Species · forb

Prairie smoke

Geum triflorum

Prairie smoke (Geum triflorum) opens the northern prairie bloom season with nodding pink flowers that mature into feathery pink seed plumes. Because it flowers in April and May, it feeds emerging bumble bee queens weeks before most prairie forbs wake up.

Category
forb
Mature height
6–18 in
Bloom window
April–May
Moisture
Dry to dry-mesic, well-drained
Seeding rate
0.02–0.08 PLS lb/ac
Seeds per lb
~135,000
Native range
Northern prairie — Minnesota, the Dakotas, Montana, Wisconsin, northern Iowa

Why landowners plant prairie smoke

  • Earliest reliable nectar and pollen source in northern CRP plantings.
  • Low-growing rosettes hold soil on thin, erodible upland ground.
  • The smoky seed plumes are a landowner favorite and make a planting look intentional.
  • Fills the hard-to-cover early spring bloom period in CP42 mixes.

Site fit

Dry, well-drained, low-fertility uplands — gravelly hill prairie, sandy loam, and thin soils. Struggles on rich, moist, or heavily competitive sites where tall grasses shade it out. Best in short-grass company.

Establishment

Requires cold-moist stratification; dormant-seed in late fall. Slow to establish and easily outcompeted, so keep companion grass rates low where prairie smoke is a priority. First bloom is usually year three.

Management

Sensitive to heavy thatch. Periodic burning or light haying keeps litter from smothering rosettes. Do not burn during the April bloom window if the goal is seed set.

CRP practice fit

CP42

Early-spring bloom-period species in northern pollinator mixes.

CP25

Short-grass diversity forb on droughty uplands.

Featured mixes with prairie smoke

Pairs well with

Little bluestem · Blue grama · Prairie dropseed · Golden alexanders

Frequently asked questions

Where does prairie smoke grow best?

Cool, dry, well-drained uplands in the northern prairie — Minnesota, the Dakotas, Montana, Wisconsin, and northern Iowa. It fades on rich, wet, or heavily shaded ground.

Why is my prairie smoke not blooming?

It usually takes three years from seed. Heavy grass competition or thick thatch will also delay bloom — thin the grass component and consider a light burn.

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