PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

Black-eyed Susan, Gloriosa Daisy, Yellow Ox-Eye Daisy
Rudbeckia hirta 'Irish Spring'

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Rudbeckia (rud-BEK-ee-a) (Info)
Species: hirta (HER-tuh) (Info)
Cultivar: Irish Spring

Category:

Annuals

Perennials

Height:

24-36 in. (60-90 cm)

Spacing:

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)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Gold (Yellow-Orange)

Pale Green

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Deciduous

Velvet/Fuzzy-Textured

Other details:

Drought-tolerant; suitable for xeriscaping

This plant is resistant to deer

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

From seed; direct sow outdoors in fall

Direct sow as soon as the ground can be worked

From seed; direct sow after last frost

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Susanville, California

Libertyville, Illinois

Coralville, Iowa

Bossier City, Louisiana

Munsonville, New Hampshire

Hillsborough, New Jersey

Columbus, Ohio

Salem, Oregon

Gettysburg, Pennsylvania

Watsontown, Pennsylvania

Olympia, Washington

show all

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jul 5, 2007, Gabrielle from (Zone 5a) wrote:

I was volunteering at an event that had a large display of 'Irish Spring', and every few minutes someone would ask what they were. They are very beautiful and attract a lot of attention!

There are isolated flowers that revert to a normal Blackeyed Susan.