Rudbeckia, Black-Eyed Susan, Gloriosa Daisy 'Indian Summer'

Rudbeckiahirta

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Rudbeckia (rud-BEK-ee-a)
Species
hirta (HER-tuh)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Evergreen
Herbaceous
This plant is resistant to deer
Height
24-36 in. (60-90 cm)
Spacing
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
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
Gold (yellow-orange)
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Blooms repeatedly
Other Details
Category
Annuals
Biennials
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
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
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:

Dothan, Alabama

Marion, Arkansas

Citrus Heights, California

Duarte, California

Largo, Florida

Pensacola, Florida

Buford, Georgia

Cordele, Georgia

Lawrenceville, Georgia

Cherry Valley, Illinois

Rockford, Illinois

Iowa City, Iowa

Hebron, Kentucky

Abita Springs, Louisiana

Hammond, Louisiana

Youngsville, Louisiana

Parkville, Maryland

West Springfield, Massachusetts

Dearborn Heights, Michigan

Pinconning, Michigan

Springfield, Missouri

Bayville, New Jersey

Fanwood, New Jersey

Metuchen, New Jersey

Mount Laurel, New Jersey

Himrod, New York

Orchard Park, New York

Somers, New York

Broadway, North Carolina

Kannapolis, North Carolina

Defiance, Ohio

Geneva, Ohio

Marietta, Ohio

West Chester, Ohio

Drexel Hill, Pennsylvania

Phoenixville, Pennsylvania

North Augusta, South Carolina

Knoxville, Tennessee

Richmond, Texas

San Antonio, Texas

Sterling, Virginia

Alderwood Manor, Washington

Brier, Washington

Kalama, Washington

Olympia, Washington

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Gardener's Notes:

8
positives
0
neutral
1
negative
Sort By:
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V
(Zone 8a) | July 2015 | positive

It has only grown in my garden for one season, so no invasiveness issues yet. I have r. Goldstrum and r. Denver Daisy planted relatively...Read More

C
Youngsville, LA | March 2012 | positive

I discovered this variety of rudbeckia because I couldn't find Rudbeckia 'Eary Bird Gold'. Poole Brothers in Forest Hill, LA suggested R...Read More

F
Republic, MO | July 2011 | positive

Love this plant! Very impressive statement in the garden!! It is grown in the Master Gardener Demonstration Gardens at Nathanael Greene...Read More

H
Broadway, NC (Zone 7b) | April 2011 | positive

We planted 8 of these last spring. So far this spring 4 are returning. We loved these blooms so much this past season that we purchased...Read More

G
Harpersfield, OH (Zone 5a) | June 2010 | negative

I bought and planted 2 of these in different areas of my yard last summer-2009. Neither one came back this year. We have heavy snows in ...Read More

R
Lynnwood, WA | July 2005 | positive

I purchased 3 of these plants last fall, they kept blooming right through to November. In winter they died back, but in spring they boun...Read More

B
Sterling, VA (Zone 6b) | June 2004 | positive

I planted three of these plants in my garden last year and love it! The flowers are huge, the foliage is handsome, and the bloom season ...Read More

J
Phoenixville, PA (Zone 6b) | July 2003 | positive

Bought one of these this year for the first time. My plant is now almost 4 feet tall and blooms range from 4 to 5 inches across on long s...Read More

M
Fayette, IA (Zone 4b) | July 2003 | positive

The seed packet listed this as an annual in our area - Zone 4b - but I have had several plants come back 3 or more years. Better yet, it ...Read More

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