What is a super fast growing tree?
Hybrid Poplar (Populus deltoides x Populus nigra) Hybrid poplars are the thoroughbreds of the tree world. Their claim to fame is speed, with vertical growth of 5–8′ per year not being uncommon. Poplars are fast growers. Their roots need moisture and will invade any leaky pipe they can find. Depending on the variety, they can grow 50 to 150 feet tall but are brittle and tend to drop limbs and branches. Never plant them near your house.