Rudbeckia Species, Greenhead Coneflower, Cutleaf Coneflower, Wild Goldenglow, Sochan

Rudbeckialaciniata

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Rudbeckia (rud-BEK-ee-a)
Species
laciniata (la-sin-ee-AY-tuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Smooth
Height
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
Bloom Color
Pale Yellow
Bright Yellow
Pale Green
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Orange/Apricot
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Vincent, Alabama

Flagstaff, Arizona

Lula, Georgia

Geneva, Illinois

Iowa City, Iowa

Millersville, Maryland

Westminster, Maryland

Midland, Michigan

Pinconning, Michigan

Minneapolis, Minnesota

Elsberry, Missouri

Frenchtown, New Jersey

Kure Beach, North Carolina

Media, Pennsylvania

Pittsburgh, Pennsylvania

Valencia, Pennsylvania

West Chester, Pennsylvania

Wilkes Barre, Pennsylvania

Okatie, South Carolina

Arlington, Tennessee

South Jordan, Utah

Leesburg, Virginia

Newport News, Virginia

Vienna, Virginia

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Featured Videos

Gardener's Notes:

4
positives
0
neutral
0
negative
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W
Pittsburgh, PA | August 2022 | positive

This plant is easily grown from stratified seed, and blooms well in the second year. It gets visited by various native bees and butterfli...Read More

R
Downingtown, PA | February 2014 | positive

A good-looking native perennial that I have seen wild in a few spots in se Pennsylvania in colonies and also planted as colonies at land ...Read More

M
Coon Rapids, MN (Zone 4a) | March 2006 | positive

This is a vigorous tall plant, often taller than I am (at 5 feet 11 inches) It have suprising shade tolerant but prefer part shade at wo...Read More

P
Westminster, MD (Zone 6b) | July 2005 | positive

This is not a plant that I would move into the perennial bed -- it's quite tall, and the blossoms are more acid-yellow than I like for bl...Read More

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