5-Month-Old Puppy Guide: Training and Growth Spurts

By Tailwisp Editorial TeamUpdated October 17, 20263 min read

At five months, you can see the dog your puppy is becoming. Its body is lengthening, adult teeth are coming in, and its personality is more distinct. It also has more confidence and more energy, which can be a recipe for mischief. Understanding this stage will help you steer through it.

Physical development

Five-month-old puppies are in the middle of a growth phase. Adult teeth continue to replace baby teeth, and some puppies lose their remaining baby canines around now. Large breeds may seem all legs. Appetite can swing from ravenous to picky. Keep your puppy lean, since extra weight puts stress on growing joints. See our puppy growth and weight chart for typical ranges.

Behavior and mindset

• Increased independence. Your puppy may wander farther on walks and ignore you more.
• Testing rules. It may try behaviors that were previously off the table.
• Heightened energy. Many puppies need more exercise and mental stimulation than before.
• Early adolescent changes. Some puppies show new fears or become more reactive.

None of this means your puppy is broken. It means you need to keep your training fresh and consistent.

Training at five months

Proofing

Practice known cues in different locations, with different distractions and at different distances. A sit in the kitchen does not automatically transfer to the park.

Leash skills

Use rewards for walking beside you, and stop moving when the leash tightens. Build up to busier places gradually.

Recall

Keep a long line on during outdoor practice, and reward generously. See our recall training guide.

Impulse control

Practice waiting at doors, waiting for food and settling on a mat. These skills help in every situation.

Keep it varied

Mix up the games, the rewards and the locations. Five-month-old puppies get bored with repetition.

Exercise

Increase activity gradually, but avoid very long runs, repeated jumping and intense fetch on hard surfaces. Provide a mix of walks, free play, training games and scent work. Rest is still important. See our guide on exercise limits by age.

Feeding

Keep feeding a quality puppy food, with two to three meals a day depending on your puppy and your vet's advice. Use some of the daily food allowance for training to avoid overfeeding. Large and giant breeds should stay on large-breed puppy formulas to support controlled growth. Our guide to feeding large breed puppies explains why.

Health and spay or neuter

Discuss spay or neuter timing with your vet, taking into account breed, size, lifestyle and health considerations. The best timing varies, and recommendations have evolved, especially for large breeds. Read our guide to spay and neuter pros and cons for a balanced overview.

Continue parasite prevention, dental care and regular weigh-ins.

Common challenges

• Chewing: Provide chews and manage the environment.
• Pulling on the leash: Practice loose leash skills and consider a front-clip harness.
• Barking: Make sure needs are met and avoid reinforcing demands.
• Stubbornness: Increase reward value and reduce distractions.
• Fearfulness: Go slowly, and never force exposure.

A sample weekly rhythm

Structure helps adolescents more than novelty does. A workable week for a five-month-old includes two or three varied walks a day (one of them a sniffy, slow outing), one short training session after each meal, a longer weekend outing such as a different park, and at least one social meetup with a calm, vaccinated dog. Add a rest day each week with no new experiences, because puppies consolidate learning while they sleep. If your puppy seems frantic by evening, the cause is usually too much stimulation, not too little. Swap another run for a lick mat or a frozen stuffed toy and an early bedtime.

The takeaway

Five months is a time of growth and testing. Stay consistent, keep training fun and keep your puppy's life varied and rewarding. Next, see our 6-month-old puppy guide.