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After the trail

How to remove burrs from a dog's coat

Late summer and fall on Cape Ann are burr season: the plants along field edges and trail margins have gone to seed, and every hooked pod is built to ride away on fur. A long-coated dog can come home from one walk carrying a dozen. Caught the same day, they come out with patience. Left for a week, they knot into mats.

A red-coated dog runs through a field of dry grass with mountains in the background.

Before you start

Before you start, find every burr by hand and gather gloves, a wide-toothed comb and a detangler

Search before you pull. The AKC's article on burrs says the trouble starts when they lodge under the tail, in the armpits, on the ear flaps and between the toes, all places a quick look misses. Run your hands over the whole dog in good light, feet included, and count what you find. Then put on gloves, since some burrs are prickly, and spread a towel under the dog to catch the pieces before they reach the carpet.

The kit is short: a wide-toothed metal comb, a detangling spray or a little cooking oil, and a pair of pliers for the big burrs. The same AKC article prefers a little canola oil to a chemical product as the lubricant in a dense coat. Have treats ready and plan short sessions. A dog with ten burrs in its legs copes better with three short sessions than with one long one in which every pull hurts a little more.

  • A hand search: tail, armpits, ear flaps and between the toes
  • Gloves and a towel underneath
  • A wide-toothed comb and a detangler or a little oil
  • Pliers for the big burrs

The steps

Take burrs out in seven steps: loosest first, a hand between burr and skin, crush, lubricate, comb

Start with the burrs that are barely attached; every easy one is a calm minute that sets up the harder ones. For a burr that has grabbed a lot of hair, the AKC suggests crushing it with pliers so it breaks into smaller pieces that let go more readily. Keep one hand between the burr and the skin the whole time, so any pull lands on your fingers rather than on the dog.

Oil or detangler lets the hooks slide out of the hair instead of snapping it. Work it in, wait a minute, then tease a few hairs at a time off the burr with your fingers before the comb comes anywhere near it. Comb outward, away from the skin, starting at the tips of the tangle and moving closer as each section clears. When a patch is clear, wash any oil out with a dog shampoo so the coat does not hold dirt.

  1. 01

    Lay the dog on a towel and pick off any burrs sitting loosely on the surface of the coat.

  2. 02

    For each stuck burr, slide your fingers between it and the skin and hold the hair there.

  3. 03

    Crush a large burr with pliers so it breaks into smaller pieces.

  4. 04

    Work detangler or a few drops of cooking oil into the hair around it and wait a minute.

  5. 05

    Tease hairs off the burr a few at a time with your fingers, then lift the pieces away.

  6. 06

    Comb the patch with a wide-toothed comb, outward from the skin, until it runs through cleanly.

  7. 07

    Wash any oil out with dog shampoo, dry the coat and check the feet once more.

The plants

On Cape Ann, burdock, beggar-ticks and tick-trefoil make most burrs, and foxtails are the dangerous cousin

Three plants account for most of the hitchhikers. Common burdock, an introduced plant, makes round burs whose hooked bracts, in UMass Extension's words, stick to fabric and fur. Devil's beggar-ticks, a native plant that Go Botany lists as widespread in Massachusetts, has seeds with two barbed awns that attach to clothing or fur, and grows on disturbed ground, shores and wetland margins. Showy tick-trefoil drops flat seed segments that cling to clothing along forest edges and meadows.

That describes a lot of Cape Ann walking: trail edges, overgrown field margins and the weedy shoulders of trailhead lots, whether the walk starts at Ravenswood Park or on the paths into Dogtown Common. Foxtails are a different problem. The AKC explains that these barbed grass seed heads grow across North America, are most hazardous once dry, roughly May through December, and can work into the skin, ears, eyes or nose. Take off only the ones lying on the surface of the coat.

  • Common burdock: round burs with hooked bracts
  • Devil's beggar-ticks: seeds with two barbed awns
  • Showy tick-trefoil: flat segments that cling
  • Foxtails: barbed grass seeds that can work into the body

Mistakes we see

The mistakes we see are scissors, a bath before the burrs are out and digging between the toes

Scissors are the worst of them. The veterinarian quoted in the AKC article warns that it is very easy to cut a dog's skin this way, because hair wrapped around a burr pulls the skin up close to it. If a comb will not fit between the burr and the skin, the burr comes out with clippers a little at a time, or on a groomer's table. Bathing first is the second mistake: Humane World notes that water makes mats worse, and a burr wrapped in hair is halfway to a mat.

The third is digging at a burr wedged between the toes. The AKC article says foot burrs are very painful and sometimes have to be removed at the vet's office; soak the paw and feel for a sore or swollen spot rather than pulling. Last comes leaving them for later. A burr left overnight in a doodle's leg feathering gathers more hair every time the dog moves, and by the weekend the comb cannot get anywhere near it.

  • Scissors near the skin
  • A bath before the burrs are out
  • Pulling at a burr between the toes
  • Leaving burrs until the weekend

When to call us

Call us when the burrs have turned into mats, and your vet when one is in the feet, ears or eyes

A burr the comb cannot get under has become a mat, and that is studio work. Dematting at Dogtown is $15 per 20 minutes, added to a bath from $55 or a full service from $75 by size, and the groomer looks at the coat at check-in and tells you plainly when a short clip is kinder than an hour of pulling. Grooming needs no evaluation, and a daycare dog can be groomed during its day at 210 Eastern Ave.

Your vet takes the ones that hurt or hide: a burr or seed between the toes, a dog shaking its head after a field walk, a squinting eye, sudden sneezing, or a red, swollen spot that keeps being licked. Gloucester keeps a list of local and emergency veterinary offices on the city website. Burr season overlaps tick season on Cape Ann, which runs from April to November, so make every burr search a tick check as well.

At Dogtown

When the comb cannot reach

Dematting by the 20 minutes with a bath or full service by size, and grooms that can be booked into a daycare day.

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Asked and answered

Questions people ask about this

Short, complete answers you can act on today. More in the full FAQ.

Can I use cooking oil to get burrs out of my dog's fur?
A little, yes. The AKC article suggests a light amount of canola oil as a lubricant in a dense coat, in preference to a chemical product. Use only enough to make the hair slip, tease the burr free, then wash the oil out with a dog shampoo so the coat does not collect dirt.
How do I stop my dog picking up burrs?
Keep the coat brushed and free of tangles, since burrs hold far better in matted hair, and stay toward the middle of the trail in late summer and fall. A shorter trim on the legs, belly and feet gives the hooks less to grab. Check the dog by hand before it gets back in the car, while most burrs are still on the surface.
Are burrs dangerous to dogs?
Most are a nuisance rather than a danger, but a burr between the toes can be painful, and one chewed off and swallowed can cause trouble; the AKC lists coughing, difficulty breathing and heavy drooling as signs to act on. Barbed grass seeds such as foxtails are the bigger risk, because they can travel into the body.
What is the difference between a burr and a foxtail?
A burr hooks onto the outside of the coat and stays there until you remove it. A foxtail is a barbed grass seed head that can move forward into the skin, ears, eyes or nose. The AKC advises removing only foxtails you can see on the surface, and taking your dog to the vet for one that has worked its way in.
My dog has burrs and mats together. Should I bathe first?
No. Water tightens tangles, and a burr wrapped in hair is already halfway to a mat. Work the burrs out dry with your fingers, a detangler and a comb, or book dematting at $15 per 20 minutes with a bath. The bath comes last, once a comb runs through the coat.

More questions? Read the full FAQ

Next step

Burrs out, coat intact.

Book a bath with dematting online or in the Dogtown app; the groomer confirms the time needed at check-in. No evaluation is needed for grooming.

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