Golden tallgrass prairie of big bluestem and indiangrass at sunset — Clarity Seed Farms CRP mix
CRP habitat

Firebreak Mix

Low-fuel perennial mix for prescribed-fire firebreaks.

A low-growing perennial firebreak mix designed to hold a green, low-fuel line around a prescribed burn unit. Sod-forming cool-season grasses and clovers keep fuel loads low and the line easy to hold.

At a glance

Seeding rate
15–20 lbs/acre
Coverage / sizes
Sold by the pound and by the acre
When to plant
Late summer or early spring seeding.
Site fit
Firebreak lines around burn units.

Highlights

  • Low-growing cool-season base
  • Clover component for green fuel
  • Easy to mow tight before a burn

Common use cases

  • Prescribed burn unit firebreaks
  • Perimeter access lanes

FAQ

How wide should a firebreak be?

Rule of thumb is 2–3 times the flame length you expect. In tallgrass fuel, that's often 15–30 feet of green firebreak plus a mowed or wet line.

Recommended in these states

Firebreak Mix appears in our state guides for the regions below. Jump straight to this mix's card on the state guide.

Colorado

Dormant seeding from December through mid-March is the most dependable approach on the eastern plains, letting seed sit until spring moisture arrives. Spring seeding in April and May works when soil moisture is adequate; avoid dry summer plantings.

Montana

Dormant seeding from late October through March is the standard across Montana — winter cold stratifies native seed and spring snowmelt drives germination. Early-spring seeding in April is a workable second option; summer seeding rarely succeeds.

Wyoming

Dormant seeding from late October through March is the standard, using winter to stratify seed and snowmelt to trigger germination. Spring seeding is possible in April on sites with stored soil moisture.

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