Depends what you mean by scrogging. Scrogging and any form of LST a great idea for almost all non-purple non-black strains (the autos of such gens just react badly to lst as a rule) in terms of yield and convenience. So if you're scrogging for yield though, you need to start around week 2/3 of the autos lifecycle. If you're scrogging just to keep the colas supported then you're good to go, never too late or too early to start supporting your colas bro. hope this helps ! 🚀