By planting a St John’s Wort you will be adding three months of vibrant color to your landscape. Interesting Saint John’s wort varieties Hypericum andosaemum – This is the ideal specimen to set up low-lying evergreen hedges. It can often be found near meadow drainages, creeks, and foothills. Abundant bright yellow flowers bloom in summer. : Well-known herbal treatment for depression. St. John's Wort - Can refer to any species of Hypericum. The plant is used in herbal medicine as a treatment for depression, and there is some limited clinical evidence of its efficacy. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. St. John’s wort is toxic and should not be cultivated. The flowers are bright yellow and look almost tropical. Features 5-petaled, bright yellow flowers (to 1\" diameter) with numerous, yellow stamens. St. John's Wort may also interact adversely with other medications such as oral contraceptives, so make sure to consult your doctor before using. Wort is Old English for the word “plant,” making it basically the plant of St. John the Baptist. Light: St. John's Wort requires full sun or bright, filtered light. This plant grows tall, with the flowers growing at the upper half. The species name “perforatum” refers to the fact that the leaves of the plant are “perforated” or appear to have tiny holes which can only be seen on close inspection. It has become a noxious invasive species in southern Australia, South Africa, and North and South America. St. Paul's Wort – species of the genus Sigesbeckia, such as … The bright yellow flowers with a profusion of yellow stamens look like fireworks. Hypericum perforatum. You can grow St John's Wort and other Hypericum outdoors from seeds. 180 Veggie Capsules (Vegetarian,Non-GMO & Gluten-Free) 1950mcg Hypericin Saint Johns Wort for Mood & Nervous System Health Support* 4.5 out of 5 stars 1,854 $15.60 $ 15 . Members of the genus have simple opposite or whorled leaves that are gland-dotted and are usually smooth-margined. The plant isnt particular about the soil type. Download your free copy of our 2020 Catalog Today! You may also want to consider creeping St. John's Wort (Hypericum calycinum) which does not have medicinal properties but is good for landscaping.If you plan to use this herb medically, be aware that there may be some side effects such as increased sensitivity to UV rays, sexual dysfunction, dizziness and headaches. You wont … Stonewort - A general name for plants of the genus Chara and Nitella; water horsetail. It also withstands drought but grows best with irrigation during prolonged dry spells. Noteworthy CharacteristicsVarious species have attractive autumn color and showy fruit.There is a species for nearly every growing climate and landscape situation. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... Get exclusive access to content from our 1768 First Edition with your subscription. Additional information on common St. Johnswort. How to Prune a St. John’s Wort Shrub. Hypericum L. – St. Johnswort. Hypericum is perennial in Zones 4-8. Let us know if you have suggestions to improve this article (requires login). Creeping Saint-John’s-wort (H. calycinum), sometimes known as rose of Sharon or Aaron’s-beard, and goldencup Saint-John’s-wort (H. patulum) are both shrubby East Asian species. Water: Keep this lovely herb moist, but avoid constant 'wet feet.'. The botanic for this creeping ground cover is … Ornamental St John's Wort Pumpkin Plants. If you live in USDA plant hardiness zones 5 or 6 to 10 and have a partially shaded site, you can probably grow St. Johns wort. It is poisonous to grazing animals and can cause photosensitization, behavioral changes, spontaneous abortion, and death. In the western United States, where it is commonly known as Klamath weed, certain beetle species (Chrysolina quadrigemina, C. hyperici, and Agrilus hyperici) have been introduced in many locations to eat the plants and keep them under control. The exfoliating bark and attractive seed capsules add winter interest to the landscape. Creeping Saint-John’s-wort (H. calycinum), sometimes known as rose of Sharon or Aaron’s-beard, and goldencup Saint-John’s-wort (H. patulum) are both shrubby East Asian species. More than 400 plants share the name St. John's wort (Hypericum spp.). Extras: Well-known herbal treatment for depression. In the other species these markings are absent or confined to near the petal margins. Creeping Saint-John’s-wort bears pale yellow flowers with orange stamens on 30-cm- (1-foot-) tall plants, while goldencup Saint-John’s-wort has slightly smaller deep yellow flowers with darker stamens. The flowers are mostly five-petalled and yellow. Soil:It grows in any soil type and is very drought-tolerant, reviving quickly even after severe wilting. The stems and seedheads appear varnished in winter adding a unique texture to the landscape. Pros and Cons of St. John’s Wort. Genus Hypericum can be annuals, perennials, shrubs or trees, evergreen or deciduous, with usually paired leaves and showy yellow flowers with prominent stamens, followed by capsules, occasionally berry-like Details H. perforatum is an upright perennial with small, ovate leaves and terminal clusters of star-shaped yellow flowers 1.5cm across St. John's wort common St. John's wort This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. For a smaller shrub that only gets to about 3 feet tall, and two feet wide the St John’s wort has big color that can fit anywhere. This article was most recently revised and updated by, https://www.britannica.com/plant/Hypericum, Healthline - St. John’s Wort: The Benefits and the Dangers. Tips On St. John’s Wort Pruning: When To Cut Back St. John’s Wort. At your local nursery you will most likely find a broad leaved variety of Hypericum labeled St. John's Wort. When to Cut Back St. John’s Wort. Named “wort,” a term used for healing plants… Hypericum perforatum is the Latin name for the type of St. John’s Wort that’s best to grow for medicinal purposes. The more than 400 species of Hypericum are annuals, perennials, shrubs, and trees that are found world-wide in a myriad of habitats. Hypericum citrinum – As its name shows, its flowers are a … Spotted St. John's-wort can be most easily distinguished from the other St. John's-worts by the dark dots and streaks on the upper surface of the yellow petals. St. John’s wort is an undemanding shrub that grows in U.S. Department of Agriculture plant hardiness zones 5 through 9. The Plants Database includes the following 78 species of Hypericum . They characteristically feature many stamens, which are often united in bundles. Learn more about our favorite books to help you identify and harvest plants in our post, 5 Foraging Guide Books To Help You Identify & Harvest Plants. Identifying St. John’s Wort Plants (Hypericum perforatum)The scientific name, Hypericum perforatum, actually gives a clue that’s really valuable for identifying the St. Johns Wort plant in the wild. The herb’s active ingredient is called hypericin, and that gives the plant a deep red color when crushed. St. John’s wort is a perennial that grows around 3 feet tall. Creeping Saint-John’s-wort bears pale yellow flowers with orange stamens on 30-cm- (1-foot-) tall plants, while goldencup Saint-John’s-wort has slightly smaller deep yellow flowers with darker stamens. St. John’s Wort is a handsome dense, rounded shrub with charming blue-green foliage. Native Introduced Native and Introduced. It grows wild in fields and meadows but has also been cultivated as a garden plant. 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.. By making teas from the plant's dried flowers or capsules from the extracted essential oils, St. John's Wort is a valuable medicinal herb.Easy to maintain, common St. John's Wort plants practically grow themselves. Division propagation works best for spreading perennial species of St. John's wort, such as Hypericum calycinum, or Aaron's beard (hardy in USDA zones 5 through 9). The St. John's wort plant (Hypericum perforatum) is a vigorous, low-maintenance perennial that grows well in most conditions except wet soil. The plant spreads asexually by creeping rhizomes and readily reseeds itself with seeds that can persist for years in the soil seed bank. It grows well in sand, clay, rocky soil or loam, and tolerates acidic to slightly alkaline pH. St. John's Wort is a perfect example of why common names need to be verified with a botanic name. Also, the herbal supplement St. John’s wort can alter the metabolism of drugs such as protease inhibitors, anticlotting drugs, and antidepressants, and it can reduce the effectiveness of oral contraceptives.…, Several herbs, especially St.-John’s-wort and yarrow, are potent against fairies, and hawthorn trees, foxglove, and groundsel are so dear to them that abuse of these plants may bring retribution.…. The common name stems from the fact that various European species flower around June 24, which is the feast day of St. John the Baptist; “wort” derives from an Old English word for herb or plant. Upper half Saint John ’ s Wort is a species for nearly growing. Places, poor soil and is very drought-tolerant, reviving quickly even severe... Tips on St. John 's Wort ( Hypericum spp. ), spontaneous abortion, and death King,. 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