Rudbeckia Species, Orange Black-eyed Susan, Orange Coneflower

Rudbeckiafulgida

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Rudbeckia (rud-BEK-ee-a)
Species
fulgida (FUL-jih-duh)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Evergreen
Herbaceous
Height
18-24 in. (45-60 cm)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 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)
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Non-patented
Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Huntsville, Alabama

Fayetteville, Arkansas

Shingletown, California

Keystone Heights, Florida

Cornelia, Georgia

Chicago, Illinois

Jacksonville, Illinois

Waukegan, Illinois

Bremen, Indiana

Fishers, Indiana

Indianola, Iowa

Hebron, Kentucky

Gaithersburg, Maryland

Rockville, Maryland

Dearborn Heights, Michigan

Traverse City, Michigan

Minneapolis, Minnesota

Belton, Missouri

Cole Camp, Missouri

Auburn, New Hampshire

Frenchtown, New Jersey

Albuquerque, New Mexico

Sugar Grove, North Carolina

Winston Salem, North Carolina

Dayton, Ohio

Glouster, Ohio

Guysville, Ohio

Mount Orab, Ohio

Bend, Oregon

Brookhaven, Pennsylvania

Norristown, Pennsylvania

Watsontown, Pennsylvania

Hendersonville, Tennessee

Hixson, Tennessee

Dallas, Texas

Palmer, Texas

Broadway, Virginia

Norfolk, Virginia

Spokane, Washington

Liberty, West Virginia

Rosedale, West Virginia

Fort Atkinson, Wisconsin

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Featured Videos

Gardener's Notes:

9
positives
3
neutrals
1
negative
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R
Downingtown, PA | February 2014 | positive

This is the mother species that does not spread by underground rhizomes like 'Goldstrum'. It does self sow a lot which can be a blessing ...Read More

B
B
Waukegan, IL | January 2009 | positive

I like this better than the cultivar "Goldstrum". It is resistant to powdery mildew and the leaves do not turn patchy (black). The habit ...Read More

S
(Zone 6a) | March 2006 | positive

I grow this in hard clay soil in sun/part shade. It grows very well there and I don't find it invasive at all. I grow it with Purple Cone...Read More

R
Albuquerque, NM | June 2005 | positive

Imagine my surprise when this 2 ft. tall by 2 ft. wide beauty popped up in my tiny driveway bed this March (fullsun/slightly sheltered/so...Read More

H
St John's, NL | September 2004 | positive

We grow cv "Goldsturm" which does not have the bad habits referred to by some people above. I suspect some of them are just looking at t...Read More

Z
Winston Salem, NC | May 2004 | positive

This flower is by far one of my favorites. I purchased two plants at a local nursery, and now 3 years later I have about 12 of them. Make...Read More

H
Lilburn, GA (Zone 8a) | October 2003 | positive

This black-eyed susan makes an excellent ground cover for banks. It is not a very fast spreader, but each year the area is a little large...Read More

L
Jeffersonville, IN (Zone 6a) | August 2003 | positive

Very attractive plant with large, smooth, dark green leaves. Mine grows 38" tall. Blooms second year from seed. The cultivar 'Goldsturn' ...Read More

M
Haverhill, MA (Zone 6b) | July 2003 | neutral

A common wild flower in New England. If you bring it into your wild flower garden, and change your mind, it's the "dickens" to get rid of...Read More

B
B
Sugar Grove, NC | July 2003 | positive

We love the way that this brightly colored plant grows and looks on our rocky hillside - very hardy here in our mouintains. Does well wi...Read More

L
Grove City, OH (Zone 6a) | May 2002 | negative

This plant grows enormously big within a year, with new crowns appearing all season. Self-seeds to a point considered to be invasive. P...Read More

T
Kearney, NE (Zone 5a) | September 2001 | neutral

Unlike Rudbeckia hirta, this species is not susceptible to powdery mildew.

J
J
MD &, VA (Zone 7b) | November 2000 | neutral

This species of Rudbeckia contains the most common grown 'Goldsturm'. It grows to about 2' tall and has lancelote leaves. The flowers are...Read More

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