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

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
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
N/A
Bloom Color
Gold (yellow-orange)
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
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:

Hanceville, Alabama

Calistoga, California

San Leandro, California

Denver, Colorado

Cordele, Georgia

North Augusta, South Carolina

Houston, Texas(2 reports)

East Port Orchard, Washington

Parkwood, Washington

Port Orchard, Washington

Madison, Wisconsin

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Gardener's Notes:

1
positive
3
neutrals
0
negative
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L
| August 2014 | neutral

Highly susceptible to fungus, even in an open, breezy, sunny bed. After a glorious first flowering, all were lost soon after one was inf...Read More

B
Northern California, CA (Zone 9a) | July 2008 | positive

The newest darling of my garden. Showy fully double flowers with the center opening with a fabulous chartreuse color! Easy to grow!

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Plant 12" apart. z 3-8. Golden yellow fully double balls on compact, dwarf 10" plants.

D
west Houston, TX (Zone 9a) | June 2006 | neutral

This particular variety of Rudbeckia is not doing well down here, I'm down to a single plant--doesn't seem to hold up to the heat and hum...Read More

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