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Hairy Woodland Brome

Bromus pubescens

Last reviewed: August 2026

Bromus pubescens is a woodland grass that blooms from May through July, growing in part shade to shade with medium moisture in forests and woodland edges across the eastern and central United States.

Hairy Woodland Brome (Bromus pubescens)
Photo: Wikimedia Commons (Public domain)

Toxicity unknown

Hairy Woodland Brome (Bromus pubescens) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

part shade

Water

medium

Size

12"–48" H × 6"–24" W

Bloom

May, Jun, Jul

Native to

AL, AR, CO, CT and 35 more states

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Hairy woodland brome is a native perennial grass that forms loose clumps in partially shaded areas. It produces delicate seed heads from late spring through summer and prefers woodland edges or naturalized areas with consistent moisture.

Growing Hairy Woodland Brome

Grow Hairy Woodland Brome in part shade and medium water. Mature plants reach 12 to 48 inches tall and spread 6 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

How to care for Hairy Woodland Brome, by region

How to care for Hairy Woodland Brome where it is actually grown: year-round basics plus what to do each season, region by region, with the sources for each.

Care guidance last updated: September 2026

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Ouachita Mountains (includes Hot Springs, AR)

Year-round

Hairy woodland brome is a clumping, cool season grass that wants shade to dappled sun and soil that stays lightly moist, more like the shaded edge of a creek than an open sunny bed.

  • Give it part shade to full shade, such as under trees or on a north or east facing side of the yard. Full, baking sun thins the clump out over time.
  • Keep the soil evenly moist to average, never bone dry for long stretches. It grows in rich, loamy soil in the wild, so working in compost or leaf mold in at planting time helps a lot.
  • A mature clump runs about 2 to 5 feet tall and a foot or two wide. Space new plants roughly 18 to 24 inches apart so they have room to fill in without crowding each other.
  • This is a cool season grass. It grows fastest in spring and fall and slows way down once summer heat and humidity set in, so do not expect much new growth during the hottest stretch of the year.
  • Skip regular fertilizer. A yearly refresh of leaf mulch around the base does more for this woodland grass than plant food.

Fall

As the heat breaks, this grass picks back up with a second growth flush, its other strong season alongside spring.

  • Fall is a good window for planting new starts or transplanting, since the soil is still warm from summer but the air is cooling off, which is easier on new roots than midsummer heat.
  • Water new plantings regularly through fall until they are established. Older, settled clumps generally get by on seasonal rainfall.
  • Leave the seed heads and foliage in place this fall rather than cutting back. Cutting a cool season grass hard in fall removes cover it could use through winter and does not need to happen until late winter.
  • Keep clumps edged along walkways and beds as they flush out with new fall growth so the planting reads as tended rather than overgrown.

Trimming the edges of a fall flush, without cutting the whole clump down, keeps the bed looking intentional and fits an HOA-friendly front yard.

Winter

Winters in Hot Springs are generally mild, and this grass holds up fine left alone through the season.

  • Do not cut the clump back now. Leave last season's foliage standing through winter and save the trim for late winter, just before spring growth starts.
  • The clump may fade to tan or bronze rather than staying green through a cold snap. That is normal dormant coloring for a cool season grass, not a sign it died.
  • No watering routine is needed in a typical Hot Springs winter. Only step in during an unusually dry, mild stretch with no rain for weeks.
  • A standing, upright clump through winter still reads as structure and intention in a front bed, not a bare or neglected patch.

Leaving a contained, upright clump over winter rather than cutting it to bare ground keeps the front bed looking cared for, an HOA-friendly look through the dormant season.

Spring

Spring is the biggest growth push for this grass in Hot Springs, as the ground warms up and the last frosty mornings pass.

  • If you did not already cut back last year's foliage in late winter, do it now before new blades take over. Trim the old growth down to a few inches.
  • Water during dry spring stretches so the soil does not fully dry out. In a normal Hot Springs spring, rainfall usually covers most of it.
  • This cooler part of the year is the best time to divide an overgrown clump or move a plant, since the grass is putting most of its energy into roots rather than fighting heat.
  • New hairy leaf blades should fill in fast now. A clump that looked thin or gapped over winter is normal and will thicken back up.

A clean late winter or early spring cutback before new growth takes over keeps the bed looking tended, which fits an HOA-conscious front yard.

Summer

Once Hot Springs summer heat and humidity really set in, this cool season grass shifts into survival mode rather than growth mode.

  • Growth slows down a lot in the heat. Do not expect the lush look of spring, and do not read a slower growing clump as a problem.
  • Keep soil from drying out completely during hot, dry stretches, especially for a plant still settling in during its first year. Deep, occasional watering beats frequent light sprinkling.
  • Good airflow and the part shade to full shade this grass wants both matter more in summer, since heavy humidity plus deep shade plus wet soil sitting around the roots is a recipe for rot.
  • Hold off on fertilizer entirely during the hottest weeks. Feeding a heat stressed cool season grass does not help it and can push weak new growth at the worst time.

Sources: Lady Bird Johnson Wildflower Center plant profile, Bromus pubescens, Illinois Wildflowers, Hairy Woodland Brome species page (community tip), Minnesota Wildflowers, Bromus pubescens species page (community tip)

Want these tasks as reminders timed to your yard? Pollinator Patch turns this guidance into a season-by-season care plan for the plants you actually grow.

In an HOA neighborhood

Hairy Woodland Brome takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Looks wild and weedy rather than ornamental
  • Seed heads can appear unkempt
  • Not recognizable as intentional landscaping to most homeowners

Wildlife value

This native grass provides seeds for birds and nesting material for small wildlife. The foliage offers cover for ground-dwelling creatures in woodland garden settings.

Common questions

When does Bromus pubescens bloom?
Bromus pubescens generally flowers from May through July, sending up loose, drooping panicles of spikelets above its leaves.
What light conditions suit Bromus pubescens best?
This grass does well in part shade to full shade, the kind of dappled light found under a deciduous woodland canopy.
How much water does Bromus pubescens need?
It grows best with medium soil moisture but can handle drier conditions once it is established in woodland soil.
Is Bromus pubescens an evergreen grass?
No, it is deciduous. The foliage dies back in autumn and the plant resprouts from its base the following spring.
Is Hairy Woodland Brome HOA-friendly?
Hairy Woodland Brome takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

See all plant problem guides

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