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 bright yellow flowers with a profusion of yellow stamens look like fireworks. It also withstands drought but grows best with irrigation during prolonged dry spells. … Beneficials such as bees and butterflies will be drawn to this beauty in your yard as well helping to pollinate your garden. 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. Light: St. John's Wort requires full sun or bright, filtered light. 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. Soil:It grows in any soil type and is very drought-tolerant, reviving quickly even after severe wilting. Water: Keep this lovely herb moist, but avoid constant 'wet feet.'. 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. The common European St. John's wort (Hypericum perforatum), which grows in U.S. Department of Agriculture plant hardiness zones 3 through 8, can quickly overtake garden beds and spread into the wild. Omissions? In the early summer the St John’s Wort erupts with tons of large, bright yellow blossoms that last until August. Characteristics: A shrubby herb with wonderful yellow, saucer-shapped flowers. How to Prune a St. John’s Wort Shrub. Plants of the genus Hypericum (some species have been used since ancient times in the treatment of wounds) were apparently gathered and burned to ward off evil spirits on the eve of St. John's Day, thus giving rise to the genus common name of St. John's wort. St. John's Wort 1100 mg per Serving. Abundant bright yellow flowers bloom in summer. The plant is used in herbal medicine as a treatment for depression, and there is some limited clinical evidence of its efficacy. St. John’s wort is an undemanding shrub that grows in U.S. Department of Agriculture plant hardiness zones 5 through 9. St. John’s Wort Pruning. By planting a St John’s Wort you will be adding three months of vibrant color to your landscape. You can grow St John's Wort and other Hypericum outdoors from seeds. : A shrubby herb with wonderful yellow, saucer-shapped flowers. St John's Wort makes a terrific companion plant for many of your other plants! St John’s Wort Pumpkin is the perfect addition to any sunny to shady garden. Once sown lightly cover the St John's Wort seeds. Subordinate Taxa. Hypericum is perennial in Zones 4-8. : Keep this lovely herb moist, but avoid constant 'wet feet.'. 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. : Well-known herbal treatment for depression. Hypericum perforatum is the Latin name for the type of St. John’s Wort that’s best to grow for medicinal purposes. Updates? 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. Our editors will review what you’ve submitted and determine whether to revise the article. St. John’s Wort is a handsome dense, rounded shrub with charming blue-green foliage. The Plants Database includes the following 78 species of Hypericum . You wont … St. John's Wort may also interact adversely with other medications such as oral contraceptives, so make sure to consult your doctor before using. It has become a noxious invasive species in southern Australia, South Africa, and North and South America. St. John's Wort 1100mg 180 Veggie Capsules (Non-GMO & Gluten Free) 1950mcg Hypericin Saint Johns Wort for Mood, Anxiety & Depression Support (550mg per Capsule) 4.5 out of 5 stars 1,670 $15.60 $ 15 . The hibiscus looking flowers are replaced by bright orange to pink berries in the late summer to fall, which add extra color and texture to cut flower arrangements. 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. They characteristically feature many stamens, which are often united in bundles. Several species are cultivated for their attractive flowers, and at least one, common Saint-John’s-wort (Hypericum perforatum), is important in herbalism. Hypericum perforatumRecommended for centuries for the cure to mental disorders and nerve pains, Hypericum perforatum (more commonly known as St. John's Wort) has been proven in contemporary medical studies as an effective treatment for mild-to-moderate depression, anxiety and sleeping disorders. How to Grow St John's Wort, Hypericum. Pros and Cons of St. John’s Wort. These should be sown out in either early on in spring or towards the beginning of autumn. 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. 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 botanic for this creeping ground cover is … It can often be found near meadow drainages, creeks, and foothills. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. Extras: Well-known herbal treatment for depression. 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. Features 5-petaled, bright yellow flowers (to 1\" diameter) with numerous, yellow stamens. The St. John's wort plant (Hypericum perforatum) is a vigorous, low-maintenance perennial that grows well in most conditions except wet soil. The more than 400 species of Hypericum are annuals, perennials, shrubs, and trees that are found world-wide in a myriad of habitats. It grows wild in fields and meadows but has also been cultivated as a garden plant. Corrections? Hypericum androsaemum 'Albury Purple'. It fell out of favour in the nineteenth century but recent research has brought it back to prominence as an extremely valuable remedy for nervous problems. Members of the genus have simple opposite or whorled leaves that are gland-dotted and are usually smooth-margined. Noteworthy CharacteristicsVarious species have attractive autumn color and showy fruit.There is a species for nearly every growing climate and landscape situation. 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. Saint-John’s-wort, (genus Hypericum), genus of nearly 500 species of herbs or low shrubs in the family Hypericaceae that are native to temperate and tropical areas. Shop 6-pack in creeping st. johnswort (l6967) in the perennials section of Lowes.com Hypericum adpressum. 60 ($0.09/Count) St. John's Wort . They may be decidous, semi-evergreen, or evergreen. St John's Wort is commonly known for its medicinal purposes. Ornamental St John's Wort Pumpkin Plants. 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 Recommended for centuries for the cure to mental disorders and nerve pains, Hypericum perforatum (more commonly known as St. John's Wort) has been proven in contemporary medical studies as an effective treatment for mild-to-moderate depression, anxiety and sleeping disorders. Stonewort - A general name for plants of the genus Chara and Nitella; water horsetail. In the other species these markings are absent or confined to near the petal margins. It is poisonous to grazing animals and can cause photosensitization, behavioral changes, spontaneous abortion, and death. 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. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Interesting Saint John’s wort varieties Hypericum andosaemum – This is the ideal specimen to set up low-lying evergreen hedges. St. John's Wort is a perfect example of why common names need to be verified with a botanic name. This plant grows tall, with the flowers growing at the upper half. The exfoliating bark and attractive seed capsules add winter interest to the landscape. Submerged portions of all aquatic plants provide habitats for many micro and macro invertebrates. Problems. St. John’s wort is a perennial that grows around 3 feet tall. The flowers are mostly five-petalled and yellow. It produces … Additional information on common St. Johnswort. It grows to 2-3 feet, with small, oval, veiny leaves, and bright yellow flowers. St. Johns wort adapts to both moist and dry soil, and even tolerates occasional flooding. The flowers are bright yellow and look almost tropical. : We love to see this herb used as a background planting - makes a lovely full, lush backdrop and attracts bees like crazy when it flowers. 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. St. John’s Wort Characteristics. The stems and seedheads appear varnished in winter adding a unique texture to the landscape. St. John’s wort is an herbaceous perennial growing in many areas around the world and has a long history of herbal use. Thriving under substandard conditions, this herb prefers sunny, dry places, poor soil and is disease resistant. Perforate St. John's Wort makes a great ground cover but can be somewhat invasive, so make sure to prune back every other year to keep it in check. The plant isnt particular about the soil type. Download your free copy of our 2020 Catalog Today! At your local nursery you will most likely find a broad leaved variety of Hypericum labeled St. John's Wort. 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. Tips On St. John’s Wort Pruning: When To Cut Back St. John’s Wort. 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. 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. The herb’s active ingredient is called hypericin, and that gives the plant a deep red color when crushed. A compact, deciduous, rounded shrub with an erect habit that typically grows 1-4' (less frequently to 5') tall. Hypericum citrinum – As its name shows, its flowers are a … The plant spreads asexually by creeping rhizomes and readily reseeds itself with seeds that can persist for years in the soil seed bank. The fruits are nearly always dry capsules. 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 . Hypericum L. – St. Johnswort. 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. Washington State Noxious Weed Control Board (external link) What to do if you find this plant in King County, Washington. Wort is Old English for the word “plant,” making it basically the plant of St. John the Baptist. Hypericum perforatum. St. John's Wort - Can refer to any species of Hypericum. 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. Use: We love to see this herb used as a background planting - makes a lovely full, lush backdrop and attracts bees like crazy when it flowers. Because Common St. Johnswort is so widespread, property owners in King County are not required to control it and we are not generally tracking infestations. 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. Try planting in sandy soils such as a beach front garden, or on river embankments as its root system is heralded as a great solution to erosion. 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