Question about an outdoor tree I bought about two years ago. It's an inaba shidare Japanese maple. Pretty much since I've gotten it, at least as long as I can remember...it stays mostly green and gets really red at the tips of the branches. It's on a southwest facing corner of our porch. So it really gets mostly southern light from about I don't know 11 or 12pm for a minimum of 6 hours. Why is it doing this? Also...tips for pruning this, as it definitely needs pruned this winter, it's all over the ground a little more than what I want.