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Rudbeckia (Black-Eyed Susan)
at Digging Dog

Including Rudbeckia fulgida, Rudbeckia fulgida speciosa (Newmanii), Rudbeckia grandiflora, Rudbeckia subtomentosa, and Rudbeckia triloba

Rudbeckia

Black-Eyed Susan

Named by Linnaeus in honor of his teacher Olaf Rudbeck, this North American genus includes 25 to 30 species, many of them famous summer, especially late season, bloomers. These selections are easy to grow, make fine cut flowers, and will brighten any border or naturalized meadow. Offering interest also in the late fall and winter, they combine well with Aster, Eupatorium, and grasses.


Rudbeckia fulgida var. deamii  full sun  new plant
Deam’s Black-Eyed Susan

A resilient central and southeastern U.S. native, this undemanding queen of yellow wields her scepter over the late season garden. Each glorious, large golden disc hosts a pronounced velvety dark chocolate center and 12 to 21 ebullient rays. Crowning strong, branched upright stems and hairy, oblong thick dark green leaves, the intriguing pointed green calyces unfurl a profuse sunny gala that entrances butterflies, song birds, florists and plant enthusiasts. Adaptable Deam’s Black-Eyed Susan can be added to stylized meadows, perennial borders and cottage gardens, where she thwarts pests and tolerates occasional drought plus clay or rocky soil.

Blooms July–September

Size: 2-1/2'–3' 0" high x 15" wide; hardy to zone 3.

Rudbeckia fulgida var. deamii (P-1949)
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Rudbeckia fulgida speciosa (Newmanii)  full sun
Compact Black-Eyed Susan
Rudbeckia fulgida speciosa (Newmanii)

Somewhat wilder looking than most of the well-known cultivars, this species holds bright orange-yellow flowers with densely clustered petals on strong, wiry stems. In our garden, its open habit is backed by Persicaria ‘Summer Dance’.

Blooms late July–September.

Size: 2' 0" high x 2' 0" wide; hardy to zone 4.

Rudbeckia fulgida speciosa (Newmanii) (P-0552)
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Rudbeckia fulgida ‘Swiss Gold’  full sun
Black-Eyed Susan
Rudbeckia fulgida Swiss Gold

You probably know ‘Swiss Gold’ as Black-Eyed Susan, those robust, bright orange-yellow American daisies with the dark centers. As charming in seed as it is in flower, its abundant chocolate-brown seed heads last until Thanksgiving. Strong stems bear flowers almost 3 ft. high without staking; foliage is dark green and hirsute.

Set a meadow ablaze with a large drift. Effective with Eupatorium ‘Gateway’, Aster ‘Coombe Fishacre’ and Deschampsia ‘Goldgehänge’ for texture.

Blooms August–October.

Size: 2-1/2' high & spreading; hardy to zone 4.

Rudbeckia fulgida ‘Swiss Gold’ (P-1399)
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Rudbeckia grandiflora ‘Sundance’  full sun

Reminiscent of a bright French parasol, ample golden yellow petals are elegantly draped around large, pointed, purplish brown central cones that captivate finches, floral designers and gardeners alike. An exciting new Jelitto introduction selected from the native drought tolerant species, which inhabits the western Mississippi valley, ‘Sundance’ grows tall with hairy, straight steadfast stems in no need of staking. Good-sized and deep green, oblong basal leaves anchor the late blooming fiesta described by a single sunlit flower topping each stalk and a multitude of stalks.

Consider massing in a more natural landscape or nestling into the border with Poa cita and Aster ‘Raydon’s Favorite’ for company.

Blooms August – October.

Size: 3' 0"–4' 0" high x 2' 0"–3' 0" wide; hardy to zone 5.

Rudbeckia grandiflora ‘Sundance’ (P-1583)
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Rudbeckia laciniata ‘Goldquelle’  full sun

This Rudbeckia’s sassy Dahlia-like mop of double lemon-yellow flowers promises to put a smile on your face. Perched atop wiry upstanding stems and handsome narrow-lobed green leaves, the shapely chartreuse-eyed daisies bloom for a long time, while creating a dramatic medium-sized counterpoint to Aconitum ‘Bressingham Spire’s vertical blue-violet shafts.

Blooms mid-July – September.

Size: 2-1/2'–3' 0" high x 2' 0" wide; hardy to zone 4.

Rudbeckia laciniata ‘Goldquelle’ (P-1552)
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Rudbeckia occidentalis ‘Green Wizard’  full sun
Rudbeckia occidentalis Green Wizard

If you appreciate the curious, the unusual, the truly unique, then allow this novelty to work some magic in your garden. From a leafy green basal clump appear 3 to 5 in. wide flowers on sturdy stalks, each featuring a huge central chocolate brown boss encompassed by approximately ten large and stiff well-spaced bright green sepals.

Unparalleled as a cut flower fresh or dried, florists, gardeners and birds seek out these extraordinary blooms that first form an intriguing golden ring of pollen around their striking cones. Quick to establish and undemanding, this attention grabber guarantees a flashy display of neon color when paired with Kniphofia linearifolia and Salvia ‘Limelight’.

Blooms July–September.

Size: 3' 0"–5' 0" high x 2-1/2' wide; hardy to zone 4.


Rudbeckia occidentalis ‘Green Wizard’ (P-1294)
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Rudbeckia paniculata  full sun

Languid petals in lemon yellow shades lazily encircle prominent beehivelike, chartreuse cones during the idle days of summer. With rough surfaces and fuzzy undersides, the broad and deeply clefted green leaves attire sturdy clumping stems in an airy, opposite fashion. This Rudbeckia makes a sunny neighbor for Aster asperulus above our stone wall.

Blooms July–August.

Size: 3' 0"–4' 0" high x 2' 0" wide; hardy to zone 4.

Rudbeckia paniculata (P-1295)
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Rudbeckia subtomentosa  full sun
Sweet Coneflower
Rudbeckia subtomentosa

A Midwestern prairie girl that delivers outstanding flower power along with unwavering fortitude, this taller Black-Eyed Susan cousin is named for her anise-scented daisies. Radiant yellow petals surround purple-brown domed centers creating a buoyant sea of color all summer long. Perfectly branched for bouquets, the sturdy, straight-backed stems host toothed, deep green lush-looking leaves sporting downy undersides.

Blooms August–September.

Size: 4' 0" high x 2' 0" wide; hardy to zone 3.

Rudbeckia subtomentosa (P-1398)
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Rudbeckia triloba ‘Prairie Glow’  full sun

Spangled with burgundy, bronze and reddish orange shades, irresistible legions of ebullient long blooming daisies parade dark chocolate centers and bicolor gold-tipped petals. At the base, large trilobed verdant leaves form a handsome bushy mass that gives way to upper, narrower leaves and openly branched, erect purple flowering stems.

A denizen of the Great Plains, this summertime showstopper is not as long-lived as other Rudbeckias; it eventually wears out, but easily reseeds.

Blooms July – mid-October.

Size: 3' 0"–4' 0" high x 15" wide; hardy to zone 3.

Rudbeckia triloba ‘Prairie Glow’ (P-1713)
Each $7.25
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Current Staff's Favorite Plant

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Our featured plant: Hydrangea quercifolia 'Sikes Dwarf'

Perennials that cool down a hot summer day, refreshing foliage, soothing blooms, last chance to take advantage of our summer sale!

Bring sparkling beauty to your August plantings

Perhaps you’re looking for some soothing floral or foliar accents on a hot summer day! We’ve found that snowy white, clear pink, pale yellow and deep blue blooms coupled with silver, bluish green or emerald-toned leaves become refreshing counterpoints to warmer-hued flowers. They offer a place where your eye can rest, much like cleansing your palette when tasting wine. These shades meld the spicy-colored flowers of many Achillea, Crocosmia, Dahlia, Geum, Helenium, Kniphofia, Rudbeckia and Salvia.

Our next guided Saturday Strolls is August 19th., followed by September 16th & October 7th. We hope you’ll come visit us this summer.

Digging Dog's Early August 2017 Newsletter Link

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