• Rudbeckia maxima
  • Perennial
  • Zones 4–9
  • Yellow
  • Single

Rudbeckia maxima

Large coneflower · Cabbage leaf coneflower

Perennial rudbeckia maxima black-eyed Susan in yellow, blooming in early summer and midsummer. Yellow-rayed coneflowers up to 3 inches across with slightly drooping rays and tall dark brown central cones 2 to 6 inches high. USDA zones 4–9.

Cross-referenced · 3 sources

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A Rudbeckia maxima black-eyed Susan flower up close on the plant
A Rudbeckia maxima black-eyed Susan flower up close on the plant

2 / 2

Rudbeckia maxima black-eyed Susan plants in bloom in a garden
Rudbeckia maxima black-eyed Susan plants in bloom in a garden

At a glance

Flower form
Rudbeckia maxima Single
Colors
  • Yellow
Blooms
Early summer, Midsummer
Vase life
Not grown for cutting
Height
5–7 ft (152–213 cm) Spread: 3–4 ft (91–122 cm)
Sunlight
Full sun
Hardiness
USDA zones 4–9 Perennial
Planted as
Plant
Botanical name
Rudbeckia maxima

In the garden

  • Butterflies
  • Seldom severely damaged by deer (Rutgers rating)

Find your frost dates and zone by ZIP code

Origin

Species native to open woods, moist prairies and roadsides in Arkansas, Oklahoma, Louisiana and Texas, known for huge bluish-green basal leaves.

United States

Sources

Where to buy

We're adding trusted sources for this variety.

All photos

  • A Rudbeckia maxima black-eyed Susan flower up close on the plant
    A Rudbeckia maxima black-eyed Susan flower up close on the plant
  • Rudbeckia maxima black-eyed Susan plants in bloom in a garden
    Rudbeckia maxima black-eyed Susan plants in bloom in a garden

Questions

Is Rudbeckia maxima hardy in my zone?

Rudbeckia maxima survives winter in the ground in USDA zones 4 to 9. In colder zones treat it as an annual or lift it before the ground freezes.

Does Rudbeckia maxima need full sun?

Rudbeckia maxima grows in full sun.

When does Rudbeckia maxima bloom?

Rudbeckia maxima blooms in early summer and midsummer.

Is Rudbeckia maxima good for cutting?

Our sources don't list Rudbeckia maxima as a cut flower or give a vase life for it.

See also

See all →
Golda Emanis Giant coneflower with golden spring foliage and tall yellow flowers, June to July. Rudbeckia maximaEarly summerTall
A American Gold Rush black-eyed Susan flower up close on the plant American Gold Rush Leaf spot resistant hybrid rudbeckia with golden yellow flowers, 22 to 24 inches, July until frost. Other speciesMidsummerMedium height
A Autumn Forest black-eyed Susan flower up close on the plant Autumn Forest Annual black-eyed Susan with 5 inch blooms in red, yellow and mahogany shades. Rudbeckia hirtaLate springMedium height
A Cherry Brandy black-eyed Susan flower up close on the plant Cherry Brandy Compact black-eyed Susan with single wine-red flowers 3 to 4 inches across. Rudbeckia hirtaEarly summerMedium height

Same colors

See all →
A Cherokee Sunset black-eyed Susan flower up close on the plant Cherokee Sunset AAS winning mix of mostly double black-eyed Susans in orange, gold, bronze and chocolate. Rudbeckia hirtaEarly summerMedium height
A Denver Daisy black-eyed Susan flower up close on the plant Denver Daisy Short-lived perennial black-eyed Susan with brown and gold blooms from midsummer to fall. Rudbeckia hirtaMidsummerMedium height
A Glitters Like Gold black-eyed Susan flower up close on the plant Glitters Like Gold Hybrid black-eyed Susan with 3 inch golden flowers, 2 to 3 feet, July to September. Other speciesMidsummerMedium height
A Golden Glow black-eyed Susan flower up close on the plant Golden Glow Victorian double coneflower with fully double yellow flowers on 5 to 7 foot stems, July to September. Rudbeckia laciniataMidsummerTall

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