You did everything right. You introduced the crate slowly, loaded it with treats, kept sessions short, stayed patient. Your puppy was trotting in on cue, sleeping through the night, napping voluntarily. You thought you were done.
Then, somewhere around eight or nine months, your dog turned into a different animal entirely. They started ignoring the crate. Or refusing it. Or going in and then staring at you with the energy of someone who just remembered they left the stove on. The dog who slept peacefully through the night is now bouncing off the walls at midnight. The cue they knew cold two months ago seems to have vanished from their memory entirely.
You are not imagining this. You are in the teenage phase.
The adolescent period — generally eight to eighteen months, though it varies significantly by breed — is one of the most well-documented and least-talked-about stages of dog development. According to a 2020 study published in Biological Letters, dogs experience a genuine hormonal and neurological shift during adolescence that temporarily disrupts their ability to respond to cues they knew perfectly well just weeks before. It’s not defiance. It’s biology. And yes, it hits the crate hard.
Why Adolescence Disrupts Crate Training
The teenage brain — dog or human — is a work in progress. During adolescence, dogs undergo significant pruning and reorganization of their neural pathways, and the prefrontal cortex (responsible for impulse control and decision-making) is still maturing. According to VCA Animal Hospitals, this is why your previously compliant dog suddenly seems to be making bad decisions on purpose. They’re not. Their brain literally isn’t finished.
On top of the neurological changes, adolescent dogs are flooded with hormones that increase reactivity, exploratory behavior, and sensitivity to novel stimuli. In plain terms: everything is louder, more interesting, and more overwhelming than it was six months ago.
The crate — which used to feel like a cozy den — may now feel like a barrier between your dog and all the fascinating things happening on the other side of the door. The calm association you built early on is still in there. It’s just competing with a lot more noise right now.
This is also why you may be seeing crate training regression during this stage even in dogs who had no prior issues. The training isn’t gone. It just needs consistent reinforcement while their brain catches up.
Signs You’re Dealing with Adolescent Crate Resistance
Not every crate problem is a teenage phase problem. Here’s what typically shows up during adolescence, as opposed to earlier training gaps:
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Your dog knew the crate cue and is now ignoring it or offering alternative behaviors (the classic “I’ll sit! I’ll lie down! Anything but that!”)
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They’re restless in the crate even for durations they handled comfortably before
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The resistance is paired with other adolescent behaviors — selective hearing, short attention spans, increased energy, suddenly forgetting their name
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It started abruptly, around or after the six-month mark
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It tends to improve (slowly) as they move past twelve to fourteen months
If your dog has always struggled with the crate, that’s a different conversation — start with our guide on crate training an older dog. But if this regression came on suddenly in a previously crate-trained dog, the teenage phase is the most likely culprit.
And if you’ve been wondering when you can stop crating your dog altogether, the honest answer is that adolescence is usually not the moment to make that call. Most dogs benefit from continued crate use through this phase, even if the sessions are shorter and the expectations are recalibrated.
5 Rules for Crate Training Through Adolescence
1. Lower Your Duration Expectations — Temporarily
Your dog could sleep in the crate for four hours six months ago. Right now, they might max out at ninety minutes before the restlessness kicks in. That’s okay. Drop your duration back to what they can handle comfortably today, build wins at that level, and slowly add time back over several weeks. Pushing for the old duration before they’re ready will only deepen the resistance.
2. Increase What Goes Into the Crate
A bored adolescent brain is a destructive one. This is the age when a stuffed Kong goes from nice to necessary. Stock up on frozen Kongs, bully sticks, lick mats, and puzzle toys. Save your dog’s highest-value chews specifically for crate time — things they only ever get in there. The crate needs to remain the best real estate in the house, and right now that takes a little more effort to maintain.
3. Bring Back the Basics
Run through your crate introduction routine as though your dog is eight weeks old again. Toss treats in with the door open. Feed meals near the crate, then just inside the entrance. Practice short, high-reward entries with an immediate release. The American Kennel Club’s training guidance consistently emphasizes that positive reinforcement during adolescence is more effective, not less — even when it feels like the cue is falling apart. You’re not starting over; you’re reinforcing.
4. Keep Departures Calm
Adolescent dogs are highly attuned to your emotional state. If you’re anxious about whether they’ll settle, they’ll sense it. Practice matter-of-fact crate cues — the same tone and energy you’d use for “sit.” No drawn-out goodbyes, no hovering by the door, no peeking back in. The more routine it is for you, the more routine it becomes for them.
5. Exercise First, Crate Second
An under-exercised teenage dog is a disaster in the crate. During this phase, physical and mental exercise before crate time isn’t optional — it’s the setup for any success. A fifteen-minute sniff walk (not a fast-paced structured heel, but a genuine let-them-sniff-everything walk) is one of the most effective pre-crate tools, according to Whole Dog Journal. Let them drain some of that adolescent energy before asking them to settle.
What Not to Do
Don’t make crate time a battle. If your dog refuses to go in and you find yourself physically maneuvering them inside, you’re building exactly the wrong association. Go back a step, drop the duration, and rebuild entry as a positive voluntary behavior.
Don’t give up on the crate altogether. This is the age when many dogs are granted full house freedom before they’re ready for it — and then end up destroying furniture, ingesting something dangerous, or developing anxiety patterns that are much harder to unravel later. It’s genuinely tempting to throw in the towel when crate time gets hard. Don’t. The teenage phase ends. The crate habits you build now will carry forward.
Don’t increase duration too fast. Small steps, consistent wins. If today your dog settled for forty-five minutes, don’t jump to three hours tomorrow. Add fifteen minutes at a time and watch their body language at the end of each session.
Does Your Dog Have the Right-Sized Crate?
One practical thing worth checking at this stage: has your dog outgrown their crate? Adolescence is when a dog’s adult body starts filling in, and a crate that fit them at twelve weeks might not give them enough room to stand fully, turn in a circle, and lie down with their legs extended.
A crate that’s too small creates physical discomfort, and physical discomfort creates crate aversion — even in dogs who previously had no issues at all. If they can’t stand or stretch comfortably, that’s the first thing to fix before doing any behavioral retraining. Visit our crate sizing guide for specifics by breed and weight.
When Does the Teenage Phase End?
Most dogs begin to stabilize between twelve and eighteen months, though larger breeds — German Shepherds, Labrador Retrievers, Great Danes — often take longer, sometimes until twenty-four months. According to Today’s Veterinary Practice, the behavioral improvements correspond closely with neurological maturity rather than any specific training milestone, which means patience is genuinely part of the prescription.
The good news: dogs who are consistently supported through adolescence — with structure, exercise, positive reinforcement, and a crate that still feels like a safe place — come out the other side with solid habits intact. The teenage phase feels permanent. It isn’t.
Hang In There
If you’re in the thick of the teenage phase right now, you have our full sympathy. It is genuinely one of the harder stretches of dog ownership, and it’s easy to feel like you failed at something when your previously perfect pup suddenly can’t remember where the crate is.
You didn’t fail. You’re just not done yet. Keep the crate positive, keep your expectations realistic, and know that the dog on the other side of this phase is going to be exactly as wonderful as the puppy you remember — just with better impulse control.
For help choosing a crate sized for your adolescent or adult dog, visit our crate sizing guide, or call us at (435) 760-7802. We’re here.