Victorian lawn care calendar: what to do month by month

A Victorian lawn needs real attention in two windows: spring (September–November), when you fertilise and get ahead of weeds and grubs before they establish, and again in early autumn (March–April) for one more feed and a weed-control pass before winter. Summer is mostly upkeep — regular mowing and deep watering — and winter needs almost nothing beyond an occasional higher mow. The table below is the quick version of what to do when; the sections after it cover the exact timing, and where Victoria's cooler, four-season climate changes the advice you'll find on generic Australia-wide lawn calendars.

Victorian lawn care calendar at a glance

This calendar is written for the warm-season grasses behind most Victorian lawns — buffalo, couch and kikuyu. If you're not sure which one you've got, our buffalo grass care guide and kikuyu grass care guide cover the mowing heights and traits that tell them apart. Cool-season lawns (tall fescue, more common in shadier Melbourne gardens) follow the same broad rhythm but flip their aeration and dethatching window to autumn instead of spring — noted below where it matters.

Month	Mowing	Feeding & weeds	Watch for
January	Weekly	—	Heat stress — raise cutting height in heatwaves
February	Weekly	Second fertiliser feed if not already done	Armyworm activity late in the month
March	Every 2–3 weeks	Main autumn fertiliser feed, early in the month	Bindii germinating — note the spot, don't spray yet
April	Every 2–3 weeks	Weed control window continues	Aeration for cool-season (fescue) lawns; armyworm after autumn rain
May	Tapering off	—	Tidy garden bed edging before winter
June	As needed, higher setting	Best month for post-emergent bindii, clover & oxalis control	Frost — avoid walking on frozen grass
July	As needed	—	Minimal growth, minimal watering
August	As needed	—	Kikuyu's once-off scalp to 10–15mm, late in the month
September	Ramping back to weekly	First spring fertiliser feed	Curl grub preventative treatment window opens
October	Weekly	—	Best aeration window for warm-season lawns; bindii now flowering — too late to spray, mow tight
November	Weekly	—	First hot spells — check irrigation before summer
December	Weekly, peak growth	Second fertiliser feed	Deep watering 1–2x a week in dry spells

Spring (September–November): waking the lawn up

Spring is the busiest month on this calendar, and getting it right sets up the rest of the year. As soil temperatures climb, mowing frequency should ramp back up to weekly for kikuyu and couch, and closer to weekly for buffalo as growth restarts — see our buffalo and kikuyu guides for exact heights, since the two grasses are mown quite differently.

Apply the first fertiliser feed of the year once growth is properly underway — a slow-release lawn fertiliser in early-to-mid spring is the standard approach, though some growers use a liquid feed slightly earlier if they want a boost before it warms up. Spring is also the window for a preventative curl grub treatment, timed to September–October when beetle eggs are hatching into young larvae — this is the easiest stage to control, well before grubs start feeding on roots and lifting turf later in summer. If you use a pre-emergent herbicide for summer grassy weeds such as crab grass and summer grass, it needs to go down before soil temperatures trigger germination, so early-to-mid spring is the window, not after you've already spotted them.

One thing worth knowing that a lot of generic guides get wrong: bindii germinates in autumn and sits inconspicuously through winter, then starts flowering and setting seed from early-to-mid spring. By the time it's visible and prickly underfoot in October or November, it's usually too far along for a post-emergent spray to be worthwhile — better to mow it down tight, keep bare feet off it, and mark the spot for proper treatment the following June (more on that under Winter, below). Spring is also the best aeration window for warm-season lawns — buffalo, couch and kikuyu all respond well to coring or spiking while they're in active growth, which helps water, air and fertiliser reach the root zone.

Summer (December–February): growth, heat and watering

Mowing stays weekly through summer for most Victorian lawns, and this is the one season where raising the cutting height a notch during a heatwave genuinely helps — a slightly taller lawn shades its own root zone and copes with heat stress better than one scalped down low. The second fertiliser feed of the year usually falls in early summer, keeping growth fed through the warmest months without pushing it so hard it needs mowing twice a week.

Watering is where Victoria's rules matter. Under the state's permanent water saving rules, a hand-held hose, watering can or bucket can be used at any time, but an automatic irrigation or sprinkler system is restricted to between 6pm and 10am. Regardless of the rules, deep and infrequent beats daily and shallow: one to two thorough waterings a week that soak well into the root zone build a more drought-resilient lawn than a quick sprinkle every evening, which only wets the surface and encourages shallow roots. Keep an eye out for armyworm from late summer onward — it can strip a lawn back fast once an outbreak takes hold, and catching it early makes treatment far more effective.

Autumn (March–May): the recovery window

Autumn is the second big push of the year. Apply the year's final fertiliser feed early in the season — March or April — while temperatures are still warm enough for the lawn to use it, strengthening roots before growth slows for winter. Mowing frequency drops back to every two to three weeks as the cooler weather takes hold, and by May most lawns need only an occasional light trim.

This is also when bindii and other winter broadleaf weeds are germinating, though the evidence on pre-emergent herbicide timing for bindii specifically is mixed — it germinates across a fairly broad temperature range, so a single autumn application doesn't always give consistent control. The more reliable route, covered in more detail under Winter below, is a post-emergent spray in June while the plant is small and actively growing. If you've got a cool-season lawn such as tall fescue, autumn — rather than spring — is your main aeration and dethatching window, timed to when that grass type is actively growing. Watch for armyworm again after the first solid autumn rains, which can trigger a fresh round of egg laying in dry grass left over from summer.

Winter (June–August): the quiet season

Most Victorian lawns barely grow through winter, so mowing drops to "as needed" rather than a fixed schedule — often once a month or less. Raise the cutting height a notch above your usual spring-summer setting; a slightly longer leaf catches more of the low winter sun and helps the lawn hold colour and crowd out weeds. Ease off watering almost entirely, since rainfall typically covers what a dormant lawn needs, and stay off the lawn when it's frosted — walking on frozen grass blades damages the cell structure and leaves patches more open to disease.

June is the month to actually deal with bindii, clover and oxalis: a post-emergent broadleaf herbicide applied while the plants are small and actively growing, but before they flower and set seed, is the most reliable control window on the calendar. Wait much past June and the same treatment starts arriving too late to stop that season's seed drop. Don't fertilise through winter — a dormant lawn can't use the nitrogen, and pushing growth it can't sustain does more harm than good. If you've got a kikuyu lawn, late August is when to do its once-off scalp down to 10–15mm, clearing old thatch and dead runners before spring growth kicks off — it's not something you'd do to a buffalo or couch lawn, so check our kikuyu grass care guide before reaching for the mower height lever.

However you're managing it, if a lawn has been let go over winter and needs a proper tidy up before spring, that first cut is usually a bigger job than routine mowing — our lawn mowing cost guide covers why an overgrown one-off cut costs more than a lawn kept on a regular schedule, and what a fair quote for either looks like. If ongoing weeds are more than a Saturday-morning job, that's what our weeding service is for.

Frequently asked questions

What month should I fertilise my lawn in Victoria?

Three feeds a year suits most lawns: early spring (September–October) as growth restarts, early summer (December) to sustain peak growth, and early-to-mid autumn (March–April) before the lawn slows for winter. Skip nitrogen over winter, since a dormant lawn can't use it.

When is the best time to treat bindii in Victoria?

June, while it's small and actively growing but hasn't flowered yet. Bindii germinates in autumn and starts setting seed from early-to-mid spring, so by the time it's visible in spring it's usually too late to stop that season's seed drop — treat it properly the following June instead.

Do I need to mow my lawn in winter in Victoria?

Occasionally, not on a fixed schedule. Most lawns barely grow through June–August, so mow only when it visibly needs it — often once a month or less — and raise the cutting height a notch rather than mowing at the usual spring setting.

When should I treat for curl grubs?

Early spring, roughly September–October, is the best preventative window, timed to when beetle eggs are hatching into young larvae. Treating a visible infestation later in the season is still worth doing, but it's damage control rather than prevention.

Can I water my lawn every day in summer in Melbourne?

With a hand-held hose, watering can or bucket, yes, at any time. An automatic irrigation or sprinkler system can only run between 6pm and 10am under Victoria's permanent water saving rules. Either way, a deep soak once or twice a week beats daily shallow watering for lawn health.