Giant coneflower

Rudbeckia maxima

Photo/Illustration: 
Amy Fahmy
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Giant coneflower (Rudbeckia maxima)
rud-BEK-ee-ah MAKS-ih-mah
Genus:  Rudbeckia
This choice species makes a strong vertical statement with its large, smooth, sea-green leaves and towering stems to 6 feet tall. It bears short, yellow ray florets with giant, upright cones at the center. It prefers average soil with good drainage, and is excellent in native or wild plantings.
Noteworthy Characteristics:  Rudbeckias hail from the moist meadows and dappled woods of North America. They are suitable for mixed borders, meadows, native gardens, open woods, and large annual displays. 
Care:  Grow in average, slightly heavy but well-drained soil in full sun to partial shade.
Propagation:  Sow seed in a cold frame in early spring, or divide plants in spring or fall.
Problems:  Aphids, powdery mildew, smut, rust, Ramularia and Septoria leaf spots, snails, slugs.

Overview

Height
3 ft. to 6 ft.
Spread
1 ft. to 3 ft.
Growth Habit
Clumps
Growth Pace
Moderate Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Low
Characteristics
Attracts Birds,
Attracts Butterflies,
Native,
Self Seeds,
Showy Flowers,
Showy Foliage,
Showy Seed Heads
Bloom Time
Fall,
Summer
Flower Color
Brown Flower,
Yellow Flower
Uses
Beds and Borders,
Cut Flower,
Naturalizing,
Roadside
Style
Cottage Garden,
Meadow Garden
Seasonal Interest
Summer Interest
Type
Perennials

Related Plants to Rudbeckia maxima

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Purple coneflower
Echinacea purpurea
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Orange Coneflower
Rudbeckia fulgida var. sullivantii 'Goldsturm'
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Purple coneflower
Echinacea purpurea 'Magnus'
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Sweet coneflower
Rudbeckia subtomentosa