It may be a different variety. My neighbors have had theirs in 3 years, and I think they bought...1 year old trees? I can't recall now. Anyhow, they are about

It may be a different variety. My neighbors have had theirs in 3 years, and I think they bought...1 year old trees? I can't recall now. Anyhow, they are about four feet tall right now, and max height is 10-15 feet (4.5m).