Using Language Well First then Get Smart Grammar

So, my oldest will be in 3rd grade next year!  I am just finishing planning for next year and also doing some long range planning!  My plan is to start Grammar next year with Using Language Well (along with Spelling Wisdom).  I plan to continue that up until around 6th grade and then to do Get Smart Grammar!   My question is does this sound like a good plan?  Secondly, as I think about more long term Grammar, I was just curious if Get Smart Grammar is enough!  I realize it covers diagraming, but wasn’t sure if you wonderful ladies use anything else!  🙂