A month-by-month schedule for California lawns — when to fertilize, overseed, aerate, apply pre-emergent, mow, and water, keyed to the state's climate and grass types.
Dominant grasses: Tall fescue, Bermuda, Zoysia, St. Augustine
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Current month
Dry and warming statewide. Raise the fescue mower, keep Bermuda fed, and water deep on allowed days.
Mow: Raise fescue, keep Bermuda low
Mow coastal fescue tall (3.5–4") to shade its roots through the dry summer. Interior Bermuda stays low and tight — it loves the heat.
Water: Deep watering on allowed days
Make every allowed watering day count with deep, early-morning soakings. Shallow daily watering wastes your allowance and breeds drought-prone roots.
California defies a single lawn calendar because the state is really a dozen climates stacked together. The cool, foggy coast from San Francisco to San Diego supports cool-season tall fescue nearly year-round. The hot interior valleys — Sacramento, Fresno, Bakersfield — and the southern deserts are warm-season Bermuda and zoysia country, dormant in winter and roaring in summer. Most California lawns lean warm-season because of the long, hot, dry summers, so this calendar follows the warm-season clock while flagging where the cooler coast diverges.
Water is the issue that defines lawn care in California, and it has for years. Statewide and local drought restrictions, tiered water pricing, and turf-replacement rebates have reshaped how Californians think about lawns. Many water districts limit outdoor watering to two or three days a week, and during drought emergencies the limits tighten further. That makes a smart controller, deep efficient watering, and drought-tough grass choices essential rather than optional — and it's pushed a lot of homeowners toward low-water tall fescue, drought-improved Bermuda, or replacing turf entirely.
The practical upshot: know your microclimate. On the coast, your cool-season fescue does its best growing in the mild spring and fall and just needs to be carried through the dry summer with efficient water. In the interior valleys and deserts, your Bermuda is dormant and brown in winter, scalped and woken in spring, fed and watered hard through the long summer, and shut down before the mild frost. Pick the grass that fits your zone and the rest of the calendar falls into place.
Pre-emergent
February – March
California's mild winters mean weeds germinate early. Time it to soil hitting 55°F.
Bermuda scalp + green-up (interior)
April
Scalp dormant Bermuda low in the interior valleys as it breaks dormancy.
Summer water management
May – October
The long dry season under district watering limits — efficient irrigation is everything.
Fall feeding (coastal fescue)
September – October
The prime feeding and overseeding window for cool-season coastal lawns.
Spring
Coastal fescue is in peak growth — feed and overseed. Interior Bermuda breaks dormancy — scalp it low and start feeding once active.
Summer
The long dry season under watering restrictions. Mow tall, water deep and efficiently on allowed days, and let low-priority areas go dormant.
Fall
Coastal fescue's prime window — overseed and feed. Interior Bermuda winds down toward its mild dormancy.
Winter
Coastal fescue stays green and growing; interior Bermuda goes tan and dormant. Cool, wetter months — little watering needed.
Wet season on the coast keeps fescue green; interior Bermuda is dormant and tan. Little to do but mow coastal lawns.
Mow: Mow coastal fescue as needed
Coastal cool-season fescue keeps growing slowly through the mild, wet winter. Interior Bermuda is dormant — leave it alone.
Mild winter means weeds germinate early. Apply pre-emergent and pull a soil test before spring feeding.
Pre-Emergent: Apply pre-emergent
California's mild winters let crabgrass and weeds germinate early — a February-March pre-emergent gets ahead of them. Skip it where you plan to overseed.
Scotts Turf Builder EdgeGuard DLX Broadcast Spreader →Coastal fescue enters peak spring growth; interior Bermuda starts stirring. Begin regular mowing.
Mow: Resume regular mowing
Growth picks up statewide. Mow tall fescue at 3–3.5 inches; the interior Bermuda will be ready for its scalp soon.
Soil Test: Soil test before feeding
A soil test guides the spring feeding and flags whether your often-alkaline California soil needs amendment.
Coastal fescue peaks; interior Bermuda breaks dormancy. Scalp the Bermuda and start spring feeding.
Mow: Scalp interior Bermuda
In the interior valleys and deserts, scalp the waking Bermuda low and bag the dead canopy to speed green-up. Don't scalp coastal fescue — just keep mowing it tall.
Toro Recycler 22" SmartStow Self-Propelled Mower →Fertilize: Spring feeding
Feed coastal fescue now in its peak growth. Hold interior Bermuda feeding until it's fully green and active in May.
Scotts Turf Builder EdgeGuard DLX Broadcast Spreader →The dry season begins. Interior Bermuda hits full stride and starts feeding; set up efficient irrigation statewide.
Fertilize: Begin Bermuda feeding
Interior Bermuda and zoysia are fully active now and ready for nitrogen — the start of their summer feeding season.
Water: Set up smart irrigation
California's long dry season under district watering limits makes a smart controller essential — it maximizes allowed days, uses rain skip, and runs cyclic soaks to prevent runoff.
Rachio 3 Smart Sprinkler Controller (16-Zone) →Dry and warming statewide. Raise the fescue mower, keep Bermuda fed, and water deep on allowed days.
Mow: Raise fescue, keep Bermuda low
Mow coastal fescue tall (3.5–4") to shade its roots through the dry summer. Interior Bermuda stays low and tight — it loves the heat.
Water: Deep watering on allowed days
Make every allowed watering day count with deep, early-morning soakings. Shallow daily watering wastes your allowance and breeds drought-prone roots.
Peak heat and drought stress, brutal in the interior. Keep Bermuda fed and watered; carry coastal fescue through.
Fertilize: Continue Bermuda feeding
Interior Bermuda keeps feeding through the heat it loves. Ease off feeding heat-stressed coastal fescue until conditions cool.
Water: Prioritize water in drought
Under tight summer restrictions, prioritize water for high-visibility areas and consider letting back lots go dormant. Drought-tough grass survives the deficit far better than thirsty turf.
Still hot and dry. Maintain Bermuda's water and feeding; the interior lawn is at its summer peak.
Mow: Maintain mowing rhythm
Keep up with Bermuda's fast summer growth. Sharp blades matter — torn blades brown out fast in the dry heat.
Fertilize: Late summer Bermuda feeding
One more Bermuda feeding while it's growing hard. Begin tapering toward the fall slowdown afterward.
Heat eases. The prime window for coastal fescue overseeding and feeding opens; interior Bermuda winds down.
Overseed: Overseed coastal fescue
September into October is the prime cool-season window on the coast and in the cooler north. Overseed thin tall-fescue lawns with a water-saving blend before the mild winter.
Barenbrug RTF Water Saver →Fertilize: Fall feeding (coastal)
Feed coastal fescue to build root reserves through the cool season. Stop feeding interior Bermuda as it heads toward dormancy.
Scotts Turf Builder EdgeGuard DLX Broadcast Spreader →Cooler, possibly the first rain. Coastal fescue thrives; interior Bermuda starts going tan. Manage leaves.
Overseed: Finish coastal overseeding
Wrap up any fescue overseeding early in the month so new grass establishes before the cool, wet season sets in.
Cleanup: Manage leaf drop
Keep leaves off new coastal fescue and dormant-bound interior lawns alike.
EGO Power+ 650 CFM Cordless Leaf Blower (LB6504) →Wet season returns to much of the state. Coastal fescue stays green; interior Bermuda goes dormant. Cut back watering.
Water: Cut back irrigation
As the rains return, dial irrigation way down or off. A smart controller transitions automatically based on actual rainfall.
Cleanup: Final leaf cleanup
Clear leaves before they pack down over coastal fescue or dormant interior turf.
Greenworks Pro 80V 730 CFM Brushless Leaf Blower (BL80L2512) →Wet, mild winter. Coastal fescue grows slowly and green; interior Bermuda sleeps. Minimal work.
Mow: Mow coastal fescue as needed
Coastal cool-season lawns keep growing slowly through the mild winter. Service equipment and leave the dormant interior Bermuda alone.
This calendar tells you when to overseed and reseed. For which grass seed actually thrives in California's climate — variety-by-variety, with climate-matched picks — our partner site Premium Grass Seeds has a dedicated California guide.
See the California grass-seed guide →The spreaders, controllers, seed, and tools that show up most often in the California calendar above — the short list worth owning.
Scotts
The default broadcast spreader recommendation for most homeowners. Especially for lawns with sidewalks, beds, and edges that need spread control.
Barenbrug
Lawn enthusiasts in zones 4-7 who want the best possible tall fescue and are willing to invest in long-term lawn quality.
Rachio
Properties with 9+ zones — large residential lots, small commercial properties, or homes with multiple valve boxes.
Toro
The classic 1/4 to 1/2 acre suburban lawn where you want a great mulcher and don't need a 30-inch deck.
EGO
Homeowners with serious leaf load (mature trees, large lots) who want backpack-blower performance in a handheld form factor.
It depends on your microclimate. The cool, foggy coast supports low-water tall fescue nearly year-round. The hot interior valleys and southern deserts are better suited to drought-improved Bermuda or zoysia, which thrive in the long hot summers and go dormant in winter. With California's water restrictions, drought-tolerant tall fescue and Bermuda have become the default choices over thirstier grasses.
Water deeply on your allowed days rather than shallowly every day, mow tall, and use a smart controller that maximizes your limited watering windows with rain skip and cyclic soak cycles. Most districts cap outdoor watering at two or three days a week, tighter during drought emergencies. Switching to low-water tall fescue or drought-improved Bermuda cuts your water needs substantially.
In April in the interior valleys and deserts, as the dormant Bermuda breaks dormancy and greens up. Drop the mower low and bag the dead brown canopy to speed the green-up and clear thatch. On the coast, where lawns are usually cool-season fescue rather than Bermuda, you don't scalp — you just keep mowing tall year-round.
For cool-season tall fescue on the coast and in the cooler north, September into October is the prime window — the heat has eased and the lawn has the mild fall and winter to establish. In the warm-season interior, Bermuda spreads on its own and isn't typically overseeded; instead you focus on a strong spring green-up and summer feeding.
California is in the warm-season south group. These states follow similar seasonal logic, though local soil, elevation, and weather still matter.
Calendars are general regional guidance for The Lawn Report. Local microclimates, soil, and current weather always come first.