Hedges and lawns Around here, most hedges are made of boxwood, or privet dodoneae or podocarpus fern pine pittosporum is popular too or on occasion – griselinia and escallonia. Gas station hedges are made of raphiolepis. Look under the hedges for the irrigation spray heads or drip lines or soaker hoses Oftentimes, there isn’t any … Continue reading 168. XERISCAPING: Hedges & lawns. Irrigate like rain.