Tons of youtube videos on this subject. They are very helpful.
Lots of pinterest posts on this, too, linking to tutorials
Check out our post on one Barbara! http://www.hometalk.com/184529/make-a-pallet-garden-in-7-easy-steps
Hi Barbara, here's a few ideas that will inspire you to make a pallet herb planter - https://morningchores.com/pallet-garden/
Have fun making yours