We used to have blackberry bushes and pick them all the time! Learn how to grow blackberries in this post. These delightful berries, if properly cared for, can give you a delightfully delicious crop of berries for years to come.
"Cover rocks with mirrors and they look like melted disco balls." I don't think these are rocks but if you could find a "melted" looking rock you could cover it it pieces of mirror or CD's to create a "Melted Disco Ball".