We’re not about four seasons, we’re about water and drought and heat and fire.”But why do the fagus and other plants colour their leaves in autumn? Why do some trees lose their leaves, but others ...

SEATTLE — Gardening expert Ciscoe Morris said pruning dwarf conifers can be tricky in the Evergreen State because they never stop growing here. He demonstrated on his Hinoki cypress spiralis.

An international study has revealed spruce trees not only respond to a solar eclipse but actively anticipate it by ...

ABC News joined The Arbor Day Foundation and the Altadena nonprofit Amigos de los Rios to discuss replanting and preserving ...

Don't be fooled; lemon trees can't be planted next to any old tree. Here are several varieties that are hurting, not helping, ...