Rudbeckia hirta rud-BEK-ee-ah HER-tuh Rudbeckia hirta L. is the correct and accepted scientific name for this species of Rudbeckia. Verticillium wilt, a fungal disease, is often fatal to rudbeckia plants. R. fulgida (left) has long, teardrop-shaped toothed leaves, dark green in color, sometimes tinged purple; the leaves of R. hirta (right) are paler in color, more narrow, less toothy, and leaves and stems are hairy. They have smooth or ciliate margins and occasionally a few blunt teeth. 910 Kings Highway Woodstown, NJ 08098 , Rudbeckia hirta is the state flower of Maryland. Genus name honors Olof Rudbeck (1630-1702) Swedish botanist and founder of the Uppsala Botanic Garden in Sweden where Carl Linnaeus was professor of botany. Black-eyed Susans (Rudbeckia hirta) are native to North America and one of the most popular wildflowers grown. Black-eyed Susans will average 2–3 feet in height and about 1–2 feet in clump … This plant that struggles to reach 2-feet tall produces mahogany-red rays with yellow tips. General Description: Black-eyed susan is a relatively large wildflower, ranging from 30-90 cm. wide (7 cm) with a dark chocolate center disk. While it may be difficult to tell the rudbeckia species apart by their flowers, the form of the leaves is different. Yellow, 2- to 2 inches-wide flowers with a black to brown central cone bloom in summer. According to Pope: “On a trip home, I saw great masses of Black-Eyed Susans in the pine forests. Rudbeckia hirta and sometimes other species of the genus are used in experimental studies relating to initiation of flowering and hairy root culture. Rudbeckia hirta General Description: Black-eyed susan is a relatively large wildflower, ranging from 30-90 cm. Plants tolerate part sun, heat, controlled burns, sand or clay. The leaves on the prairie sun are bright green and grow upright. Rudbeckia hirta is fairly short lived but reliably self-sows especially in open soil. Rudbeckia triloba, or Brown-Eyed Susan, is a herbaceous biennial or short-lived perennial that grows easily in average, moist, well-drained soils. distinguished from other Rudbeckia spp.by its lanceolate hairy leaves and the long hairs on the stems; most of the leaves occur toward the base of each stem, and never have lobes. Rudbeckia hirta 'Cherry Brandy' is a red flowering cultivar 'R.hirta 'Indian Summer' has some of the largest flowers we have seen. Rudbeckia is one of at least four genera in the family Asteraceae whose members are commonly known as coneflowers; the others are Echinacea, Dracopis and Ratibida. It was described by Carl von Linnaeus in Species Plantarum in 1753. In dry sites, Rudbeckia triloba would offer similar appearance and provide the same quick effect. Discover nine diverse rudbeckia cultivars for your garden National Garden Bureau If you’ve seen Rudbeckia plants in commercial landscaping applications, chances are they are the 'Indian Summer' variety of R. hirta. Caterpillars of Silvery Checkerspot Butterflies forage on the foliage and seeds are consumed by goldfinches. They can also adapt well to average soils.Rudbeckia have a clumping, but upright habit, and coarse texture.  Other popular cultivars include 'Double Gold' and 'Marmalade'. Although it seems like it should be a cause for serious alarm, most of the time spotted leaves on black eyed Susan are only a minor annoyance with a simple cure. Rudbeckia were used by early North American Settlers as a diuretic and as a stimulant. CULTURAL & MAINTENANCE NEEDS: Rudbeckia hirta is easily cultivated in sunny sites with moist, average or dry soils. Regardless of species, their flowers comprise a central cone or disc floret surrounded by red, yellow, gold or orange petals. It is also believed that the Potawatomi Indians made tea from the roots, which had immunostimulating properties that relieve symptoms of the common cold (Moerman, 1998). The rays are occasionally marked with maroon at the base. Botanical Name: Rudbeckia hirta. The stems are scattered and 1-3 feet tall with oblong leaves covered with bristly hairs. COMPANION & UNDERSTUDY PLANTS: Rudbeckia hirta mingles well with Asclepias tuberosa, Asclepias verticillata, Coreopsis tripteris, Echinacea purpurea, Liatris aspera, Sorghastrum nutans and Sporobolus heterolepis. FIRST IMPRESSIONS: Rudbeckia hirta is an adaptable wildflower with flexible lance shaped leaves. Rudbeckia prefer evenly moist, well-drained soils, but they are drought and heat tolerant once established. Plants are fairly pest resistant except for occasional mild bouts of powdery mildew. This is the Maryland state flower. , In 1912, the black-eyed Susan became the inspiration for the University of Southern Mississippi school colors (black and gold), suggested by Florence Burrow Pope, a member of the university's first graduating class. These plants grow in clearings, roadsides, and open woods. pulcherrima. Margins are smooth, to prominent serrate teeth. Black-eyed susan (Rudbeckia hirta) is such a popular wildflower it has been added to many cultivated flower gardens. , Rudbeckia hirta is an upright annual (sometimes biennial or perennial) growing 30–100 cm (12–39 in) tall by 30–45 cm (12–18 in) wide. How to plant rudbeckia Annual and biennial rudbeckias can be grown from seed. fulgida can be differentiated from similar species because it has narrower glossy leaves, smaller flowerheads than some and uniformly sized upper leaves. It has now been found in all 10 Canadian Provinces and all 48 of the s The legend says that the name black-eyed Susan originated from an Old English Poem written by John Gay entitled‘Sweet William’s Farewell To Black-Eyed Susan’. The flowers are showier than other It may likely endure few winters, but will often self-seed prolifically. The species Rudbeckia fulgida(Orange Coneflower) is Rudbeckia seed may be planted directly into the garden. , The specific epithet hirta is Latin for “hairy”, and refers to the trichomes occurring on leaves and stems. in height. A self-seeding biennial, ideal for naturalizing. Enjoying a fairly extended blooming season, from early summer to fall, the flowers are attractive to butterflies, birds and pollinating insects. It has a small clump of basal leaves with upright flower stalks in summer. Rudbeckia hirta moreno. This trooper is content in prairie-like settings, disturbed fields and sunny gardens with averages soil. In the species, the flowers are up to 10 cm (4 in) in diameter, with yellow ray florets circling conspicuous brown or black, dome-shaped cone of many small disc florets. across (7-10 cm), adorned with rich mahogany and a dark chocolate cone. Habitat: Black-eyed Susan is native to the eastern United States but has spread to the rest of North America. The center disc is black or an intense purple. It needs Plants form a rosette of green leaves the first year, the second year they produce bushy, upright stems that are just loaded with thousands of tiny brown-eyed golden daisies from midsummer on. Have you ever looked closely at Black-eyed susan’s leaves? Some of these are Rudbeckia hirta var. Blossoms attract native bees, pollinating flies, beneficial wasps and butterflies. The gloriosa daisies grown in ornamental gardens are tetraploid forms of Rudbeckia hirta. It grows across the United States and into Canada. Species name of hirta means hairy in reference to the short bristles that cover the leaves and stems. (Wildflower Database; USDA). However, extensive breedin… The flowers can be used in bouquets. hirta: 3 Leaves: basal blades lanceolate to oblanceolate, 1–2.5(–5) cm wide (lengths 3–5 times widths), margins entire or serrulate; cauline blades spatulate, oblanceolate, or broadly linear Rudbeckia hirta var. The plant's typical height is 3 to 5 feet with 2 to 4 inch leaves and 2 to 3 inch yellow flowers with dark purple-brown center disks. As indicated by its name, the flower head has a prominent black or dark-brown central cone that is surrounded by rich, yellow, petal-like rays. Plants are topped by showy terminal daisy-like flowers in summer. They were first bred by Alfred Blakeslee of Smith College by applying colchicine to R. hirta seeds; Blakeslee's stock was further developed by W. Atlee Burpee and introduced to commerce at the 1957 Philadelphia Flower Show. hirta variety, or commonly known as the woodland black-eyed Susan, is found in the eastern United States of America. The leaves often have 3 lobes and a rosette of leaves that originate at the base of the stem persists through the winter, creating an attractive winter ground cover. Other common names for this plant include thin-leaved coneflower (for thin leaves) and three-lobed coneflower (for three-lobed leaves and species name). Rudbeckia hirta ‘Indian summer’ This well-named half-hardy annual or hardy perennial has very large golden yellow flowers that can be up to 18cm in diameter. The blooms are 2-3” across with bright yellow rays surrounding a dense chocolate brown cone. For more information on this plant, visit the USDA PLANTS Database: http://plants.usda.gov/java/profile?symbol=RUHI2, © 2020 | New Moon Nursery, LLC hirta The Rudbeckia hirta var. ... Rudbeckia hirta ‘Indian Summer Rudbeckia hirta 'Indian Summer' is a sturdy selection with large, yellow flowers that develop 10 to 14 weeks after seeds are sown. The Ojibwa people used it as a poultice for snake bites and to make an infusion for treating colds and worms in children. Other common names for this plant include thin-leaved coneflower (for thin leaves) and three-lobed coneflower (for three-lobed leaves and species name). Among the most popular is Rudbeckia f. sullivantii 'Goldsturm', bearing 3 inches., black-eyed yellow flowers on 2- to 2 feet stems. Most species are rich sources of phytochemicals that may offer potential for subg. The upper stems are leafless and each stem or branch bears one terminal composite flower. TRIVIA: Rudbeckia hirta is Maryland’s State Flower.  The roots but not the seedheads of Rudbeckia hirta can be used much like the related Echinacea purpurea with unsubstantiated claims to boost immunity and fight colds, flu and infections. 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