kotobuki

I noticed this morning that my kotobuki pine is yellowing on the tips and in the new bud. Is this over watering? Too much sun? Or have I hurt it some other way?

I've recently received a Kotobuki pine with what looks like a heinous grafting scar right in the middle of a V-shaped trunk. I've got a ton of interior branches to work with, but no idea what to do with them. The tree seems in good spirits, but given that I let my JBP get away from me, I want...

Ordered this little kotobuki last week and got it in yesterday. I'm pretty excited as Ive never seen this variety before. Its in a 4 inch pot and is about 8inches tall with a half inch Trunk so it needs to thicken up a bit. Tiny needles!I plan on repotting this tree in the spring into a...