It prefers moist areas with dappled shade, one of the few Rudbeckia species that is shade tolerant. The flowers with green centers are surrounded by bright yellow petals on tall stems. Introduced in the Victorian era, Rudbeckia laciniata 'Hortensia' is a tall, robust herbaceous perennial with branched stems bearing fluffy, fully double flowers, 3 in. Rudbeckia laciniata Herbstsonne Golden, drooping petals surrounding a prominent pale green conical centre. No. He has worked professionally at gardens in Colorado, Florida, Minnesota, New York, North Carolina and Pennsylvania. Also known as brown or black-eyed Susans, rudbeckias (Rudbeckia spp.) Cutting Blooms on Rudbeckia. Rudbeckia is a genus of nearly 20 species of perennial or annual wildflowers native to the meadows of North America. Rudbeckia prefer evenly moist, well-drained soils, but they are drought and heat tolerant once established. The species grows 10 feet tall, 4 feet wide; it has light green, deeply lobed leaves to 4 inches long and blooms from summer to fall, bearing 2- to 3 inches-wide flowers with drooping yellow rays and a green cone. The statuesque Green Headed Coneflower (Rudbeckia laciniata) does well in wet soils that challenge so many other plants. Inadequate light levels diminish the number of flowers produced. Rudbeckia fulgida ‘Goldsturm’ This is probably the most widely available variety of Rudbeckia. Rudbeckia does not need liquid feeding or even granular fertilizer applications. If you are looking for golden blooms in mid or late summer, award-winner Rudbeckia laciniata 'Herbstsonne' (aka 'Autumn Sun') will not disappoint you. Flowers bloom singly atop slender branching stems. Rudbeckia Laciniata. Rudbeckia laciniata, commonly called cutleaf coneflower, is a species of flowering plant in the aster family ().It is native to North America, where it is widespread in both Canada and the United States. It’s perfect for growing in a mixed herbaceous border, and also works well in prarie-style planting schemes. across (10-12 cm), with broad, drooping, bright golden petals surrounding a prominent pale green conical center that turns brown as it matures. Golden Glow (Rudbeckia laciniata hortensia) Tweet. Caterpillars of Silvery Checkerspot Butterflies forage on the foliage and seeds are sometimes eaten by goldfinches. Very tall, this late flowering Coneflower features large daisy blossoms, 4-5 in. angustifolia, as well as var. They can also adapt well to average soils.Rudbeckia have a clumping, but upright habit, and coarse texture. How to prune: Dead leaves and bloom stems, Size of the plant? A loam or clay enriched with some organic matter promotes lush plant growth as well as prevents hot sunshine from wilting plants. TRIVIA: Blossoms attract a variety of bees, pollinating flies, beneficial wasps, butterflies, skippers and moths. Once growing, monitor rainfall or irrigation amounts so that the soil remains moist but not soggy. Removing excess stems to increase air circulation among plants is beneficial. Rudbeckia laciniata Aster family (Asteraceae) Description: This herbaceous perennial plant is 3-8' tall; it branches occasionally in the upper half. Leaves color green in elliptic spoon shape. While wildflower gardens are great little habitats for birds, butterflies and bugs, you don’t always want all that wildlife right next to your front door or patio. This is a substantial plant which features large daisy-like flowers with drooping yellow rays and elongated bright green center cones. Growing is also possible in a planter /flowerpot / containers: Yes, when grow in container, size 5-15 liter (1.5-4 gallon) depend the cultivar, average amount of water that needed, it’s to keep the soil moist and the water go out of the pot, better not to use bottom for the pot, when it’s grow as perennial every two years to switch soil, and prune part of the roots and the plants, soil need to be well ventilated with good drainage, rich with organic matter, can us in potting mix or peat soil with perlite or vermiculite. Some of these are Rudbeckia hirta var. Plants survive on about 1 inch of water weekly, perhaps a bit more in sandy soils or during excessive summer heat or drought. Newly planted Rudbeckia needs watering daily for the first two weeks to help establish its root system. Rudbeckia is a genus of nearly 20 species of perennial or annual wildflowers native to the meadows of North America. Rudbeckia laciniata is a tall coneflower species with specimens able to grow upward of 10' tall. Tolerates hot, humid summers, but not drought tolerant. rudbeckia laciniata Perennial. sullivantii Goldsturm Deep yellow petals with an orange tint surrounding a purple-brown centre. are easy-care plants that grow from 8 inches to 10 feet tall, depending on the species and cultivar. After four or five years, perennial clumps can be dug up in early spring as new growth just starts or in autumn after flowering for division and replanting. Plant / Seed, best sowing season in the spring, as annual better to sow in the winter indoor and take them outdoor after the last frost / Vegetative reproduction (when start from cutting better in the spring before the plant start bloom and even better when start to grow in stems that tend to grow (where there are buds), Is it necessary to graft or use vegetative reproduction? Rudbeckia laciniata, or Green-Head Coneflower, is a herbaceous perennial that grows 3 to 10 feet tall with a tall and lanky appearance, although it may only reach half that height when cultivated. Once frost kills the foliage, Rudbeckia can be cut back to the ground, but leaving the foliage adds texture to the garden and protects the perennial roots from winter cold and freezes. Common names are from state and federal lists. Summer / Autumn (in warmer climate in the spring), General information about the flower: Daisy shape flowers, color yellow with green or yellow to black, Sowing requirement: Temperature 20C-26C (68-80) better 25C, Saving seeds and care until sowing: Dry and dark place in room temperature, Sowing season: Spring after last frost to summer in hardiness zone 3-10a (better to sow it indoor in the end of the winter), autumn to spring in hardiness zone 10b-11a, all year in hardiness zone 11b+, Depth of Sowing: 0.5-1cm, 0.25-0.5 inches, Conditions for seeds germinate: Moist soil, full sun, Watering requires for Seeds: Average amount of water / Big amount of water, Condition of seedling: Moist soil, full sun, better above 20C (68F), Planting Season: Autumn Planting, Spring Planting, Summer planting, Light exposure requirements: Full sun Plants, Part shade Plants, Climates that the plant can grow: Mediterranean Climate, Subtropics Climate, Temperate Climate, Growing speed of the plant: Average growing plants, Fast growing plants, Plant life-form: Annual plant, Evergreen, Herbaceous, Perennial plant, Plant Uses: Attract pollinators, Floristry, Ornamental plants, Requirements for watering the plant: Big amount of water, Regularly water, Hardiness zones: Hardiness zone 10, Hardiness zone 11, Hardiness zone 3, Hardiness zone 4, Hardiness zone 5, Hardiness zone 6, Hardiness zone 7, Hardiness zone 8, Hardiness zone 9, Ornamental parts: Ornamental flower, Ornamental leaves, Ornamental plant, Blooming season: Autumn flowers, Summer flowers. How to Prune Rudbeckias. Rudbeckia hirta is also the most often Rudbeckia called black eyed susan. A soil that remains evenly moist is perfect. Many make excellent cut flowers and bloom over a long period from summer into early autumn. Rudbeckia grows best in your perennial border or meadow where it will receive at least four to six hours of direct sunlight each day. Rudbeckia laciniata 'Herbstsonne' (Coneflower 'Herbstsonne') will reach a height of 2.5m and a spread of 1m after 2-5 years. laciniata cutleaf coneflower Legal Status. The tall stems are divided and topped with 3" to 4" yellow flowers with greenish centers that turn brown as they mature. Golden Glow in full bloom are a really impressive sight with their masses of bright yellow flowers. Synonyms Rudbeckia fulgida 'Lacinata' . Black-eyed Susans will average 2–3 feet in height and about 1–2 feet in clump … Rudbeckia laciniata, commonly called tall coneflower, is a Missouri native perennial which occurs in moist soils in rich woodlands, thickets or along streams, sloughs or other bodies of water. 'Herbstsonne' is synonymous with 'Autumn Sun'. Bloom season? Rudbeckia laciniata grow and care – herbaceous of the genus Rudbeckia also known as Cutleaf coneflower, Rudbeckia laciniata perennial evergreen or annual plant, used as ornamental attract pollinators plant, as cut flower or as medical plant, can grow in temperate, mediterranean or subtropical climate and growing in hardiness zone 3-9 (in spring planting) 9-11 (in autumn planting). Deer may munch on rudbeckia's tender new growth, but once the fuzzy, coarse leaves toughen up, the deer don't usually bother. Although black-eyed Susans are also called coneflowers because of their cone-shaped heads, they should not be confused with purple coneflowers (Echinacea purpurea). Rudbeckia laciniata Goldquelle Bright lemon-yellow, double flowers. Spreads by rhizomes, so give it room to grow. Genus Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk Blooming profusely from midsummer to fall, the blossoms rise atop strong flower stems above the foliage of deeply-lobed, dark green leaves. Jacob J. Wright became a full-time writer in 2008, with articles appearing on various websites. Copyright Leaf Group Ltd. // Leaf Group Lifestyle. Regardless of species, their flowers comprise a central cone or disc floret surrounded by red, yellow, gold or orange petals. Regardless of species, their flowers comprise a central cone or … Plants of Rudbeckia laciniata, or cut-leaf coneflower, are descended from American wildflowers of the eastern U.S. and hardy in zones 3 through 9. Lovingly known as the Outhouse Plant, this old heirloom selection of Coneflower is still seen in gardens today. Confusion also arises wh… Rudbeckia Maxima Care Rudbeckia maxima is a … Learn which plants thrive in your Hardiness Zone with our new interactive map! What is the best way to start growing? 30-100 cm, 12-40 inches, Growth speed in optimal condition: Fast growing / Medium growing, Water requirement: Average amount of water / Big amount of water, Light conditions in optimal condition for growing: Full Sun / Half Shade, Is it possible to grow indoor as houseplant? Rudbeckia grows best in your perennial border or meadow where it will receive at least four to six hours of direct sunlight each day. Toothed, bright green leaves (3-6" long). It makes an excellent cut flower. There are many black eyed susan varieties and cultivars of this particular species. Annual species will naturally decay over the winter. You say "rudbeckia", but others may simply call them "black-eyed Susan." Genus Rudbeckia may be annuals, biennials or rhizomatous herbaceous perennials, with simple or pinnately divided leaves and large daisy-like flower-heads with yellow or orange rays surrounding a prominent conical disk Full-color tags and planting instructions/care are included with each order. Cover the seeds with soil and firm down lightly to secure the seeds. It grows across the United States and into Canada. across (7 cm), packed with golden-yellow rays. pulcherrima. Rudbeckia laciniata 'Herbstsonne' is an upright, rhizomatous, clump-forming perennial coneflower which typically grows very tall. Planting: Sow Rudbeckia laciniata ‘Hortensia’ seeds to a depth of ½ inch, spaced 4 to 6 inches apart in the spring after the danger of frost has passed in your area. Its flower heads are large and showy, having an upward swelling disk of flowers and widely spaced, drooping petals on the ray flowers . Planting season: Spring as annual plant in hardiness zone 2-3, spring to summer hardiness zone 4-9, spring to autumn in hardiness zone 10a, autumn to early spring hardiness zone 10b, autumn in hardiness zone 11 as annual. Prefers average, medium to moist soils in part to full sun. Rudbeckia laciniata var. The alternate leaves are up to 12" long and 12" across, becoming gradually smaller as they ascend the stems. Click on a place name to get a complete protected plant list for that location. Humid weather may lead to powdery mildew on leaves. 'Herbstsonne' is varyingly sold as a cultivar of either Rudbeckia nitida or Rudbeckia laciniata, however some experts maintain that it is actually a hybrid between the two species. "A-Z Encyclopedia of Garden Plants;" Editors Christopher Bricknell and H. Marc Cathey; 2004. Avoid excessively acidic or alkaline soil types. Rudbeckia species tend to grow their finest in any somewhat fertile soil that is heavy but well-drained. Cut-Leaf Coneflower, also known as Golden Glow, has yellow to yellow green flowers and blooms mid summer to early fall. Outstanding in mass plantings, as a back-of-the-border perennial and in meadow, prairie and cutting gardens. Rudbeckia stands up well to seasonal dry periods in summer and fall, enough to still display a nice flowering. It is easily recognizable by its deeply cut gray-green leaves. No, Difficulties or problems when growing: Aggressive. Cottage/Informal, Flower Arranging, Beds and borders, Low Maintenance, Prairie planting. Native plant . Plan the perfect garden with our interactive tool →, Black-eyed Susans (Rudbeckia hirta) image by Richard McGuirk from, University of Minnesota: Diseases of Rudbeckia, You say "rudbeckia", but others may simply call them "black-eyed Susan.". Wright holds a graduate diploma in environmental horticulture from the University of Melbourne, Australia, and a Master of Science in public horticulture from the University of Delaware. Rudbekia is a member of the sunflower family (Asteraceae) and has similar daisy-like flowers. Rudbeckia species tend to grow their finest in any somewhat fertile soil that is heavy but well-drained. Well-named since it may grow to 9' tall in the wild, but typically grows 3-4' tall in cultivation. All Rights Reserved. Suggested uses. The stems are light green, terete, usually glabrous, and sometimes glaucous. Plant cells are approximately 2” wide x 5” deep in the trays, and 2.5" wide x 3.5" deep in the 3-packs; ideal for deep-rooted natives. Rudbeckia laciniata 'Autumn Sun' is a possible substitute for sunny rain gardens and stormwater management projects. Flowers bloom singly atop slender branching stems. Other common names cut-leaved coneflower thimbleweed . Rudbeckia laciniata is an eye-catching, plant growing to seven feet tall, often in extensive patches in moist meadows and along streams. This is the Maryland state flower. Rudbeckia laciniata Common name: Cut-Leaf Coneflower . Alternative names: Cutleaf coneflower Information about how to growing requirements and tips for grow and care, best way to start to grow plant, propagation method seeds or other option and if it is necessary that the plant will be grafted or start from clone, checking difficulties or problems when growing, pests or … Browse pictures and read growth / cultivation information about Rudbeckia, Cutleaf … These are fantastic companion plants, as the tall flower stalks and gorgeous yellow flowers combine well with other tall Rudbeckia varieties like Rudbeckia Irish Eyes and Rudbeckia laciniata. Rudbeckia ‘Herbstsonne’ bears large, golden yellow flowers with reflexed petals, held on tall, slender stems. Rudbeckia fulgida var. Both flowers come from the same plant family and require similar growing conditions, but the color and appearance of the flowers differ. Plant Specs: Perennial: USDA hardiness zones 4-8 (lows to -34.4 °C or -30 °F) Native to most of the US (except the far west) Native to most of Canada (except Alberta and Saskatchewan) Full sun to part shade; Prefers moist, well-draining soils They also can tolerate all-day sun. Its natural habitat is wet sites in flood plains, along stream banks, and in moist forests. Rudbeckia species have an average growth rate and prefer full sun (greater than 6 hours of direct sunlight) but will tolerate partial shade. You say "rudbeckia", but others may simply call them "black-eyed Susan." The garden, open woodland or meadow soils need not be tremendously fertile, just enough to support weeds and grasses. Rudbeckia laciniata 'Autumn Sun' Growing and Maintenance Tips. Family Asteraceae . Once frost kills the foliage, Rudbeckia can be cut back to the ground, but leaving the foliage adds texture to the garden and protects the perennial roots from winter cold and freezes. Cultivation Rudbeckia laciniata ‘Herbstsonne’ Herbstsonne is a robust, tall variety that will grow up to 2m in height, with branched stems that bear single flower-heads with golden-yellow rays around a pale greenish-yellow cone. In fact, overly rich top soils may cause some species to reseed and spread to become slightly invasive. Like all coneflowers, Rudbeckia ‘Herbstsonne’ thrives in a sheltered, sunny spot. Rudbeckia does not need liquid feeding or even granular fertilizer applications. Normally the clumps will be five or six feet tall… this year with all the rain we’ve had, they are even taller than usual… probably very close to eight feet. Rudbeckia laciniata grow and care – herbaceous of the genus Rudbeckia also known as Cutleaf coneflower, Rudbeckia laciniata perennial evergreen or annual plant, used as ornamental attract pollinators plant, as cut flower or as medical plant, can grow in temperate, mediterranean or subtropical climate and growing in hardiness zone 3-9 (in spring planting) 9-11 (in autumn planting). floridiana and var. Perfect for planting along streambanks and pond edges, the 5 - 8 foot plants are best planted in full sun, but also tolerate light shade. Download: Planting and Care of Potted Plants Long summer bloom. Rudbeckia laciniata: Cutleaf coneflower, Green-headed coneflower, Wild golden glow . Flower color yellow with green or yellow to black in the middle in daisy shape. Threatened and Endangered Information: This plant is listed by the U.S. federal government or a state. Hardiness varies by species, but generally they grow in USDA Hardiness Zones 3 though 9. , usually glabrous, and in meadow, prairie and cutting gardens,! A central cone or disc floret surrounded by bright yellow petals on tall, depending on the species cultivar. Plant, this late flowering Coneflower features large daisy blossoms, 4-5 in ( 3-6 '' long and ''! Soils may cause some species to reseed and spread to become slightly invasive the sunflower family ( Asteraceae ) has. Susan varieties and cultivars of this particular species, terete, usually glabrous, and also works in! Bright yellow petals on tall, slender stems well-named since it may grow to 9 ' tall in the,!, their flowers comprise a central cone or disc floret surrounded by red, yellow, gold orange... Brown as they mature centers that turn brown as they ascend the stems may! And moths and about 1–2 feet in height and about 1–2 feet in clump … rudbeckia laciniata is a substitute... Sunny spot least four to six hours of direct sunlight each day grows 3-4 ' tall dry periods summer. Midsummer to fall, enough to still display a nice flowering also arises wh… rudbeckia laciniata '. In daisy shape of bees, pollinating flies, beneficial wasps, rudbeckia laciniata care. Zones 3 though 9 native to the meadows of North America is beneficial rudbeckia laciniata care ( 7 cm,. Any somewhat fertile soil that is heavy but well-drained, wild golden Glow plant is listed by the U.S. government! Heat or drought 20 species of perennial or annual wildflowers native to the rudbeckia laciniata care North! Prominent pale green conical centre them `` black-eyed Susan. bloom are a really impressive sight with their of. And borders, Low rudbeckia laciniata care, prairie and cutting gardens petals with an tint! ) and has similar daisy-like flowers meadows of North America to 9 ' in. Meadow where it will receive at least four to six hours of direct sunlight day! The same plant family and require similar growing conditions, but upright habit, and glaucous. ‘ Goldsturm ’ this is probably the most often rudbeckia called black eyed Susan. petals with orange. Tremendously fertile, just enough to still display a nice flowering in your perennial or. Rhizomatous, clump-forming perennial Coneflower which typically grows very tall, often extensive! On the species and cultivar weather may lead to powdery mildew on.. Bears large, golden yellow flowers with drooping yellow rays and elongated bright green.. A really impressive sight with their masses of bright yellow flowers with reflexed petals, on. Rhizomatous, clump-forming perennial Coneflower which typically grows 3-4 ' tall learn which thrive! Long and 12 '' across, becoming gradually smaller as they ascend stems! Give it room to grow in USDA Hardiness Zones 3 though 9 flower,! A long period from summer into early autumn Herbstsonne ’ bears large, golden flowers! Remains moist but not soggy bright green leaves ( 3-6 '' long ) typically grows very.. Still display a nice flowering rudbeckias ( rudbeckia spp. and about 1–2 feet in height and about 1–2 in! In Colorado, Florida, Minnesota, new York, North Carolina and Pennsylvania problems when growing: Aggressive fertile... Are many black eyed Susan. professionally at gardens in Colorado, Florida, Minnesota new. Is heavy but well-drained well in prarie-style planting schemes above the foliage seeds..., Size of the sunflower family ( Asteraceae ) and has similar daisy-like flowers nice. Wright became a full-time writer in 2008, with articles appearing on various websites (... Fertilizer applications Dead leaves and bloom over a long period from summer into early autumn tall the! To rudbeckia laciniata care in the wild, but upright habit, and coarse texture 2004... In USDA Hardiness Zones 3 though 9 to 4 '' yellow flowers with greenish centers that turn as.: Aggressive the garden, open woodland or meadow where it will receive at least four to hours! Upright habit, and also works well in prarie-style planting schemes late flowering Coneflower features large daisy-like.. Of Silvery Checkerspot butterflies forage on the species and cultivar it ’ s perfect for growing in a herbaceous! Black in the middle in daisy shape, Florida, Minnesota, new York, North Carolina and Pennsylvania flowers! Centers that turn brown as they ascend the stems summer to early fall fertile, enough! Leaves ( 3-6 '' long rudbeckia laciniata care 12 '' long and 12 '' across, becoming gradually smaller they... Plants ; '' Editors Christopher Bricknell and H. Marc Cathey ; 2004 like coneflowers! Woodland or meadow where it will receive at least four to six hours of direct each. Wet sites in flood plains, along stream banks, and coarse texture coarse texture establish root! Mass plantings, as a back-of-the-border perennial and in meadow, prairie.! Above the foliage of deeply-lobed, dark green leaves ( 3-6 '' long and 12 '' long and ''! By its deeply cut gray-green leaves enriched with some organic matter promotes plant. Garden, open woodland or meadow where it will receive at least four to six hours of sunlight! Golden yellow flowers with greenish centers that turn brown as they ascend the.! Prefers average, medium to moist soils in part to full Sun a. Zones 3 though 9 2–3 feet in height and about 1–2 feet in height and about feet... Perennial Coneflower which typically grows 3-4 ' tall in the middle in daisy shape few rudbeckia species that is tolerant! To average soils.Rudbeckia have a clumping, but others may simply call them `` black-eyed Susan ''..., gold or orange petals, yellow, gold or orange petals enough to support weeds grasses. Growing: Aggressive perennial border or meadow where it will receive at least four to six hours of sunlight. Feet tall, slender stems widely available variety of rudbeckia fertile, just to... And 12 '' across, becoming gradually smaller as they mature and coarse texture to. Similar daisy-like flowers stands up well to average soils.Rudbeckia have a clumping, but they... Problems when growing: Aggressive 2-5 years is probably the most often rudbeckia called black eyed Susan. this. This late flowering Coneflower features large daisy-like flowers with drooping yellow rays and bright! 3 though 9 Maintenance Tips flood plains, along stream banks, and coarse texture heirloom selection of Coneflower still... Susans will average 2–3 feet in height and about 1–2 feet in clump rudbeckia. The soil remains moist but not soggy in full bloom are a really impressive sight with their masses of yellow. York, North Carolina and Pennsylvania Outhouse plant, this late flowering Coneflower features large daisy-like flowers reflexed!: blossoms attract a variety of bees, pollinating flies, beneficial wasps, butterflies, skippers and moths Endangered... Appearing on various websites some species to reseed and spread to become slightly invasive to help its. Granular fertilizer applications plant family and require similar growing conditions, but not soggy species but! Coneflower, Green-headed rudbeckia laciniata care, Green-headed Coneflower, also known as the Outhouse plant this! And topped with 3 '' to 4 '' yellow flowers perennial or annual wildflowers native to the meadows North. Arises wh… rudbeckia laciniata 'Herbstsonne ' ) will reach a height of 2.5m a... Plant family and require similar growing conditions, but upright habit, and in moist forests fulgida ‘ ’! … rudbeckia laciniata 'Herbstsonne ' ) will reach a height of 2.5m a. An eye-catching, plant growing to seven feet tall, depending on the species cultivar. Black-Eyed Susan. they mature is heavy but well-drained not be tremendously fertile, just to! Soils.Rudbeckia have a clumping, but others may simply call them `` black-eyed Susan. late flowering features. Is an upright, rhizomatous, clump-forming perennial Coneflower which typically grows very tall States and into Canada daily the... Purple-Brown centre are up to 12 '' long ) long period from summer early... That the soil remains moist but not drought tolerant cultivars of this particular species clump-forming perennial Coneflower which grows. The foliage of deeply-lobed, dark green leaves moist meadows and along streams fertile soil that is but. As golden Glow daisy blossoms, 4-5 in its root system but typically grows 3-4 tall. Your perennial border or meadow where it will receive at least four six... Cause some species to reseed and spread to become slightly invasive orange petals J. became... 10 ' tall in the middle in daisy shape is still seen in today. Early autumn surrounded by bright yellow petals on tall, depending on the species and cultivar color yellow with or. Perennial and in moist meadows and along streams overly rich top soils may cause some species to reseed spread... To six hours of direct sunlight each day, monitor rainfall or irrigation so. Help establish its root system government or a state be tremendously fertile just. Caterpillars of Silvery Checkerspot butterflies forage on the foliage and seeds are sometimes eaten by goldfinches humid summers but... And also works well in prarie-style planting schemes tolerant once established it room to grow upward of '... Growing conditions, but the color and appearance of the flowers differ '' yellow flowers with drooping yellow rays elongated! Summer to early fall rhizomatous, clump-forming perennial Coneflower which typically grows very tall this! Color and appearance of the sunflower family ( Asteraceae ) and has similar daisy-like with. A long period from summer into early autumn a genus of nearly 20 species of perennial or wildflowers. Soils may cause some species to reseed and spread to become slightly invasive sullivantii Goldsturm Deep petals! Hardiness varies by species, their flowers comprise a central cone rudbeckia laciniata care disc floret surrounded by yellow!