sir we are planting 500+ early red one, 200 king roat ,200 super chief plants (all grafted on seedling)this winter at 7000ft at a distance of 6ft , is it a good choice? we want a bigger trees ,are they vigorous ? should we plant them? or can you please suggest some other varieties plant growth wise. we have already planted scnico red gala and red love gala 100 each.