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Rudbeckia triloba 'Prairie Glow' (three-lobed coneflower) Rudbeckia triloba 'Prairie Glow' (three-lobed coneflower)
Image courtesy of ©2020 Jelitto Perennial Seeds

Rudbeckia triloba 'Prairie Glow'

three-lobed coneflower or brown-eyed Susan

Rudbeckia triloba 'Priarie Glow' has our attention! With brightly colored flowers of yellow with a bright red eye fading to a glowing orange to bronze, this native beauty brings fire to the sunny border. It's multi-branching habit provides dense flower cover, more so than the straight species, and it's late blooming time, starting in July and flowering right through to October, makes this a valuable pollinator plant. 

SIZE
Rudbeckia triloba 'Prairie Glow' LP50 - 50 per flat Availability
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Height

24-40 in

Spread

12-18 in

Bloom Color

Mixed Colors

USDA Hardiness Zone 4-8

three-lobed coneflower Interesting Notes

Rudbeckia triloba is a bushy, free-flowering, 2-3' (to 5') tall biennial or short-lived perennial that readily self sows and is very effective for naturalizing. It features masses of 1-2” wide, daisy-like, golden-yellow flowers with flat, purplish-brown centers on hairy stems from late summer to early fall. The thin, rough textured upper leaves are oval to lance-shaped and sometimes three-lobed at the base. Performance is best in moist but well-drained, humus-rich soil in full sun. Perfect for an informal garden, it also makes a good cut flower. Plant with Echinacea purpureaEutrochium maculatumConoclinium coelestinumSymphyotrichum laeve, and Vernonia novaboracensis. - Mt. Cuba Center


1997 Georgia Gold Medal Winner: Three-lobed Coneflower (Rudbeckia triloba) is a knockout in the late summer landscape with its showy floral display of bright yellow flowers. Like other Rudbeckia species, Three-lobed Coneflower is very drought - heat - and pest-tolerant. It's an excellent choice for rock gardens, banks or other drought-prone sites. Native to the United States, Three-lobed Coneflower is well-adapted to poor soils and requires little care. It's an excep­tional perennial for the low-maintenance gardener.

Plant Characteristics: Three-lobed Coneflower starts bloom­ing about the first week in August, and flowering continues well into September. It blooms a few weeks after Rudbeckia 'Goldsturm' and a month after the species Rudbeckia hirta is past its prime, so it's a great plant for a garden suffering from midsummer blahs! - State Botanical Garden of Georgia, Gold Medal Plant Program

Rudbeckia triloba 'Prairie Glow' Growing and Maintenance Tips

Prefers sandy or loamy, moist soils, but is drought resistant. Spreads slowly by rhizomes. Deadhead to prolong blooming season. Propagate by seed, cuttings and division. Cut back to the ground after first frost and mulch to protect roots for the winter. Outstanding in mass plantings, as a border perennial, or in rock or low maintenance gardens.

Good Substitutions

three-lobed coneflower Rudbeckia triloba

Key Characteristics & Attributes

Deer Resistant
Deer Resistant
Butterflies
Butterflies
Full Sun
Full Sun
Summer
Summer
Average
Average
Moist
Moist
Groundcover
Groundcover
Drought Tolerant
Drought Tolerant
Cut Flower
Cut Flower

Additional Information

Season of Interest (Flowering)
Late Summer
Fall
Soil Moisture Needs
Well-Drained
Plug Type
Landscape Plug™
Propagation Type
Seed cultivar
Attributes
Moist Sun
Native to North America
Dry Sun