Winter trunk protection question.
Im just wondering about the importance of painting the trunks of my fruit trees in winter. From what I understand, the white paint reflects the low winter sunlight away, so they dont scald, heat up too much and burst from thaw and freeze cycles. Also, ive heard this is a preventative for pests as well.
My question is about when this is important. Should I be worried about this in the dead of winter, or late winter/mid spring when the temps go back and fourth?
Im asking because due to my narrow yard, the neighbors fence shades the bottom half of my trees for 2 or 3 months (end of nov - feb give or take). On top of that , we usually have 2 - 5 feet of snow during the winter which covers the bottoms.
I also havnt protected the trunks from gnawing pests during the winter either. Im assuming the hard white plastic covers do double duty and protect from sunscald as well?