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. creeping St. … Click below on a thumbnail map or name for species profiles. 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. St John’s Wort Pumpkin is the perfect addition to any sunny to shady garden. 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. St. John’s wort can be found in wooded areas. 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 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. St. John's Wort - Can refer to any species of Hypericum. The plant spreads asexually by creeping rhizomes and readily reseeds itself with seeds that can persist for years in the soil seed bank. 60 ($0.09/Count) Download your free copy of our 2020 Catalog Today! The stems and seedheads appear varnished in winter adding a unique texture to the landscape. The St. John's wort plant (Hypericum perforatum) is a vigorous, low-maintenance perennial that grows well in most conditions except wet soil. St. John’s wort is an herbaceous perennial growing in many areas around the world and has a long history of herbal use. 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 . Stonewort - A general name for plants of the genus Chara and Nitella; water horsetail. St. John’s Wort Characteristics. Light: St. John's Wort requires full sun or bright, filtered light. May also be known as Kalm’s St. John’s Wort. One of the most well-known species is the common, or perforated, Saint-John’s-wort (H. perforatum), which is native to Europe, northern Africa, and western Asia. Subordinate Taxa. St. John’s Wort Pruning. Interesting Saint John’s wort varieties Hypericum andosaemum – This is the ideal specimen to set up low-lying evergreen hedges. The more tame North American St. John's wort (Hypericum frondosum), which grows in USDA zones 5 through 8, is better behaved in the … Once sown lightly cover the St John's Wort seeds. 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. Noteworthy CharacteristicsVarious species have attractive autumn color and showy fruit.There is a species for nearly every growing climate and landscape situation. : Well-known herbal treatment for depression. 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. St.-Andrew’s-cross (H. hypericoides) is cultivated as an ornamental shrub for its yellow flowers. St. Johns wort adapts to both moist and dry soil, and even tolerates occasional flooding. 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. 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. St. John's Wort 1100 mg per Serving. At your local nursery you will most likely find a broad leaved variety of Hypericum labeled St. John's Wort. The flowers are mostly five-petalled and yellow. It grows well in sand, clay, rocky soil or loam, and tolerates acidic to slightly alkaline pH. Hypericum adpressum. Thriving under substandard conditions, this herb prefers sunny, dry places, poor soil and is disease resistant. It grows to 2-3 feet, with small, oval, veiny leaves, and bright yellow flowers. Shop 6-pack in creeping st. johnswort (l6967) in the perennials section of Lowes.com Stamens are bushy to the point of partially obscuring the petals (hence the species name of prolificum which refe… Several species are cultivated for their attractive flowers, and at least one, common Saint-John’s-wort (Hypericum perforatum), is important in herbalism. Extras: Well-known herbal treatment for depression. How to Grow St John's Wort, Hypericum. Our editors will review what you’ve submitted and determine whether to revise the article. St. John's Wort is a perfect example of why common names need to be verified with a botanic name. 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. … 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. You wont … It produces … Hypericum L. – St. Johnswort. Additional information on common St. Johnswort. How to Prune a St. John’s Wort Shrub. Hypericum perforatum. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. St John's Wort is commonly known for its medicinal purposes. Hypericum is perennial in Zones 4-8. : Keep this lovely herb moist, but avoid constant 'wet feet.'. 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. St John's Wort makes a terrific companion plant for many of your other plants! St. James' Wort - Senecio jacobaea or Senecio aureus, two species of ragwort. Shrubby St. John's wort Shrubby St. John's wort is a low to medium-sized native shrub reaching 3 to 4 feet high. Updates? In the early summer the St John’s Wort erupts with tons of large, bright yellow blossoms that last until August. 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. Pros and Cons of St. John’s Wort. They may be decidous, semi-evergreen, or evergreen. In the other species these markings are absent or confined to near the petal margins. Water: Keep this lovely herb moist, but avoid constant 'wet feet.'. St. John’s Wort is a handsome dense, rounded shrub with charming blue-green foliage. It has become a noxious invasive species in southern Australia, South Africa, and North and South America. 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. You can grow St John's Wort and other Hypericum outdoors from seeds. Native Introduced Native and Introduced. The bright yellow flowers with a profusion of yellow stamens look like fireworks. They characteristically feature many stamens, which are often united in bundles. It is poisonous to grazing animals and can cause photosensitization, behavioral changes, spontaneous abortion, and death. This perennial herb grows about one to two feet across and one to three feet high. 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. 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. 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 . Soil:It grows in any soil type and is very drought-tolerant, reviving quickly even after severe wilting. Omissions? St. John's Wort . By planting a St John’s Wort you will be adding three months of vibrant color to your landscape. St. Paul's Wort – species of the genus Sigesbeckia, such as … : 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. The more than 400 species of Hypericum are annuals, perennials, shrubs, and trees that are found world-wide in a myriad of habitats. 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. St. John’s wort is a perennial that grows around 3 feet tall. A compact, deciduous, rounded shrub with an erect habit that typically grows 1-4' (less frequently to 5') tall. Hypericum androsaemum 'Albury Purple'. : A shrubby herb with wonderful yellow, saucer-shapped flowers. Abundant bright yellow flowers bloom in summer. This variety never grows any taller than 32 inches (80 cm) and bears cute little yellow flowers. Tips On St. John’s Wort Pruning: When To Cut Back St. John’s Wort. When to Cut Back St. John’s Wort. 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. It also withstands drought but grows best with irrigation during prolonged dry spells. The flowers are bright yellow and look almost tropical. These should be sown out in either early on in spring or towards the beginning of autumn. Characteristics: A shrubby herb with wonderful yellow, saucer-shapped flowers. Washington State Noxious Weed Control Board (external link) What to do if you find this plant in King County, Washington. Hypericum perforatum is the Latin name for the type of St. John’s Wort that’s best to grow for medicinal purposes. Hypericum citrinum – As its name shows, its flowers are a … 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. 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. Submerged portions of all aquatic plants provide habitats for many micro and macro invertebrates. 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. Features 5-petaled, bright yellow flowers (to 1\" diameter) with numerous, yellow stamens. The Plants Database includes the following 78 species of Hypericum . 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). It can often be found near meadow drainages, creeks, and foothills. More than 400 plants share the name St. John's wort (Hypericum spp.). 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.. 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. Ornamental St John's Wort Pumpkin Plants. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Problems. 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. 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. The fruits are nearly always dry capsules. 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. St. John's Wort may also interact adversely with other medications such as oral contraceptives, so make sure to consult your doctor before using. The exfoliating bark and attractive seed capsules add winter interest to the landscape. Corrections? 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.…. 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. Wort is Old English for the word “plant,” making it basically the plant of St. John the Baptist. 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. 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. St. John’s wort is an undemanding shrub that grows in U.S. Department of Agriculture plant hardiness zones 5 through 9. Beneficials such as bees and butterflies will be drawn to this beauty in your yard as well helping to pollinate your garden. 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. Members of the genus have simple opposite or whorled leaves that are gland-dotted and are usually smooth-margined. It grows wild in fields and meadows but has also been cultivated as a garden plant. Perforate St John’s Wort Plants. The botanic for this creeping ground cover is … The plant is used in herbal medicine as a treatment for depression, and there is some limited clinical evidence of its efficacy. This plant grows tall, with the flowers growing at the upper half. What is not as commonly known is just how beautiful this plant's flowers are! 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. Named “wort,” a term used for healing plants… The herb’s active ingredient is called hypericin, and that gives the plant a deep red color when crushed. St. John’s wort is toxic and should not be cultivated. The plant isnt particular about the soil type. Let us know if you have suggestions to improve this article (requires login). Hypericum is perennial in Zones 4-8. 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