Home / Guides / Plant Files / Asteraceae

Rudbeckia, Black-Eyed Susan, Gloriosa Daisy 'Toto'

Rudbeckiahirta

Upload Image Print Article
Rudbeckia hirta by growin
View Gallery 6 photos
Upload Image Print Article
Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Rudbeckia (rud-BEK-ee-a)
Info
Species
hirta (HER-tuh)
Info
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Succulent
Height
6-12 in. (15-30 cm)
Spacing
9-12 in. (22-30 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)
Danger

Unknown - Tell us

Bloom Color
Gold (yellow-orange)
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter
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

Unknown - Tell us

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

Unknown - Tell us

Other details

Unknown - Tell us

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

Unknown - Tell us

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
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Bag seedheads to capture ripening seed
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:

Lanett, Alabama

Brooksville, Florida

Gainesville, Florida

Grayslake, Illinois

Binghamton, New York

Deposit, New York

Ronkonkoma, New York

Cincinnati, Ohio

Enid, Oklahoma

North Augusta, South Carolina

Richmond, Virginia

Roanoke, Virginia

show all
View this plant in a garden
7 members have or want this plant for trade

Featured Videos

Gardener's Notes:

Post Comment
3
positives
0
neutral
0
negative
Sort By:
Post Comment
Sort By:
G
G
grrrlgeek
Grayslake, IL (Zone 5a) | September 2009 | positive

Cute plant, flowers are large for the plant size. Looks good in front of taller prairie flowers.
Listed some places as half-hardy...Read More

A
A
Anitabryk2
Long Island, NY (Zone 6b) | July 2006 | positive

This plant wintersowed nicely.

B
B
bigcityal
Appleton, WI (Zone 5a) | December 2005 | positive

This is a small, flowering plant. Not sure the use for it - planters? Didn't reseed like other gloriosa's

Popular Plants
SEE ALL
Iris
Peppers
Hydrangeas
Hostas
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Harlequin Bug
(Murgantia histrionica)
BIRD FILES
Great Egret
(Ardea alba)
Quick Links
View All Families
View All Genera
View All Species
Freeze/Frost Dates
PlantFiles FAQ
Plants with no Photos
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Harlequin Bug
(Murgantia histrionica)
BIRD FILES
Great Egret
(Ardea alba)