City of San Diego Water Department - Landscape Watering Calculator Trees Low Water Use Acacia California Buckeye Coast Live Oak Eldarica Pine Italian Stone Pine Olive Torrey Pine Australian Tea Tree Canary Island Date Palm Coral Tree Floss Silk Tree Melaleuca Palo Verde Western Redbud Bottle Tree Carob Desert Willow Holly Oak Oleander Pepper Moderate Water Use Apple Chinese Evergreen Elm Eucalyptus- [Nichol's Willow Leaf] Giant Bird of Paradise Mediterranean Fan Palm Queen Palm Sycamore Ash Citrus Eucalyptus-]Red Flowering Gum] Jacaranda Pear Stone Fruits (Peaches, Plum, etc.) Tipu Tree Avocado Crape Myrtle Fig Japanese Black Pine Pin Oak Sweet Gum High Water Use Alder Cottonwood Redwood Banana Japanese Maple Willow Birch Poplar Yew