Field Guide · The flock · 5 min read

How to Build a Chicken Dust Bath

Chickens clean themselves with dry dirt. Give them a good place to do it and mites have nowhere to live.

Story Thyme Farms · Bench cardYear round

Building the flock's dust bath

Dry earth, sand, and a scoop of wood ash

DifficultyAn afternoon
MixSoil + sand + wood ash
Size2×3 ft per few hens
Must beBone dry
1Building the boxA low frame in a dry, sunny spot
2Mixing the materialMostly dirt and sand, with wood ash added
3About diatomaceous earthGo easy on diatomaceous earth
4Knowing it worksThey will use it within the hour
Materials needed · Play sand · 2x8 lumber · Peat moss · Hand trowel
Written on the farm · Missouristorythymefarms.com/guides/chicken-dust-bath

Prints on one page. The long version below stays on the screen.

The long version

Watercolor plate of a hen bathing in a dust wallow, wings spread
Dry earth, sand, and a scoop of wood ash · field plate

Dust bathing is how chickens keep themselves clean. They work fine dry dirt through their feathers until the excess oil, dander, and any mites or lice are scrubbed out. If you give them bare ground they will dig their own holes, usually exactly where you did not want them. Build them a better one and they will use it instead.

  1. Step 1 · Building the box

    A low frame in a dry, sunny spot

    Watercolour plate of a low wooden frame box about two by three feet in a dry sunny corner of a chicken run, filled deep with loose material

    Anything that will hold eight or more inches of loose material works: a frame of 2x8 boards about two feet by three, an old tractor tire, or a sandbox. Put it where rain cannot reach it, under the coop overhang or in a covered corner of the run. Wet dust is mud, and hens will not bathe in mud.

  2. Step 2 · Mixing the material

    Mostly dirt and sand, with wood ash added

    Watercolour plate of the dust bath mix shown in layers - dry native soil, coarse sand, and a scoop of pale wood ash

    Use roughly half dry native soil or peat and half coarse sand, plus a generous scoop of wood ash, about a cup or two. Ash from a stove or fire pit is fine as long as it came from clean wood only, with no charcoal briquettes and nothing painted or pressure-treated. Loosen it with a trowel occasionally and top up whatever they kick out.

  3. Step 3 · About diatomaceous earth

    Go easy on diatomaceous earth

    Watercolour plate of a small bag of diatomaceous earth with a cautioning gesture, a dust mask beside it

    Diatomaceous earth kills crawling insects, but the dust is genuinely bad for the lungs of both chickens and people, and a dust bath is a cloud of dust by definition. We leave it out of the regular mix, since wood ash handles the parasites, and keep food-grade diatomaceous earth for treating an actual infestation, applied lightly and outdoors.

  4. Step 4 · Knowing it works

    They will use it within the hour

    Watercolour plate of a hen mid dust bath, wings flinging dust up over her back, a cloud around her and a satisfied shake

    A good dust bath gets used almost immediately: digging, rolling, and flinging dust down to the skin with their wings, followed by a big shake and a preen. They often bathe together and will wait their turn for the best spot. While they are lying there, take a look under their wings and around the vent, because bath time is the easiest chance you will get to check for mites.

Materials needed

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Questions we actually get

My chickens ignore the beautiful bath I built. Why?
Usually location or moisture. They want sun on their backs, sight lines to feel safe, and powder-dry fill. Move it to where they already loiter, and seed it by tossing a few scratch grains in, once one hen digs, the culture takes hold.
They're bathing in my garden beds instead. How do I stop it?
You cannot ban dust bathing, only relocate it. Make the official bath drier, sunnier, and looser than the beds, and cover favorite crime scenes with mulch or low hoops for a couple of weeks while the habit moves.
Do chicks need a dust bath too?
They start practicing at days old, it is instinct, not learning. A pie tin of sand and dry soil in the brooder gets used immediately and helps keep them clean. Skip ash and DE entirely for chicks.