You should be able to stand on the flares of a properly exposed tree — as with this Arkansas state champion magnolia. Howard Garrett / Special Contributor Questions related to root-flare exposure are ...

A plant’s root system has a profound effect on its overall health. Look at the roots of a sick, struggling plant, and you will often see a sick, struggling root system. While plants may tolerate ...

The history of human life has definitively and ultimately determined the present of the world and its inhabitants' ancestors are the only link to times past lived and experiences past had. Genealogy ...

Large trees often develop surface roots that can damage sidewalks, mower blades, and tree health. Mulch 2–3 inches deep to cover roots safely and reduce maintenance without harming the tree. Never cut ...

Should we explore or ignore unflattering information learned about our family history? Should we share it? Bury it? Make reparations for it? These questions were asked by readers after I shared the ...

How do you plant a tree? As the old joke goes, green end up. In Tucson, it’s a bit more complicated, and one big reason for that is caliche. Caliche is a hardened soil layer common to desert soils. It ...