75A - PH - WATER EFFICIENT LANDSCAPING

Home Browse Search

ii. selection of water-conserving plant species and water- conserving turf; iii. selection of plants based on disease and pest resistance; iv. selection of trees based on applicable City and local tree ordinances or tree shading guidelines; and v. selection of plants from local and regional landscape program plant lists. (3) All hardscape and water features, fences, retaining walls, grading of slopes, and soils test. (4) Details such as tree staking, vine preparation, planting instructions and installation. (B) Each hydrozone shall have plant materials with similar water use, with the exception of hydrozones with plants of mixed water use, as specified in Section 2.5(A)(2)(d) of these standards. (C) Plants shall be selected and planted appropriately based upon their adaptability to the climatic, geologic, and topographical conditions of the project site. To encourage the efficient use of water, the following is highly recommended for inclusion in the landscape design plan: (1) use the Sunset Western Climate Zone System which takes into account temperature, humidity, elevation, terrain, latitude, and varying degrees of continental and marine influence on local climate; (a) Plant materials shall meet the following requirements: i. A minimum of ninety (90) percent of plant materials in non- turf areas shall be capable of adaptation to Sunset Western Climate Zones 22 and 23. ii. The most suitable plant materials are plants native to California or similar Mediterranean-type plants. iii.The remaining ten (10) percent of non-turf areas may be non- drought tolerant plants provided the design is such that their water requirements have a minimal impact on the dry landscape plantings. (b) Drought tolerant groundcovers shall be planted to reduce surface evaporation. Mulches with atwo-inch minimum depth shall be added to groundcover areas after planting to conserve soil moisture. 7 75A-36