volcano mulching n.— «I have seen some landscapers use very deep layers of mulch—a foot or more in tight rings around trees and shrubs. Is this a healthy practice?…This is sometimes called volcano mulching because of the steep sides and hollow...
volcano mulching n.— «I have seen some landscapers use very deep layers of mulch—a foot or more in tight rings around trees and shrubs. Is this a healthy practice?…This is sometimes called volcano mulching because of the steep sides and hollow...
