What is a mulberry tree?

There are different types of mulberry. The two that are most commonly grown are Morus alba and Morus nigra. They are fruit bearing trees that are not in least bit difficult to grow in the UK. The National Collection of mulberries is held at the gardens of Buckingham and Kensington Palace. <a href="http://images.google.com/images?q=morus&rls=com.microsoft:*:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7HPEA&um=1&sa=N&tab=wi" rel="nofollow">http://images.google.com/images?q=morus&...  more