Scientists studying pine trees and juniper shrubs in northern Scandinavia are revealing the weather of the past by looking at tree rings — which can tell us far more than just the trees’ age. ‘Blue’ ...

A compact and wide-growing form of juniper, Shimpaku has arching, upward branches and light-green needles that ... If you ...

Blue growth rings in woody plant stems indicate years when cells failed to lignify properly due to summers that were too cold ...