An English botanist, Max Hooper, studied the English hedge and discovered some interesting facts about them.
First, he determined that the older the hedge, the more species of bushes and trees t contained.
Second, he concluded that a hedge usually stars with one species and gains a species with each century.
Using this rule, which became known as “ Hooper’s Rule” people have studies hedges in England and discovered that many of them are very old.
Quite a few of them have more than ten species, which means that they