On my morning walks to Northwest, I’ve watched the great magnolia tree go from barren branches ... The apple had not ripened and remained a pale shade of green. My bite revealed the yellow ...

Light green lichens and mosses that grow on the bark of oak trees do not harm the tree. (Mike Zacchino/2015) We're well into a record-breaking stormy winter, but gardening questions never end.

Leaves have a number of pigments, including chlorophylls, that are involved to a greater or lesser extent in photosynthesis: using light ... the tree to absorb as nutrients. As the green ...