mulch

I'm wondering if anyone here tried mulching pine bonsai in training with pine needles. I know many growers of succulents and cacti usually use pine needles as a mulch to increase acidity of the growing medium. Mature trees sure seem to enjoy sitting in it. Has anyone tried using them in bonsai...

Just wanted to say hello, my JWP is been doing great. Still a newbie year, going on 5months now. Tho its fall and as it gets colder, I wanted to ask your input on "winterizing" to prevent any damage from any freezing temps that are just around the corner. Im in Zone 7A, right now the nights...