Coop bedding is one of those backyard chicken decisions that looks trivial in setup and turns out to drive most of the flock’s long-term health outcomes. The wrong bedding produces ammonia buildup, respiratory disease, parasite issues, dirty eggs, and a coop that smells from the porch. The right bedding produces a flock that smells like nothing more than a slight farm smell at the coop door and stays healthy through wet seasons. This guide compares the four most common bedding choices (pine shavings, straw, sand, hemp), explains the deep litter method, and lays out the cleaning frequency each option actually needs.
What bedding has to do
Coop bedding serves four functions:
- Moisture absorption. Chicken droppings are 70 to 80 percent water. Without absorption, that water sits on the coop floor and triggers ammonia formation.
- Ammonia control. Bedding either traps and slowly releases ammonia (good) or fails to bind it at all (bad).
- Insulation. A dry bedding layer of 4 to 6 inches provides modest insulation against winter cold conducting up through the floor.
- Cushioning. Birds jumping off roosts onto bare floor develop foot injuries (bumblefoot). Bedding cushions the landing.
Different bedding types perform very differently on these axes.
Pine shavings: the default
Kiln-dried pine shavings are the most common backyard coop bedding in North America for good reason. They are absorbent, affordable, easy to source at any farm store, and break down into excellent garden compost.
Pros:
- Strong moisture absorption (each cubic foot absorbs roughly 1 to 1.5 gallons of liquid).
- Good ammonia binding.
- Light and easy to clean out.
- Works in deep litter method.
- Composts in 4 to 8 months.
Cons:
- Dust content is high, especially in fine-flake products. Look for “large flake” or “coarse” on the bag.
- More expensive per cubic foot than straw.
- Imported pine sometimes contains chemical residues. Stick to feed-grade products labeled “kiln-dried pine.”
Never use: Cedar shavings (aromatic oils damage poultry respiratory tracts), green/fresh pine, treated lumber sawdust, or wood pellets meant for stove fuel (these expand explosively when wet).
Depth: 4 to 6 inches on the coop floor, 4 inches in nest boxes.
Straw: the traditional choice
Straw (the dry stems of grain crops, usually wheat, oat, or barley) is the historical chicken bedding and still works in many setups. The performance is meaningfully different from pine.
Pros:
- Cheap. Often half the cost of pine shavings.
- Provides scratching and dust-bathing texture birds enjoy.
- Works in nest boxes (better than pine for nest pads).
- Compostable.
Cons:
- Hollow stems trap moisture rather than absorbing it. The straw stays wet underneath while looking dry on top.
- Packs down into a mat within 2 to 4 weeks.
- Harbors mites and lice more than shavings.
- Less effective at ammonia control.
Best use: Straw in nest boxes (clean and replaceable weekly), pine shavings on the coop floor.
Avoid hay. Hay is straw’s nutritional cousin and is much higher in moisture and nutrient content. Hay-bedded coops mold within weeks.
Sand: the hot-climate option
Sand bedding became popular in the past decade, especially in dry southern climates. It performs uniquely.
Pros:
- Daily scooping like a cat box.
- Cool in summer heat.
- Does not compost or rot.
- Easy to spot-clean dropping piles.
- Excellent in runs for drainage.
Cons:
- Heavy and expensive to source in coop quantities.
- Does not absorb moisture, so wet droppings spread rather than soak in.
- Becomes dusty and silica-laden as it breaks down.
- Freezes solid in cold weather, becomes impossible to scoop.
- Bad fit for cold climates.
Type to use: Coarse construction sand or river sand. Never play sand (too fine, dust hazard) and never beach sand (salt content).
Depth: 2 to 3 inches in the coop, 4 to 6 inches in covered runs.
Hemp bedding: the premium option
Hemp hurd (the woody core of the hemp stalk) is the premium chicken bedding gaining traction in the past few years.
Pros:
- Highest absorption per cubic foot of any common bedding (3 to 4 times pine shavings).
- Very low dust.
- Long-lasting (one cleanout every 6 to 8 weeks).
- Composts faster than pine.
- Naturally antimicrobial.
Cons:
- Cost. 2 to 3 times pine shavings per cubic foot.
- Limited availability in some regions.
- Lighter weight means it scatters more outside the coop.
For asthmatic keepers or birds with respiratory sensitivity, hemp is worth the price premium. For straightforward backyard setups, pine shavings remain the cost-effective default.
The deep litter method
Deep litter is a bedding management approach rather than a bedding type. The technique:
- Start with 4 to 6 inches of fresh pine shavings on a dry coop floor.
- Each week, sprinkle a thin layer of fresh shavings over the existing bedding without removing the old material.
- Birds scratch and mix the bedding, which incorporates droppings and air.
- Microbial activity in the deep layer breaks down nitrogen compounds, reducing ammonia formation.
- Full cleanout once per year, typically in spring.
Requirements for deep litter to work:
- Bedding must stay dry. Wet patches kill the microbial activity and turn deep litter into a smelly disaster.
- Coop must be well-ventilated. Deep litter requires oxygen exchange.
- Coop floor should be dirt, wood, or concrete (not sealed plastic, which doesn’t breathe).
- Avoid antibiotics or aggressive disinfectants in the coop, both kill the microbiome.
When deep litter works, it produces excellent compost as a byproduct and reduces cleaning labor to nearly nothing. When it fails, it produces an ammonia and parasite nightmare.
Cleaning frequency by bedding type
Pine shavings (standard rotation): Full cleanout every 4 to 8 weeks. Daily droppings-board scraping if you have a board under the roost.
Pine shavings (deep litter): One full cleanout per year, weekly fresh-top dusting.
Straw: Full cleanout every 2 to 4 weeks. Nest box straw replaced weekly.
Sand: Daily scooping (5 minutes for a small coop), full replacement every 6 to 12 months.
Hemp: Full cleanout every 6 to 8 weeks. Daily droppings-board scraping.
What to put in nest boxes
Nest box bedding matters separately from coop floor bedding. The most common approach is:
- 4 inches of straw, refreshed weekly.
- Or fresh pine shavings, refreshed weekly.
- Or commercial nest pads (washable rubber inserts).
Avoid sand in nest boxes (eggs get sand grit baked on the shell when hens scratch around them) and avoid shredded paper (gets soaked and stays wet against eggs).
See our methodology for the framework we apply to poultry husbandry guides.
Frequently asked questions
Are pine shavings safe for chickens?+
Kiln-dried pine shavings are safe and the most common backyard bedding in North America. Cedar shavings are not safe (aromatic oils are toxic to poultry respiratory tracts). Green pine fresh-cut is also not safe. Look for kiln-dried pine on the bag label and avoid anything labeled cedar, redwood, or aromatic.
What is the deep litter method?+
A bedding management approach where new pine shavings are added on top of old droppings every week or two, rather than cleaning the coop to bare floor each week. The accumulated litter ferments slowly, generates a small amount of heat in winter, and provides probiotic benefits. Done correctly it requires one full coop cleanout per year instead of monthly cleaning.
Is sand bedding better than shavings?+
Sand is excellent for runs and acceptable in coops, especially in hot climates. It does not absorb moisture (which is both a pro and a con), keeps cool in summer, and can be scooped daily like a cat box. The downside: sand is heavy, expensive to source in volume, dusty as it ages, and freezes solid in cold climates. For most northern backyard setups, pine shavings outperform sand.
How often should coop bedding be changed?+
Pine shavings on standard rotation: full cleanout every 4 to 8 weeks, with daily droppings-board scraping if you have one under the roost. Deep litter method: one full cleanout per year with weekly topping. Sand: daily scooping with full replacement every 6 to 12 months. Straw: weekly to biweekly full replacement because it packs and traps moisture.
Does coop bedding affect egg quality?+
Yes. Dirty or wet bedding leads to dirty eggs, which require washing (which strips the bloom and reduces shelf life). Clean, dry bedding produces clean eggs that can be stored unwashed for weeks. The bedding directly under the nest boxes matters most. Most keepers use a deeper, fresher bedding pad inside the nest boxes than in the rest of the coop floor.
