We spoke to gardening experts about what volcano mulching is, why you want to avoid it, and tips for how to apply mulch.

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Scientists have discovered that trees near volcanoes change color when a volcano is becoming more active. Now, NASA and the Smithsonian Institution are teaming up to track these changes from space.

Volcanoes rarely erupt without warning, but the signals they send are often subtle, scattered and easy to miss. Now a new line of research suggests the forests that cloak many volcanoes quietly record ...

Piling mulch too high, a practice known as "volcano mulching," is extremely harmful to trees and shrubs. Excessive mulch can lead to root dehydration, bark damage, and can eventually kill a tree. When ...

Do you love your trees? Then stop this mulching practice. “Volcano mulching” is sure to lock moisture against the tree, inviting fungal problems, for starters. Markis Hill Special to The Star Pick any ...

OMAHA, Neb. — Scott Evans calls them mulch volcanoes. Evans, horticulture program coordinator for the Nebraska Extension in Douglas-Sarpy Counties, finds it difficult not to pull out his trowel to ...

Scientists can tell whether a volcano is about to erupt from the greenness of the trees around it, with more vibrant leaves indicating a potentially imminent blast. Until now, these subtle color ...

While spring and summer have traditionally been the busy times of the year for spreading mulch around trees, shrubs and other perennial plants, more homeowners and landscapers are spreading mulch in ...