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

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
Herbaceous
This plant is resistant to deer
Height
18-24 in. (45-60 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)
Danger
N/A
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
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
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
Wear gloves to protect hands when handling seeds
Properly cleaned, seed can be successfully stored
Regional

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

Auburn, Alabama

Port Washington, New York

Columbus, Ohio

Comerio, Puerto Rico

North Augusta, South Carolina

Houston, Texas(2 reports)

La Porte, Texas

COMERIO, Washington Dc

Madison, Wisconsin(2 reports)

Menasha, Wisconsin

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Gardener's Notes:

3
positives
0
neutral
0
negative
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B
Comerio, PR (Zone 11) | March 2012 | positive

I love black-eyed susans and this is one of my favorites. It is doing very well here. Winter here was extremely rainy and I thought they ...Read More

B
Appleton, WI (Zone 5a) | August 2006 | positive

A big puffy flower. Some had more layers of petals with a closed eye that I preferred better, and some had less layers and open black eye...Read More

D
west Houston, TX (Zone 9a) | April 2006 | positive

This is my first year growing this variety, so far I like the blooms and the plant is growing well. Will update this note if it does not ...Read More

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