Ratibida columnifera (Prairie coneflower)

Formerly known as Ratibida columnaris. Drought tolerant perennial; full sun. Drooping yellow ray petals surround a conical disk and are borne on a single stem. A showy species common on gentle slopes, roadsides or grassy prairies, especially on well drained limestone soils. Recommended for inclusion in reclamation or wildflower mixtures.

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INFORMATION & ATTRIBUTES

Family: Asteraceae

Duration: Perennial

Growth Habit: Forb/herb

Native Status: Native

Growth Form: Single crown

Mature Height: 37 in.

Bloom Color: Yellow

Bloom Period: Mid summer

Annual Precipitation: 16-40 in.

Drought Tolerance: Low

Shade Tolerance: Medium

Elevation:

Wetland Indicator Status:

Fire Resistance: No

Fire Tolerance: High

Nitrogen fixation: None

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: Yes

Salinity Tolerance: Low

CaCO3 Tolerance: Low

pH Range: 5.9-7.0


SEEDING NOTES

Seeds per Pound: 737,100

Seeding Rate: 2 PLS lbs/acre

Season: Spring

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

Stillwater

A selection from native stands in Montana, chosen for its consistent taller stature, uniform timing of seed maturation, and superior seed production. (Released 2004, source of ecotype: Carbon and Stillwater Counties, MT)