Do Shelties Change Colors? [Shetland Sheepdogs]

Do Shetland Sheepdogs Change Color as They Grow?

If your Sheltie puppy looks completely different now than the day you brought them home, you are not imagining things. Shetland Sheepdogs are one of several breeds whose coat color can change quite a bit as they mature. Some Sheltie puppies start out looking almost black and end up with beautiful sable coats, while others lighten or darken in ways you might not expect. Understanding how and why this happens can help you appreciate the transformation your pup goes through.

How Sheltie Coat Colors Develop

Sheltie puppies are born with a soft, fluffy puppy coat that often looks very different from their adult coat. The adult coat starts growing in around four to six months of age and continues developing until the dog is about two to three years old. During this time, it is completely normal for the color to shift.

Sable Shelties tend to show the most dramatic changes. A sable puppy might look mostly dark brown or even black as a young pup, then gradually lighten to golden sable, mahogany sable, or a range of warm tones as the adult coat comes in. The dark shading from the puppy coat fades, and the rich sable colors underneath are revealed.

Tri color Shelties (black, white, and tan) usually stay fairly consistent in color, though the tan points may become more defined and the coat may develop a richer sheen as they mature. Blue merle Shelties can also shift as they grow, with the grey and black patches becoming more distinct and the merle pattern becoming clearer.

Common Color Changes by Type

Sable Shelties

Sable is the most popular Sheltie color and also the one that changes the most. Pure sable puppies (those with two copies of the sable gene) tend to be lighter as adults, sometimes becoming a clear golden color. Shaded sables (carrying one sable gene and one tri color gene) keep more dark shading and overlay throughout their lives. Some sable Shelties go through a “puppy uglies” phase where their coat looks patchy and uneven before the gorgeous adult coat fills in.

Tri Color Shelties

Tri color Shelties are among the most stable in color. Their black coat stays black, the white markings remain consistent, and the tan points gradually become richer and more defined. You may notice the coat developing more depth and shine as it transitions from puppy fuzz to the thick double coat adult Shelties are known for.

Blue Merle Shelties

Blue merle puppies can look quite different from adult blue merles. The grey areas might darken slightly, and the overall pattern can appear to shift as the coat grows in. Some blue merles look almost solid colored as puppies but develop a beautiful marbled pattern as adults. The merle gene creates unique patterns, so every blue merle Sheltie ends up with a one of a kind coat.

Other Factors That Affect Coat Color

Beyond normal puppy to adult changes, several other things can affect your Sheltie’s coat color. Sun exposure can lighten the coat, especially in darker colored dogs. Nutrition plays a role too since a diet rich in quality proteins and omega fatty acids helps maintain rich coat color. As Shelties age, some greying around the muzzle and face is normal. Health conditions like thyroid problems can also cause coat color changes, so if you notice sudden or unusual changes in an adult dog, a vet checkup is a good idea.

Shelties also go through seasonal coat changes as part of their natural cycle. They shed their undercoat twice a year, and the new coat growing in can sometimes look slightly different in shade or texture. This is completely normal and nothing to worry about.

What Color Will My Sheltie Puppy Be as an Adult?

Predicting exactly how your Sheltie puppy’s color will change is tricky, but looking at the parents can give you a good idea. A reputable breeder can often predict whether a sable puppy will lighten up significantly or maintain darker shading. In general, if both parents are lighter sables, the puppy is likely to lighten as well. If one parent carries the tri color gene, the puppy may retain more dark shading. The full adult coat usually is not completely settled until age two to three, so enjoy watching the transformation.