from what ive read, very little. Sorry, even Norml vegas chapter disentergrated then off shoots, and i think they have a meetup now, but no dispensaries, and not a helpful mmj state from the looks, even with the mmj laws.
but
for grow help you have come to the right place, read up on how you wanna grow then decide if you have the: time, space, money, and privacy
good luck.