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PlantFiles: Black-eyed Susan
Rudbeckia hirta 'Denver Daisy'

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

7 vendors have this plant for sale.

3 members have or want this plant for trade.

Category:
Annuals
Biennials
Perennials

Height:
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 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:
Unknown - Tell us

Bloom Color:
Gold (Yellow-Orange)
Pale Yellow
Bright Yellow
Brown/Bronze

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Flowers are good for cutting
Suitable for growing in containers

Soil pH requirements:
Unknown - Tell us

Patent Information:
Patented

Propagation Methods:
By dividing the rootball
From herbaceous stem cuttings

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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There are a total of 12 photos.
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Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive patchisback On Jul 2, 2012, patchisback from Mantua, NJ wrote:

This is an incredibly vigorous plant. I have had no problems with it at all. The blooms are very large and brightly colored. I have one plant with large multiple petaled flowers, not doubles, but triple layers of bright yellow petals with red or rust near center. The petals are very narrow and are unlike the wide petals of most Denver Daisy's. I do not know if this is a freak variety or a legitimate new flower form. Has anyone had any experiences like this with this variety?

Regional...

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

Delta, Colorado
Fort Lauderdale, Florida
Newnan, Georgia
Chicago, Illinois
Norfolk, Nebraska
Mantua, New Jersey
Anthony, New Mexico
Black Mountain, North Carolina
Columbus, Ohio
Lewisville, Texas
Oakwood, Texas
Richmond, Texas
Spring, Texas
Tyler, Texas



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