Growing right next door to the Napa County Master Gardeners' office is a bright, shiny-leaved, small evergreen tree. It is always clean and fresh, with never a brown leaf or any aphids or scale on it.

Four and a half years after Coronado resident Paul Richardson asked the city if he could remove the five fern pine trees in front of his house — the droppings from which tangled up his wheelchair — ...

Plant biologists report that a species of tree fern found only in Panama reanimates its own dead leaf fronds, converting them into root structures that feed the mother plant. The fern, Cyathea ...