The nonprofit Archangel Ancient Tree Archive has donated sequoia saplings that were planted Tuesday by Arboretum Detroit to mark Earth Day. Archangel also plans to plant sequoias in Los Angeles, ...

appearing where you wouldn’t expect a flower to be … on a small tree! Namely the beaked hazelnut and the speckled alder. Like many spring wildflowers these are ephemeral, they will be gone ...

Thick bark protects their trunks and their ... two giants known as Stagg — the world's fifth-largest tree — and Waterfall, of the Alder Creek grove, about 150 miles north of Los Angeles.

Thick bark protects their trunks and their ... giants known as Stagg — the world’s fifth-largest tree — and Waterfall, of the Alder Creek grove, about 150 miles north of Los Angeles.