Also naturalised beyond its native range in Europe, in western USA (i.e. 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). Etymology. Native/Non-native – Native Hardiness Zone – 5-7 Sun – Full sun to partial sun Moisture – Average to moist Size – 15-18″ height x 24″ spread Comments * Profuse yellow flowers * Widely used dependable ground cover. Flowers, yellow, solitary, almost flat, 7.5 cm across, bloom June-Oct. Sun and part shade, will grow in any reasonably well drained soil. Hypericum calycinum (Great St. John's-wort, Jerusalem Star), widely cultivated. Native to (or naturalized in) Oregon: No. 'Brigadoon' is stoloniferous and may be propagated by seed, division or terminal cuttings. Hypericum calycinum Aaron's Beard, Creeping St. John'swort. Native to (or naturalized in) Oregon: No. Secretly I think the other flowers . Type: Broadleaf. Bright yellow flowers in summer. Zone: 5 to 9: Sun: Full to partial sun: Plant Characteristics. Deep green, oval leaves and 2" gold flowers with pincushion-like, center-clustered stamens in late spring and early summer. This is considered a herbaceous perennial plant that is native to Europe and Asia. The plant is my native Hypericum prolificum, Shrubby St. John’s Wort, in the Clusiaceae Family (St. John’s Wort Family). There are over 490 species of Hypericum worldwide. Family: Hypericaceae: Type: Groundcovers evergreen: Native: NO: Plant Requirements. Hypericum calycinum 'Golden Rule' (St. John's Wort) is a small shrub noted for its colorful foliage. Often used as groundcover and in areas with erosion. Many are native to the United States but one is considered a weed by farmers. Drought, dry soil tolerant, it spreads quickly via underground stems to be a perfect erosion control. Pronunciation: hi-PER-i-kum kal-e-SI-num. It is much more frequent in cultivation and increasingly occurs as a garden escape or throw-out on refuse tips, in wood margins, etc. Hypericum × inodorum Mill.. Synonyms: H. elatum Ait.;H. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Tolerates fairly dry and alkaline soils. Overview; Gallery; Names; Classification; Records; Literature; Sequences; Data Partners + Online Resources. H. calycinum was introduced into Britain in 1676, but not recorded from the wild until 1809. The plant is self-fertile. Hypericum calycinum is an evergreen Shrub growing to 0.3 m (1ft) by 1 m (3ft 3in) at a fast rate. Pl. 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. Skip to main content Featured: Lysimachia arvensis ... Hypericum calycinum L. appears in other Kew resources: IPNI - The International Plant Names Index. Hypericum calycinum, a dicot, is a shrub that is not native to California. Leaves slightly to strongly aromatic when crushed, deep green, 1 1 ⁄ 2 to 3 in. Bulgaria to NW. Common name: Creeping St. John's Wort . long, ovate, blunt or rounded at the tip, sessile. Native to Southern Europe, southwestern Asia. Dec 10, 2018 - Hypericum calycinum Brigadoon is just the plant you're looking for to brighten up lightly shaded areas. K000696082: Bibliography. Cooper. Scientific name: Hypericum calycinum: Taxonomy. Aaron's Beard . are jealous of this wonderful native plant. 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 … It is hardy to zone (UK) 6. Stems, 12-18 inches ( 30-45 cm ) with a slightly larger spread to 24 inches 30-45. 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