What Causes Mats in Goldendoodles? (Or Any Long-Haired Dog)

mats in golden doodles Hearty k9s
Sonia's Hearty Tales
Jun. 09, 2026

If you own a Goldendoodle, chances are you’ve encountered matting at some point. Goldendoodle matting is one of the most common grooming challenges for the breed, and it’s not always easy to prevent. Their unique coats, which blend the curly texture of a Poodle with the softer waves of a Golden Retriever, are beautiful but require consistent care to stay tangle-free. Understanding what causes matting and how to manage it is the first step to keeping your Goldendoodle comfortable, healthy, and looking their best.

Why Your Goldendoodles’ Coat May Become Matted

Here are a few facts to help you understand the conditions under which a Goldendoodle’s coat may become matted. 

  • WATER:  dew, rain, snow, baths, slobber, water bowl and licking.
  • FRICTION: from collar/harness, play, rubbing/rolling and petting. (You know your dog gets lots of ear scratches when they develop ear mats!)
  • FOREIGN OBJECTS:  such as sand, grass, debris.
  • COAT TYPE: Goldendoodles often have a softer coat that is a mix of curly and wavy hair, which can easily tangle as it grows longer.  
  • LACK OF BRUSHING: Without regular grooming, dead, loose hair, dirt and debris can become trapped, forming mats and knots. Regular grooming helps maintain their coat’s health and also allows you to check their skin condition. Line brushing through their coat is a thorough way to check for ticks and bugs.

Not All Goldendoodle Coats Are the Same: How Grooming Can Help with Matting

Goldendoodle coats vary greatly; even puppies in the same litter can have very different coats. We can’t always predict how much work they will be when they are puppies, but it’s best to get your puppy used to routine grooming early on, which can develop into a great bonding time. Once they grow their adult coat, they will enjoy the grooming process, no matter how much care it requires.  

I have a variety of F1 Goldendoodles in my breeding program. Most of them do well with a wash-and-wear look and rarely mat, even if I haven’t brushed them often between haircuts. (My Bixley, who is a very curly F1, hardly mats at all, even with a longer winter coat, but her sister Mouse, who is softer and straighter, also rarely mats but the ones with finer softer adult coats do tend to mat easier) More F1Bs in a litter will shed less, but their coat texture and hair blend also determine how much grooming they will need. In talking with some of my clients, many love the brushing time with their dog, as it is a great bonding and relaxing experience. But sometimes life gets busy, and when it does, keeping them cut shorter is just easier to manage, and for those who still need regular brushing when they are shorter, it does not take as long. 

A Little Consistency Goes a Long Way

Matting is one of the most common challenges Goldendoodle owners face, but with the right routine it’s very manageable. Whether your dog has a wash-and-wear coat or needs more frequent attention, starting good grooming habits early makes all the difference. The key is finding a routine that works for both you and your dog, and remembering that a shorter cut is always a perfectly good option when life gets in the way.

If you have any questions about grooming your Goldendoodle or just want some guidance on what routine might work best for your dog’s coat, feel free to reach out or review our FAQ page for more information!