At a Glance
| Factor | Detail |
|---|---|
| USDA Zone | 10b |
| Best Planting | OctoberâMarch (wet season) |
| Typical Lot Size | 2,500â4,500 sq ft |
| Project Cost | $16,000â$90,000 |
| Annual Rainfall | 24 inches (MayâOct dry) |
| Summer High | 67°F |
What Makes a Backyard Different in San Francisco
San Francisco backyards sit on shallow, often sandy or clay soils over serpentine bedrock. Many properties in the Sunset and Richmond districts rest on stabilized dunes; hillside homes in Noe Valley and Bernal Heights contend with slopes that require engineered retaining walls before any planting begins. Summer fog rolls in most afternoons, dropping your effective growing temperature by 15°F and coating leaves in salt-laced moisture. Western exposures receive relentless wind; eastern slopes bake by 2 p.m. before fog returns. Homes built after 1990 often fall under HOA rules that restrict fence height to six feet and require Mediterranean or drought-tolerant palettes. The dry season stretches from May through Octoberâ24 inches of annual rain sounds generous until you realize zero falls for five consecutive months. If your irrigation system will cover more than 500 square feet, SFPUC requires a permit and a backflow preventer certified by a licensed plumber.
Design Zones: How to Divide Your Backyard
Dining terrace â A paved or composite-deck area within ten feet of your back door; fog makes evening meals chilly, so budget for a propane patio heater or a fire feature with a spark screen.
Play lawn â A 400â800 sq ft patch of tall fescue or âUC Verdeâ buffalo grass; both tolerate shade and need less water than ryegrass, critical during the mandatory irrigation curtailments that arrive every three years.
Utility corridor â A 3â4 foot gravel strip along the fence line for bins, compost, and tool storage; wind funnels through here, so anchor anything lighter than 40 pounds.
Planting beds â Layered zones of shrubs, perennials, and groundcovers that follow the fog gradient: sun-lovers on the east or south wall, shade plants near tall fences or under existing trees.
Fire-safe buffer â If you back onto open space in Twin Peaks or Mount Davidson, maintain a 30-foot defensible zone with low-fuel-volume plants and stone mulch; the fire department issues citations during summer inspections.
Materials for San Franciscoâs Climate
Permeable paversâconcrete or clayârank first because they handle the five-month dry spell without cracking and let winter rain infiltrate rather than sheet into your neighborâs foundation. Decomposed granite comes second: it drains instantly, costs $4â6 per square foot installed, and resists weed intrusion if you lay 3â4 inches over compacted base rock. Redwood or composite decking works in fog but requires annual cleaning to remove algae; untreated redwood weathers to silver-gray within two years. Bluestone and limestone look elegant but grow slippery under daily fog; save them for vertical accents, not walking surfaces. Avoid poured concrete on slopes above 8 percentâit cracks along the pour lines every winter when clay soils expand. Stacked stone or modular block retaining walls rated to 4 feet handle most backyard grade changes without an engineerâs stamp; anything taller triggers a geotechnical review and adds $3,000â5,000 to your permit.
What Homeowners Get Wrong in San Francisco
Planting citrus in fog belts â Your zone is technically 10b, but Karl the Fog keeps daytime highs below the 70°F threshold citrus needs to set fruit. Meyer lemons survive but produce half the yield of a tree 15 miles inland; plant them only on a south-facing wall with an overhang that blocks overnight moisture.
Ignoring SFPUC irrigation rules â Any system serving more than 500 square feet requires a permit, a backflow preventer, and a rain sensor. Inspectors issue $500 fines during drought years if your system runs during scheduled blackout windows (usually 9 a.m.â6 p.m. Wednesday and Saturday from June through September). For drought-tolerant landscaping that qualifies for rebates, you must submit a water budget calculation and plant list before installation.
Skipping wind protection â Western exposures shed 30 percent more moisture through wind desiccation than sheltered areas. A six-foot slatted fence or a double row of Myoporum parvifolium âPutah Creekâ cuts wind speed by half and extends the survival range of plants rated marginal for your zone.
Overwatering in summer â Homeowners see brown tips on their Ceanothus in July and assume drought stress; the real cause is root rot from watering three times a week. Most California natives evolved to go dormant during the dry seasonâadditional irrigation after May kills them. Stick to the SFPUCâs twice-per-week maximum and run your system at 5 a.m. to minimize evaporation.
Building without a soils report â Serpentine and fill soils shift unpredictably. A $600 compaction test before you pour footings for a retaining wall or pergola saves the $8,000 rebuild when your structure tilts within two years.
Budget Guide for San Francisco
$16,000 â Foundation tier â Covers 800 sq ft of decomposed granite paths, one 15-foot stacked-stone retaining wall up to 3 feet high, drip irrigation for 1,200 sq ft of planting beds (permit included), and 30 plants in 5-gallon containers. Youâll install sod yourself and rely on a single mature tree for shade. At this budget, skip the deck and use a 10Ă12 foot paver pad for seating.
$38,000 â Lifestyle tier â Adds a 200 sq ft composite deck, a second retaining wall, a 400 sq ft patch of âUC Verdeâ buffalo grass installed and watered-in, LED path lighting on a photocell timer, and 60 plants ranging from 1-gallon groundcovers to 15-gallon shrubs. Includes a propane fire table (no permit required if BTU rating stays below 65,000) and a privacy screen of 6-foot slatted cedar panels along one property line. Designer fee: $3,500.
$90,000 â Premium tier â Full backyard regrade with engineered retaining walls up to 8 feet, a 400 sq ft Ipe deck with built-in bench seating and pergola, a outdoor kitchen island (sink, grill, refrigerator) with gas and water lines run underground, a flagstone dining terrace, integrated uplighting and string-light infrastructure, a 15Ă20 foot artificial turf play area for kids or dogs, and a mature plant palette that includes 10 specimen trees in 24-inch boxes. At this level youâll hire a geotechnical engineer ($2,500) and a licensed landscape architect ($12,000) who will shepherd permits and coordinate with your contractor. Material delivery alone costs $4,000 because trucks canât navigate most San Francisco alleys; everything is hand-carried from the street.
Plant Palette
| Plant | Zones | Sun | Water | Height | Why here |
|---|---|---|---|---|---|
| âLittle Ollieâ Dwarf Olive (Olea europaea âMontraâ) | 8â11 | Full | Low | 4â6 ft | Tolerates fog and wind; evergreen structure for western fence lines in San Francisco backyards where afternoon gusts strip foliage from less robust shrubs |
| âYankee Pointâ California Lilac (Ceanothus griseus horizontalis âYankee Pointâ) | 8â10 | Full | Low | 2â3 ft | Native groundcover that thrives in shallow serpentine soils; blue blooms in March before dry season; no summer water after establishment |
| âPowis Castleâ Artemisia (Artemisia âPowis Castleâ) | 6â9 | Full | Low | 2â3 ft | Silver foliage reflects fog moisture and resists mildew; textural anchor in backyard planting beds that receive wind-driven salt spray |
| âCanyon Princeâ Island Snapdragon (Galvezia speciosa âCanyon Princeâ) | 9â11 | Partial | Low | 3â4 ft | Evergreen perennial with red tubular flowers that bloom in shade cast by fog; hummingbird magnet for San Francisco backyards near wooded edges |
| âWhipple Blueâ Coralberry (Symphoricarpos âWhipple Blueâ) | 7â10 | Partial | Low | 4â5 ft | Native shrub for north-facing backyard zones; white berries in fall; fog-tolerant and fire-resistant |
| âBig Blueâ Lilyturf (Liriope muscari âBig Blueâ) | 6â10 | Shade | Medium | 12â18 in | Evergreen edging grass that handles deep shade under existing trees and daily fog drip; purple spikes in late summer |
| âMajestic Beautyâ Indian Hawthorn (Rhaphiolepis âMonticâ) | 8â11 | Full | Low | 5â6 ft | Dense evergreen hedge for HOA-compliant backyard screens; pink blooms in April; resists wind shear |
| âIciclesâ New Zealand Flax (Phormium cookianum âIciclesâ) | 8â11 | Full | Low | 3â4 ft | Architectural accent that anchors corners of backyard terraces; white-striped blades tolerate wind and drought; evergreen year-round |
| âRogerâs Redâ California Grape (Vitis californica âRogerâs Redâ) | 7â10 | Full | Low | 15â25 ft | Native deciduous vine for pergolas; scarlet fall color before leaf drop; thrives in San Franciscoâs fog-cooled summers |
| âRay Hartmanâ California Lilac (Ceanothus âRay Hartmanâ) | 8â10 | Full | Low | 12â15 ft | Fast-growing evergreen screen tree for backyard perimeters; blue blooms in March; no summer water after year two |
| âCanyon Snowâ Manzanita (Arctostaphylos densiflora âCanyon Snowâ) | 8â10 | Full | Low | 3â4 ft | Native shrub with white urn-shaped flowers in February; red bark; thrives in shallow, acidic San Francisco soils |
| âAureaâ Dwarf Japanese Forest Grass (Hakonechloa macra âAureaâ) | 5â9 | Shade | Medium | 12â18 in | Golden cascading foliage for shaded backyard corners; tolerates fog and performs in containers on decks |
| âPoint Reyesâ Ceanothus (Ceanothus gloriosus âPoint Reyesâ) | 8â10 | Full | Low | 1â2 ft | Groundcover for slopes; deep blue flowers in spring; native to coastal San Francisco fog belt; no summer irrigation |
| âHuntington Carpetâ Rosemary (Salvia rosmarinus âHuntington Carpetâ) | 7â10 | Full | Low | 1â2 ft | Evergreen groundcover that releases fragrance in backyard walkways; blue blooms winter through spring; thrives in dry, windy conditions |
| âEmerald Carpetâ Manzanita (Arctostaphylos âEmerald Carpetâ) | 7â10 | Partial | Low | 8â12 in | Low-maintenance native groundcover for backyard beds under mature oaks; tolerates root competition and fog |
Try it on your yard
Every plant in the table above is verified for zone 10b and selected for San Franciscoâs fog, wind, and shallow soilsâbut the best design test is seeing them in your actual backyard layout.
See what your backyard could look like â
Frequently Asked Questions
Do I need a permit to landscape my backyard in San Francisco?
Most planting and hardscape work under 30 inches in height requires no permit. You do need one if youâre building a retaining wall over 4 feet, installing an irrigation system larger than 500 square feet, adding an outdoor kitchen with gas or electrical lines, or regrading slopes that affect drainage onto neighboring properties. SFPUC issues irrigation permits within two weeks if your plans include a backflow preventer and a rain sensor; retaining walls over 6 feet trigger a geotechnical review that adds four to six weeks.
What grass survives in a foggy San Francisco backyard?
âUC Verdeâ buffalo grass and tall fescue blends handle shade and cool temperatures better than ryegrass or Bermuda. Both stay green with twice-weekly watering from May through October and tolerate foot traffic from kids and dogs. If your backyard receives fewer than four hours of direct sun, replace turf with Dymondia margaretae or âEmerald Carpetâ manzanitaâboth are evergreen, walkable, and require no mowing.
How much does a backyard remodel cost in San Francisco?
Budget $16,000 for basic grading, paths, irrigation, and plants in a 2,500 sq ft yard. A mid-tier project with a deck, retaining walls, and upgraded plant palette runs $38,000â$45,000. Premium remodels that include outdoor kitchens, engineered walls, mature trees, and landscape architect fees reach $90,000â$120,000. Labor accounts for 60 percent of the total because most San Francisco lots require hand-carrying materials from the street.
Can I grow vegetables in a foggy backyard?
Yes, but focus on cool-season crops that thrive below 70°F: kale, chard, lettuce, peas, broccoli, and root vegetables all perform well year-round. Tomatoes and peppers struggle unless you have a south-facing wall that blocks afternoon fog and radiates heat overnight. Build raised beds 18â24 inches deep to overcome shallow native soil, and amend with compost and aged manure every spring. Most San Francisco backyard gardeners harvest lettuce in January and see their tomatoes ripen in October, the reverse of inland climates.
What fails in San Francisco backyards?
Citrus produces inconsistently because fog keeps temperatures too low for fruit set. Lavender succumbs to root rot from overhead watering and clay soil that doesnât drain. Roses develop powdery mildew unless you choose resistant cultivars and prune for airflow. Any plant labeled âfull sunâ and native to the Southwest (agave, ocotillo, desert marigold) will languish in fog; stick to California natives or Mediterranean garden plants from cool coastal regions of Europe.
Do I need to amend San Francisco soil before planting?
Yes, especially if youâre working with clay or fill. Dig 18â24 inches deep and mix in 3â4 inches of compost to improve drainage and add organic matter. If a soil test reveals pH below 5.5 (common over serpentine bedrock), apply lime at the rate recommended on the test report. For native plants, skip fertilizer entirelyâthey evolved in nutrient-poor soils and will grow leggy if overfed. Mulch all beds with 2â3 inches of shredded redwood bark to suppress weeds and conserve moisture during the dry season.
How do I design a backyard on a San Francisco hillside?
Start with a geotechnical engineer who will assess soil stability and recommend retaining wall locations. Terrace the slope into two or three level planting zones separated by walls 3â6 feet high; this creates usable space and prevents erosion. Use stacked stone or modular concrete block rather than poured wallsâthey flex with soil movement and cost 30 percent less. Plant groundcovers like âPoint Reyesâ ceanothus or Baccharis pilularis âPigeon Pointâ on the slope faces to lock soil in place. Install drip irrigation on each terrace to eliminate runoff, and run a perforated drain line behind the base of each wall to channel groundwater away from the structure.
What are San Franciscoâs outdoor watering restrictions?
From June 1 through September 30, SFPUC limits landscape irrigation to two days per week before 9 a.m. or after 6 p.m.; most neighborhoods are assigned Wednesday and Saturday. During drought emergencies, the limit drops to once per week. Hose watering without a shutoff nozzle draws $100 fines, and inspectors patrol regularly in July and August. Youâre exempt from the schedule if your system uses recycled water or if youâre hand-watering new plantings during their first 60 daysâbut you must display a sign with the installation date.
Can I use artificial turf in my San Francisco backyard?
Yes, and HOAs in newer developments often approve it as a water-saving measure. Choose a product with a 1.5-inch pile height and a perforated backing that drains fog moisture; cheaper turf mats grow algae within six months. Budget $12â18 per square foot installed, including base rock and edge restraint. Artificial turf solves the problem of shaded areas where real grass wonât grow, but it retains heatâexpect surface temperatures 15°F warmer than live sod on sunny September afternoons.
How do I get an SFPUC landscape rebate?
Submit a pre-installation application with a site plan, plant list (all species must be on the approved low-water-use list), and a water budget calculation showing at least 30 percent reduction in estimated annual use. The rebate pays $1.50 per square foot of removed turf or $500â$1,000 for irrigation upgrades that include weather-based controllers and pressure-regulating sprinklers. Processing takes six to eight weeks, and you must pass a post-installation inspection before the rebate check is issued. Pair this with drought-tolerant landscaping to maximize your savings and ensure every plant is zone-verified for 10b conditions.