They make excellent cut flowers. They are members of the Asteraceae family and are native to both damp woodlands and dry prairies in North America. The stems grow 3-12 feet tall with pinnate leaves (Wildflower Database). Depending on the population, this variety can be an annual, a biennial (a plant with a two-year lifecycle) or short-lived perennial. The Perennial Plant Association's 1999 Perennial Plant of the Year™ Rudbeckia fulgida var. The species is a short-lived perennial that will self-seed and works well in naturalized areas. ‘Little Goldstar’ grows to 14–16 inches in height and spreads 14–16 inches; it is ideal for container gardening. The flower is unique, having yellow petals with a dark brown center and a mahogany eye. Early fall is the best time to plant perennial Rudbeckia, but they can also be planted in mid-April. Rudbeckia fulgida var. Black-eyed Susans will average 2–3 feet in height and about 1–2 feet in clump … Japanese Beetles: Most natural enemies of Japanese Beetles will be mammals that eat the larvae or grubs, such as opossums, raccoons, and skunks. “Antioxidant Activity of Medicinal Plant Polysaccharides.” Fitoterapia 77 (2006): 367-73. hirta and all the showy cultivars are biennial, growing only leaves and stems the first season and blooming the following year. Their drought resistance and low maintenance make them an excellent addition to a water-wise landscape, raingarden, or xeriscape. The stems are scattered and 1-3 feet tall with oblong leaves covered with bristly hairs. Add to Any Collection My Collection. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. at PubMed, University of Texas Austin, Wildflower Center, Trek Birmingham is a Birmingham-Southern College project made possible by a grant from Blue Cross & Blue Shield, BCBS | Rudbeckia triloba is a species native all over the eastern North America. Plants prefer consistent moisture throughout the growing season. Click on a place name to get a complete protected plant list for that location. This native form of the Black-eyed Susan is longer flowering than the more familiar garden selection ‘Goldsturm', continuing well into October in many regions. This information is supplied with the understanding that no discrimination is intended and no endorsement of brand names or registered trademarks by the Clemson University Cooperative Extension Service is implied, nor is any discrimination intended by the exclusion of products or manufacturers not named. With its classic yellow showy flowers with black centers, it is perfect miniature. Tolerates heat, humidity, and clay soil. Rudbeckia hirta is a short-lived perennial that should be treated as an annual. Rudbeckia have a clumping, but upright habit, and coarse texture. Barbara H. Smith, ©2016 HGIC, Clemson Extension. ‘Goldsturm’ grows to 23–29 inches in height and spreads 18–23 inches. If an insecticide is necessary for control, use a spray of horticultural summer oil or insecticidal soap. It is long-blooming and virtually pest-free. across (7 cm), from late summer through mid fall. There have been some reports of the Black-eyed Susan causing skin irritation in humans, and the plant is known to be poisonous to cattle and horses (Perry, 1997). Colonies of this species can be quite large, covering massive areas. Adding drama in the late season garden, award-winning Rudbeckia fulgida var. Test the soil in the landscape bed through Clemson Cooperative Extension for the amount of lime required and the best fertilizer to apply. Sullivantii (Boynton Et Beadle). Rudbeckia grandiflora is a rhizomatous perennial species native to the Eastern United States. floridiana and var. Low basal leaves are produced initially that are oval in shape and dentate along their margins; their bases are rounded to slightly cordate. ‘Denver Daisy’ grows to 18 – 20 inches in height and spreads 12 – 18 inches. The plant is huge, growing to 39–47 inches in height and spreading 23–29 inches. 51.1 (1997): 52-59. Rudbeckia may be annuals, biennials or perennials, all of which are native to the meadowlands and woodlands of North … Established plants have some tolerance for drought. Rudbeckia fulgida, hirta, and laciniata are three of many closely related species. Structural Characterization of an Acidic Heteropolysaccharide from Rudbeckia Fulgida, Var. ‘Cherokee Sunset’ grows to 27–29 inches in height and spreads 12–16 inches. Hardiness: 5 - 9 Sun: Full Sun . Studies focused on the ethanol extracts of the root have indicated immune-stimulating properties of through the observation of increased activity of phagocytes and the metabolic activity of macrophages, as well as through the increased bacterial activity of microphages on E. Coli cells (Kardošová et al., 1997). angustifolia, as well as var. The ubiquitous, perennial Rudbeckia fulgida and annual/biennial Rudbeckia hirta are the only species that most people know. ... Rudbeckia hirta 'Chocolate Orange' (Black-Eyed Susan) Add to Collection. Clemson University Cooperative Extension Service offers its programs to people of all ages, regardless of race, color, gender, religion, national origin, disability, political beliefs, sexual orientation, gender identity, marital or family status and is an equal opportunity employer. Species that are commonly available are R. hirta, R. fulgida, R. grandiflora, and R. triloba. R. hirta is an annual to short-lived perennial with characteristics very similar to R. fulgida, but its flowers have a dark brown or brown-maroon center and ‘hairy’ stems. Rudbeckia prefer evenly moist, well-drained soils, but they are drought and heat tolerant once established. A new flavonol glycoside from the aerial part of Rudbeckia laciniata. Rudbeckia can be propagated by seed, but the best way to propagate them is by division. This showy variety is ideal for use as cut flowers. Kingsbury, J.M. These plants produce an abundance of bright yellow and orange flowers, each with a dark, button-shaped cone in the center. Use pesticides only according to the directions on the label. Goldstrum rudbeckia (Rudbeckia fuldiga ‘Goldstrum’) is perennial in zones 4 – 9. Many species are actually biennials or short-lived perennials but because they self-sow readily, they often return each spring from seed dispersed the previous fall. Follow all directions, precautions and restrictions that are listed. Dried plant leaves were usually consumed in the form of a tea. Rudbeckia have erect stems with alternate, deeply lobed pubescent (hairy) leaves. Division: Rudbeckia can be divided every 3–4 years in early spring or fall to prevent overcrowding. 55.5 (2001): 311-18. Moerman, Daniel E. (1998) Native American Ethnobotany. If planted in the fall, the plants will have adequate time to acclimate to their new environment. (1964). Plants slowly spread in the garden by rhizomes. Germination of Rudbeckia should take from one to three weeks. Rudbeckia are perennial flowering plants that are hardy in Zones 4–9. Rudbeckia’s upright growth and coarse texture makes it ideal for mass plantings in naturalized areas or in the background of perennial beds. You are right – neither Rudbeckia hirta nor the similar Rudbeckia fulgida attract a ton of pollinators. Join our mailing list to receive the latest updates from HGIC. There are many areas in the lower part of the state where phosphorus levels are naturally high, so a soil test will determine if adding a fertilizer with phosphorus is necessary or not. Caring for Coneflower and other Rudbeckia in the garden. The flowers are a dark mix of bronze orange and red. Black-eyed Susans typically bloom in late spring through early fall. Recent research on the Black-eyed Susan has been primarily concerned with the polysaccharides and aqueous ethanol extracts of the root of the plant. Thanks to the thinner and hairier leaves, this hybrid Rudbeckia shows no signs of the fungus even in wet, humid conditions. Rudbeckia species have an average growth rate and prefer full sun (greater than 6 hours of direct sunlight) but will tolerate partial shade. The flower has a mix of brown, red, and yellow, and makes excellent cut flowers or specimen plantings. Rudbeckia laciniata is affectionately known as the “Out House Plant”. However, if spider mite populations are high, use a spray of horticultural summer oil or insecticidal soap. In urban and suburban gardens, the most common black-eyed Susan is Rudbeckia fulgida. R. laciniata is a perennial with bright golden-yellow flowers that bend backward and cone-shaped … The classic black-eyed Susan, and state flower of Maryland, is Rudbeckia hirta. This species typically flowers in mid- to late summer through mid-fall. They can also adapt well to average soils. Unlike many other black-eyed Susans, this one does not require staking. ‘City Garden’ is a dwarf version that only grows to 10–12 inches high and spreads 16–18 inches; it is ideal for container gardening. Perry, Leonard P.   Potentially Harmful Perennials. Most species are perennial, but Rudbeckia. Nat. sullivantii Goldsturm Deep yellow petals with an orange tint surrounding a purple-brown centre. Most Bt products are sold under the trade name Thuricide. pulcherrima. While it may be difficult to tell the rudbeckia species apart by their flowers, the form of the leaves is different. Andrew "Drew" Jeffers, Spartanburg Cooperative Extension, Horticulture and Natural Resource Agent, Clemson University. The flowers are showier than other Rudbeckia species and have been widely hybridized. It may likely endure few winters, but will often self-seed prolifically. Capek, P., and A. Kardošová. R. hirta has unlobed leaves. Acclaimed internationally as one of the most popular perennials for the past fifty years, its bright golden-yellow flowers shine in gardens worldwide. Best bloom occurs in full sun, although plants will tolerate some light shade. The leaves grow more upright, which gives the plant a different look than other Rudbeckia species. sullivantii 'Goldsturm' Sku #7101. Brown eyed Susan (Rudbeckia maxima) is species native to the Southern United States. Proper spacing between plants will increase air circulation between the plants to keep leaves dry and help prevent the spread of diseases. Excess nitrogen and phosphorus in water runoff can also lead to potential cyanobacteria algal blooms in ponds and lakes. A favorite flower with almost every Southern gardener, it is known by several common names: black-eyed Susan, brown-eyed Susan, and Gloriosa. Copyright © 2020 Clemson UniversityClemson Cooperative Extension | 103 Barre Hall Clemson, SC 29634864-986-4310 | Contact UsHGIC@clemson.edu, College of Agriculture, Forestry and Life Sciences, Centipedegrass Yearly Maintenance Program. However, there are number of other species worth seeking out because of their unique attributes includ… (Wildflower Database; USDA). Choi and K.R. There are about 25 species of Rudbeckia, all native to North America. Seeds sown in the spring will need to be stratified (subjected to a cold treatment to mimic winter conditions) for 3 months at 40°F. fulgida. : Timber Press. Rudbeckia spp. Perennials. Researched and written by BSC Student Kelsey Moore (2013), Title/abstract search for Rudbeckia fulgida at PubMed, Title/abstract search for Rudbeckia hirta at PubMed, Title/abstract search for Rudbeckia laciniata at PubMed, Title/abstract search for Rudbeckia spp. 'Irish Eyes' Butterflies, birds, and bees will not miss these glowing yellow beacons on the 30-inch … umbrosa orange coneflower Legal Status. In most cases supplemental calcium via bone meal will be necessary to provide full nutrition. R. hirta 'Chocolate Orange' R. hirta R. hirta, also called gloriosa daisy or yellow ox-eye daisy, is the floral emblem of the state of Maryland.Most types have an upright habit and reach between 3 to 4 feet high. black-eyed Susan Interesting Notes. Cover the seeds lightly with ¼ to ½ inch of soil and keep moist. ‘Goldrush’ grows to 18–23 inches in height and spreads 18–23 inches. If this document didn’t answer your questions, please contact HGIC at hgic@clemson.edu or 1-888-656-9988. Be sure to read and follow all label directions before use. Shiny, deep green foliage. A dome-like habit of golden yellow flowers with black centers are produced heavily from July to September here in Michigan, with some color until frost. Rudbeckia is a tough summer-flowering perennial wildflower that likes sun, heat, and humidity. Their native habitat is open woods, meadows, and pastures (Wildflower Database). The yellow flowers are large and showy. The flower heads are 2-3 inches in diameter. Ahmed. can also be subject to some viruses and phytoplasma diseases which will cause deformed flowers or leaves. Natural predators can be attracted, but the best treatment is any product containing Bt (Bacillus thuringiensis kurstaki). Germination should take about 2 weeks. Borne on sturdy stems, each charming flower counts up to 12-20 rays that surround a prominent chocolate central cone. Rudbeckia were used by early North American Settlers as a diuretic and as a stimulant. Rudbeckia is a genus made up of 23 species, commonly known as Black-eyed Susans, Brown-eyed Susans or Gloriosa Daisy (annual or bienniel). R. triloba has smaller flowers, fewer rays and lobes on both stem and basal leaves. ‘Goldilocks’ grows to 20–23 inches in height and spreads 12–18 inches. R. hirta and R. triloba are biennials or short lived perennials. This is the Maryland state flower. Rudbeckia (Black-Eyed Susan) - a genus of North American wildflowers known for their showy yellow coneflowers. Seed: If propagating from seed, sow seeds in early to mid-fall, or early to mid-spring. Rudbeckia hirta 'Cherokee Sunset' has double and semi-double flowers in shades of yellow, orange, red, bronze, and mahogany. Plants do not come true from seed (must be vegetatively propagated). Preferred growing conditions. Rudbeckia hirta (common black-eyed Susan) and R. fulgida (orange coneflower) are the species most readily available to gardeners and include many of the newest cultivars. The flowers are bright yellow with greenish yellow centers. The bright yellow flowers have a dark black center and are a great addition to compliment native plantings. fulgida can be differentiated from similar species because it has narrower glossy leaves, smaller flowerheads than some and uniformly sized upper leaves. Lee. Rudbeckia also make excellent cut flowers for arrangements due to their bright color and strong stems. Rudbeckia prefer evenly moist, well-drained soils, but they are drought and heat tolerant once established. Some of these are Rudbeckia hirta var. Rudbeckia is distributed over most of the United States and parts of Canada. There have been records of different Native American tribes using the plant to aid in the treatment of dropsy, worms, snakebites, and earaches (Moerman, 1998). fulgida black-eyed Susan or orange coneflower. “Water-Extractable Polysaccharide Complex of Rudbeckia fulgida Var. 2014 Jul;37(7):834-8. Rudbeckia fulgida var. It blooms in mid-summer through mid-fall with large, 3 inch yellow flowers and black centers. If any of these pathogens are identified, it is best to remove and destroy the affect plant material, as there is no cure. Michael, B.R., S.R. Transplants will bloom the year they are planted, and will easily self-sow onto open … ‘Toto Gold’ grows to 12–16 inches in height and spreads 10–12 inches. sullivantii 'Goldsturm' is a popular standard. Shin, S.U. Poisonous Plants of the United States and Canada. Pap. COVID-19 Extension Updates and Resources ... More Information », Factsheet | HGIC 1192 | Published: Mar 1, 2017 | Print. The flowers have large dark brown centers with yellow edges. Rudbeckia species have an average growth rate and prefer full sun (greater than 6 hours of direct sunlight) but will tolerate partial shade. Rudbeckia hirta Rustic Dwarfs Shorter variety with a mix of flowers from yellow to rich mahogany. Four varieties of Rudbeckia fulgida, compared. Season: Summer (Mid,Late) R. laciniata is a perennial with bright golden-yellow flowers that bend backward and cone-shaped green centers that become brownish as they mature. Rudbeckia hirta, commonly known as Coneflower or Black-eyed Susan, are a tough and sturdy perennial that blooms for long periods. Rudbeckia hirta 'Indian Summer' is a sturdy selection with large, yellow flowers that develop 10 to 14 weeks after seeds are sown. Prod. Various portions of the plant have been used (Moerman, 1998). Two-spotted spider mites: There are many naturally-occurring biological control measures, such as predatory mites (Amblysieus swirskii, Amblysieus californicus, Amblysieus cucmeris, and Phytoseiulus persimilis). The showy flowers will attract bees, butterflies, and the seeds are loved by birds. Experimentation determining the value of the antioxidant properties of the polysaccharides in the root has examined the their ability to inhibit peroxidation of soyabean lecithin liposomes by OH radicals (Kardošová and Machová, 2006). Arch Pharm Res. 2013, 27, 2281-5. An upright, rhizomatous, clump-forming, free-blooming coneflower which typically grows to 3' tall, often forming colonies in the wild. Freshwater Land Trust | ‘Rustic Colors’ grows to 18–23 inches in height and spreads 12–18 inches. Chem. We hope to change that by offering lesser-known Rudbeckia species such as the 7' tall, powder-blue-leaved, Rudbeckia maxima. Rudbeckia fulgida var. In the absence of a soil test, they can be maintained with an application of a 12-6-6 slow release fertilizer at a rate of 1 pound per 100 square feet in early to mid-April, when new leaves begin to emerge, and again in September at a ½ pound per 100 square feet. A hallmark of prairies and meadows, Black Eyed Susan (Rudbeckia hirta) is a biennial that blooms and completes its life cycle in its second year with an extravagant floral display. Easily grown in average, moist, well-drained soils in full sun. The flowers are a mix of orange and bronze with yellow edges. sullivantii 'Goldsturm' has been selected by the Perennial Plant Association as the 1999 Perennial Plant of the Year. Rudbeckia fulgida is a Missouri native which occurs in both dry and moist soils in open woods, glades and thickets. Portland, Or. fulgida Additional insects that Rudbeckia will attract are hover flies and minute pirate bugs. Black-eyed Susans will average 2–3 feet in height and about 1–2 feet in clump width. All recommendations are for South Carolina conditions and may not apply to other areas. For more information on insecticidal soap treatments see fact sheet HGIC 2771, Insecticidal Soaps for Garden Pest Control. 3M | Like many plants, they have several common names, among which are: Black-eyed Susan, Gloriosa Daisy, and Yellow Ox Eye. Good air circulation is appreciated. Res. Rudbeckia fulgida 'Viette's Little Suzy' (Black-Eyed Susan) Add to Collection. Hardiness: 3 - 9 Sun: Full Sun, Partial Sun . Once Rudbeckia is established in the landscape, dead foliage and stems can be removed in the fall, winter, or early spring. Rudbeckia subtomentosa is a long lived perennial species with lobed basal leaves. Barbara H. Smith, ©2016 HGIC, Clemson Extension. This variety is ideal for small gardens, containers, and as cut flowers. Aphids: There are several naturally occurring predators that aid in the control of aphids, among which are green lacewing larvae and parasitic wasps. Rudbeckia fulgida is a tried and true species that has large lance-shaped basal leaves and grows to 2–3 feet in height and 2 feet in width. Experimentation continues to examine the structural characterization of the active ingredients of the root said to offer antitussive and anti-inflammatory abilities (Capek and Kardošová, 2001). This variety is a biennial or short-lived perennial hardy in zones 3 through 7. Barbara H. Smith, ©2016 HGIC, Clemson Extension. The leaves are coarse and sometimes feel like sandpaper. Apply this product during the summer can help reduce the number of Japanese Beetle grubs. ‘Toto Lemon’ grows to 12–16 inches tall and spreads 10–12 inches. You will see some insects on these plants, but not in the abundance as with some other plants. Sylva, NC: Herald Pub., Comp. Rudbeckia fulgida var. R. fulgida … A new highly oxygenated pseudoguaianolide with 5-LOX inhibitory activity from Rudbeckia hirta L. flowers. Excellent cut flower. Cherokee Plants and Their Uses: A 400 Year History. Annual Rudbeckia are planted in spring after the last chance of frost. They should be staked, watered frequently, and dead flower heads removed. Stephens Foundation, © 2011–2020 TREK BIRMINGHAM | 900 ARKADELPHIA RD BIRMINGHAM, AL 35204, Site by Scout Branding Company |Powered By WordPress, Black-eyed susan (R. fulgida) smooth stems, Hairy stem of brown-eyed Susan (R. hirta). ‘Prairie Sun’ grows to 27– 31 inches in height and spreads 12–16 inches. For more information on planting, see fact sheet HGIC 1153, Growing Perennials. Six weeks after 'Goldsturm' is brown, this plant is at its peak! They can also adapt well to average soils.Rudbeckia have a clumping, but upright habit, and coarse texture. For more specific information on how to divide Rudbeckia, see fact sheet HGIC 1150, Dividing Perennials. Honored as the 1999 Perennial Plant of the Year. 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). Smaller and finer than Rudbeckia 'Goldsturm' with 10 weeks of flowers from July into October. This species is more dependably … Kardošová, A., D. KOŠŤÁLOVÁ,, P. Capek, V. PÄTOPRSTÝ,, and S. FRAŇ0VÁ. The large yellow flowers have a whimsical look and make excellent cut flowers or even a good choice for a children’s garden or fairy garden. It grows across the United States and into Canada. Alabama Power Foundation | Deadheading old flowers will encourage re-blooming and keep the plants looking their best. The flowers are a bright and showy yellow and make perfect cut flowers and are attractants for pollinators and beneficial insects. Diseases: Rudbeckia are infrequently subject to several disease problems, such as powdery mildew, bacterial leaf spots, fungal leaf spots, stem rots, downy mildew, and fungal rusts. All of these pathogens are typically encouraged by excess moisture on the leaves (usually after frequent rain or overhead irrigation), so cultural practices, such as proper spacing to encourage air movement, the removal of dead plant material, and utilizing drip irrigation will reduce the risk for infection. A colorful, fuss-free border plant and excellent choice for cut flowers. The variety makes an excellent addition to any garden. Bright, daisy-like, golden yellow flowers with black centers cover the dark green foliage. deamii is a clump-forming, erect perennial boasting masses of rich golden yellow flowers, 3 in. Most are considered perennial; however, there are some annual species, such as R. hirta. 1975. 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. Rudbeckia hirta is also the most often Rudbeckia called black eyed susan. Rudbeckia seed may be planted directly into the garden. Seeds can be sown indoors up to 2 months before frost; however, it may take 2 years or more to develop a sizeable plant. It is short-lived but reseeds itself. These mites naturally feed on two-spotted spider mites and will provide adequate management if the spider mite populations are relatively low. Some nurseries sell seed-grown plants, howe… Pap. It is also relatively free of disease and insect problems. The showy flowers are approximately 2–3 inches in diameter with ray-like petals and a flat, dark eye center. However, colonies of Black-eyed Susans can become quite large. Black-eyed Susan (Rudbeckia hirta) is a short-lived perennial that is often planted as an annual. Rudbeckia fulgida var. Features daisy-like flowers (to 2.5" across) with yellow rays and brownish-purple center disks. sullivantii (Boynton Et Beadle) Possesses Antitussive Activity.” Chem. This variety is simply stunning. ‘Sonora’ grows to 12–16 inches in height and spreads 12–18 inches. R. fulgida is a perennial. Sullivant's Coneflower Rudbeckia fulgida sullivantii Aster family (Asteraceae) Description: This perennial wildflower is about 1½-2½' tall, branching occasionally. Amer, L. Stevenson and A.F. Rudbeckia fulgida var. Cherokee tribes used coneflowers to relieve the discomfort of many gynecological and venereal issues (Hamel and Chiltoskey, 1975). Gedara, M.M. Rudbeckia fulgida: pappus present, represented by a minute crown, stolons present, and chaff of receptacle 2.5-4 mm long (vs. R. hirta, with pappus absent, stolons … These insects are very good natural predators of garden pests, such as thrips, aphids, and whiteflies. Rudbeckia is one of those groups of plants that really can make a statement in the home garden and landscape. Coneflower, Rudbeckia fulgida goldsturm, and similar plants are easy to look after. Add to Any Collection My Collection. There are many black eyed susan varieties and cultivars of this particular species. Plants are clump forming and produce colonies via rhizomes (underground stems). Rudbeckia hirta Toto Dwarf, compact plants with golden-yellow blooms. Both of these plants are often referred to as Black-eyed Susan, hence the confusion of common plant names. Rudbeckia maxima is species native to the Southern United States. Black-eyed Susans are moderate feeders. University of Vermont Extension System Department of Plant and Soil Science, 1997. All recommendations for pesticide use are for South Carolina only and were legal at the time of publication, but the status of registration and use patterns are subject to change by action of state and federal regulatory agencies. Deadhead spent flowers to encourage additional bloom. Caterpillars: Caterpillars will cause damage, but it is usually minor. Hamel, Paul B., and Mary Ulmer Chiltoskey. ‘Autumn Colors’ grows to 20–23 inches in height and spreads 12–18 inches. However, since these can be pests themselves by digging up the lawn, it is best to prevent them with any product containing Bacillus papillae, such as Milky Spore. Rudbeckia fulgida var. Common names are from state and federal lists. It grows to 2 feet tall. Be sure to read and follow all label directions before use. Black-eyed Susan, Orange coneflower (fulgida), Brown-eyed Susan (hirta), cut-leaf coneflower (lacinata). The flower heads are 3-4 inches in diameter. Carl Linnaeus named the genus Rudbeckia is in honor of 17th century Swedish botanists Olof Rudbeck the elder and his son Olof Rudbeck the younger. Prentice-Hall Inc., Englewood Cliffs, N.J. Lee, S.Y., Y.J. Autumn Black-eyed Susan: USDA Zone: 3-9: Plant number: 1.455.030. Kardošová, A., and E. Machová. Rudbeckia hirta ‘Prairie Sun’ Rudbeckia occidentalis ‘Black Beauty’ Rudbeckia hirta ‘Toto Lemon’ Rudbeckia Gold Fountain Rudbeckia hirta ‘Chim Chiminee’ Rudbeckia hirta Rustic Colors Rudbeckia fulgida var. Once established plant outdoors after the last frost. Flowers have brown centers and radiating yellow-orange petals that curve slightly downward with teeth at their apical ends. R. hirta is an annual to short-lived perennial with characteristics very similar to R. fulgida, but its flowers have a dark brown or brown-maroon center and ‘hairy’ stems.

rudbeckia fulgida vs hirta

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rudbeckia fulgida vs hirta 2020