If this really works.how totally awesome? Garden Tower Project The Homestead Survival vertical planter with a worm tower in the center really works. You add kitchen scraps into the center tower which creates a compost tea that drips out the bottom
The Nourishmat is a by garden system that comes with just about everything you need to get growing: organic seeds, fertilizer, and a mat that provides a map of holes that will space your seeds perfectly (plus has every food labeled).
this would work to support the blackberries without having to stake and tie them all the time -- Upcycle old wood pallets into awesome raised gardens. Wood pallets are so cheap and make building a raised garden bed super easy. It only takes 9 steps!