypericum calycinum 'Brigadoon' Growing and Maintenance Tips. click on a thumbnail to view an image, or see all the Hypericum thumbnails at the Plants Gallery ©G.A. Hypericum calycinum (Rose of Sharon). The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Summer flowering with cheery blooms, colourful fruits, aromatic foliage when crushed and good autumn colour. persistens F. Schneider; H. multiflorum Hort.. A sub-evergreen shrub up to 5 ft high, with slightly angled, branching stems. One of our best ground covers, the Brigadoon produces golden yellow green foliage with some tinges of red. The star-shaped flowers heads display a bushy array of stamens with red anthers that appear as a central tuft. Out of these, Hypericum androsaemum is extremely rare as a native species and only known from a small, rather disjunct area in Wallonia (Saintenoy-Simon 1985). Pl. Native to (or naturalized in) Oregon: No. 'Brigadoon' is stoloniferous and may be propagated by seed, division or terminal cuttings. Allan Armitage calls the species "one of the finest ground covers available" for good reason. hypericum: From the Greek hyper (above) and eikon (picture), the plant was hung above pictures to ward off evil spirits Back to top K000696082: Bibliography. Scientific name: Hypericum calycinum: Taxonomy. Etymology. Observation Search (120 records) Plant Characteristics. Secretly I think the other flowers . Hypericum calycinum (St. John's Wort) Blazing yellow flowers stand out against the green foliage of this semi-evergreen shrub. Also called Aaron's Beard, the sturdy branches easily support the 2 inch yellow Boething Treeland Farms grows over 1,200 varieties of trees, shrubs, perennials and specialty plants on ten California nurseries to serve the wholesale landscape and nursery industries throughout the Western United States and beyond. Saxifraga stolonifera (Creeping Saxifrage, Strawberry Geranium), native to Asia. Flowers, yellow, solitary, almost flat, 7.5 cm across, bloom June-Oct. Sun and part shade, will grow in any reasonably well drained soil. A widely used and attractive evergreen groundcover which is dense, but not invasive. Drought, dry soil tolerant, it spreads quickly via underground stems to be a perfect erosion control. Often used as groundcover and in areas with erosion. Hypericum calycinum . On top of all these colours, in the summer months, it produces golden-yellow flowers too. Hypericum calycinum 'Crowthyp' also known as Hypericum calycinum Carnival is a low, compact, evergreen shrub with a spreading habit, which is perfect for ground cover. PNW Plant Disease Management . Leaves slightly to strongly aromatic when crushed, deep green, 1 1 ⁄ 2 to 3 in. Many are native to the United States but one is considered a weed by farmers. This is considered a herbaceous perennial plant that is native to Europe and Asia. Family: Hypericaceae: Type: Groundcovers evergreen: Native: NO: Plant Requirements. Plant Type: Ground Covers / Shrubs Evergreen-Deciduous: Evergreen. Hypericum calycinum – St. Johns Wort ... Hypericum calycinum – St. Johns Wort. Pronunciation: hi-PER-i-kum kal-e-SI-num. Low-growing with creeping roots which form a close green carpet of leafy shoots, once established, Rose of Sharon will grow almost anywhere, it will grow in anything from poor to … Hypericum Hidcote (St. John's wort ‘Hidcort’). Notes. In summer, bright yellow flowers, 2 in. Deep green, oval leaves and 2" gold flowers with pincushion-like, center-clustered stamens in late spring and early summer. Shrub of two to four feet (60 cm to 1.2 m). Hypericum × inodorum Mill.. Synonyms: H. elatum Ait.;H. Category: Native Perennials. CHECK AVAILABILITY. Hypericum calycinum 'Golden Rule' (St. John's Wort) is a small shrub noted for its colorful foliage. Native to (or naturalized in) Oregon: No. Damp autumns also reduce seed-set, and seed and the rare seedlings suffer predation by sparrows. Zone: 5 to 9: Sun: Full to partial sun: Plant Characteristics. Rose-of-Sharon (Hypericum calycinum) is regarded as an environmental weed in Victoria, and as a potential environmental weed in other parts of south-eastern Australia. It is in leaf all year, in flower from June to September, and the seeds ripen from September to October. Cooper. California, Oregon and Washington) and in New Zealand. Hypericum calycinum Aaron's Beard, Creeping St. John'swort. Hypericum calycinum L. Rose-of-Sharon species Accepted Name authority: UKSI Establishment means: Non-native Establishment status: GB Establishment Status - Established. This species is accepted, and its native range is SE. The hypericums are readily recognized by their smooth-margined oval leaves borne in opposite pairs along upright, wiry stems, but mostly by their distinctive flowers, which are typically composed of five green sepals, five bright, satiny-yellow petals and numerous, slender, silken stamens surrounding a pear-shaped green ovary. Hypericum anagalloides is a native species that could be confused with H. perforatum, but the former is a species of moist to wet bogs, ditches, and lawns—sites that are more moist than where H. perforatum is typically found. A Pacific Northwest Extension Publication Oregon State University Washington State University University of Idaho . Semi-evergreen shrub, 2-5 ft (0.6-1.5 m) high, rounded shape. JSON; GBIF; Encyclopaedia of Life; Biodiversity Heritage Library ; PESI [counting] records This map contains both … Overview; Gallery; Names; Classification; Records; Literature; Sequences; Data Partners + Online Resources. Type: Broadleaf. It is much more frequent in cultivation and increasingly occurs as a garden escape or throw-out on refuse tips, in wood margins, etc. H. calycinum was introduced into Britain in 1676, but not recorded from the wild until 1809. Hypericum 'Hidcote', one of the most popular St. John's worts, is believed to have resulted from the hybridization of H. calycinum and H. X cyathiflorum, itself a hybrid between two other European species. There are over 490 species of Hypericum worldwide. It looks refreshingly nice with its variegated foliage of lemon and lime, and also the new growth on the plants is blushed with pink. The plant is my native Hypericum prolificum, Shrubby St. John’s Wort, in the Clusiaceae Family (St. John’s Wort Family). It is also present as a relic in old parks or near castles. Related Products. Overall Mature Size: Small. Hypericum calycinum, a dicot, is a shrub that is not native to California. Excellent on slopes, in mass, or individually. Also naturalised beyond its native range in Europe, in western USA (i.e. Rose of Sharon An attractive evergreen ground cover which is dense, but not invasive. Hypericum calycinum St. John's wort. Hypericum inodorum Miracle Grandeur. If you keep it in mind, you can try to replicate these conditions at home, and you’ll likely end with a healthier plant. & N. Turkey. Common name: Creeping St. John's Wort . long, ovate, blunt or rounded at the tip, sessile. Arranged along procumbent stems, the oval leaves emerge soft orange and buttery-yellow before turning to chartreuse-green. Leaves simple, opposite, triangular-lanceolate, about 4 cm long, dark green above, pale below. Unlike other varieties, its foliage will not revert to dark green. 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