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

Rudbeckiahirta

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Rudbeckia hirta by RosinaBloom
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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
Evergreen
Herbaceous
This plant is resistant to deer
Height
12-18 in. (30-45 cm)
18-24 in. (45-60 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)
Danger
N/A
Bloom Color
Bright Yellow
Brown/Bronze
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
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
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

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
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Regional

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

Castro Valley, California

Glen Avon, California

Los Angeles, California

Pedley, California

Rubidoux, California

Sunnyslope, California

Cordele, Georgia

Chicago, Illinois

Rossville, Indiana

Dearborn Heights, Michigan

Wynnewood, Pennsylvania

North Augusta, South Carolina

Kalama, Washington

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4 members have or want this plant for trade

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hanna1
Castro Valley, CA (Zone 9a) | July 2005 | positive

Large, gorgeous flower! USDA zones 3-7, hardy to -40F, heat zone 7-1. Flowers have golden yellow petals radiating from a dark brown cente...Read More

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