When Does A Golden Retriever Reach Full Size. Physically will be between 18 and 24 months. The cost of buying and raising a Golden Retriever might surprise you.

In addition golden retrievers would take a year or two to reach their full maturity phase. The average Golden Retriever has an overall height of 285-315. When your dog manages to maintain its energy for the duration of 5 months to a year it wont take long until it reaches its full size.
Golden retrieverscan grow bigger than other breeds but some would be smaller than others.
While maintaining the energy and personality of a puppy for their entire life Golden Retrievers only take around one to two year to fully physically mature. When your dog manages to maintain its energy for the duration of 5 months to a year it wont take long until it reaches its full size. Your puppy will reach her full height between 9 to 12 months of age but shell only fill out by 18 months. Golden retriever puppies usually open their eyes at around 2 weeks old.