Ratibida Species, Mexican Hats, Thimbleflower, Upright Prairie Coneflower
Ratibidacolumnifera

Family: Asteraceae (ass-ter-AY-see-ee)
Genus: Ratibida (ruh-TIB-ih-duh)
Species: columnifera (kol-um-NEE-fer-uh)

Synonym:Ratibida columnaris

Synonym:Rudbeckia columnaris

Synonym:Rudbeckia columnifera

Category

Perennials

Water Requirements

Drought-tolerant; suitable for xeriscaping

Sun Exposure

Full Sun

Foliage

Herbaceous
This plant is resistant to deer

Foliage Color

Unknown

Height

24-36 in. (60-90 cm)

Spacing

15-18 in. (38-45 cm)

Hardiness

USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
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)

Where to Grow

Unknown

Danger

Unknown

Bloom Color

Scarlet (dark red)
Gold (yellow-orange)
Bright Yellow
Maroon/Burgundy

Bloom Characteristics

Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Unknown

Bloom Time

Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall

Other details

Unknown

Soil pH requirements

6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Non-patented

Propagation Methods

By dividing the rootball
From seed; direct sow outdoors in fall

Seed Collecting

Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored