Hi Ethan, not sure where you are at at this moment with your grafting but I thought that I would just add a few bits from my experience over the past 5 years. Most of what I have learned about grafting has come from a friend that worked for more than 40 years in The University of Saskatchewan's fruit breeding programs. For spring grafting, early May in my area, it is important that the root stock is actively growing and that the scion is still dormant. I have had almost zero success grafting already active buds onto active root stocks. This may mean collecting your scion wood while it is still dormant and storing it in a fridge, preferably at about 0 - 2C. I collect my scion wood already in early November and store it until I graft in May. That way I know that none of the buds have suffered any frost damage and all the buds are fully developed.