San Francisco possibly has over 26 micro-climates. For a climate zone map that illustrates the three major climates zones of San Francisco (Zones 1-3) and that will assist you in selecting adaptable plants for your zone, check out the Climate Zone Map of San Francisco.
Here are some gardening resources from the San Francisco Public Utilities Commission.
1. Drought tolerant perennials, ferns, grasses and low shrubs adaptable to a variety of microclimates and sidewalk conditions:
2. Lists that include drought-tolerant perennials, ferns, grasses and low shrubs adaptable to specific micro-climates:
Zone 1
Zones 2 & 3
Pre-designed plant palettes have been developed to assist residents.
Zone 1
Pre-designed plant palettes and planting plans for Zone 2 & 3