BEST ANSWER: The leaves are prickly, but the American Holly grows into a fairly large tree - 15 to 20 feet high at early maturity, and they keep growing slowly to 30 and even 40 feet. You need to consider choosing another plant for your hedge, one that is naturally small.EST ANSWER: The leaves are prickly, but the American Holly grows into a fairly large tree - 15 to 20 feet high at early maturity, and they keep growing slowly to 30 and even 40 feet. You need to consider choosing another plant for your hedge, one that is naturally small.
Answer by cowohhh (569) The average life expectancy of a Springer Spaniel is generally about ten to fifteen years of age. However, there are certain conditions that can undermine the life expectancy of your dog. This would include diet, exercise, genetic factors or even grooming.
Caring For The Senior Collie. On average, Collies typically live 10 to 13 years, but many go well beyond the age of 13 and I have heard of a few Collies reaching 15 and beyond. Generally it is thought that the smaller the dog, the longer lived and the bigger the dog, the shorter lived. Just like with people, old age is relative.