From this page you can find all awesome stuff that you can create with PARASOL. This item belongs to hand category. Using growspray would be madness, better get a time machine. Breaking PARASOL gives you 18 experinece points per tree and block you brake. PARASOL can be broken. Seed mathematics is very complicated, but you should get at least 1 seed back from splicing PARASOL. Profiting with this might be questionable. Will you get enough blocks to build something? You just have to find out yourself.