Sydney Seasonal Lawn Care Calendar

Keep it long, water deeply

• Mow weekly at a higher blade height (40–50mm for Buffalo, 30–40mm for Kikuyu) to shade the soil.
• Water deeply 1–2 times a week early morning rather than daily light sprays.
• Spot-treat bindii and clover before they seed.

Prevent heat stress

• Keep mowing weekly and never remove more than one third of the blade.
• Apply a wetting agent if patches are hydrophobic after hot spells.
• Watch for lawn grub — chewed edges and brown patches mean it's time to treat.

The most important month

• Apply a slow-release autumn fertiliser — this is the single biggest win of the year for Sydney lawns.
• Drop mowing frequency to fortnightly as growth slows.
• Aerate compacted areas around gates, paths and kids' play zones.

Repair and thicken

• Top-dress thin areas with a sandy loam and level low spots.
• Overseed bare patches in cool-season lawns (rare in Sydney, mostly Fescue).
• Clear leaf litter weekly so light reaches the turf.

Wind down growth

• Raise the blade slightly for the final couple of cuts to insulate roots.
• Apply a broadleaf weed spray while weeds are actively growing.
• Check edges and re-cut before the ground firms up for winter.

Rest phase

• Mow every 3–4 weeks — most warm-season lawns barely grow.
• Avoid heavy foot traffic on frosty mornings; wait for the sun to lift the crystals.
• Skip fertiliser — it's wasted on dormant Buffalo and Kikuyu.

Plan and prep

• Service the mower, sharpen blades and clean edges.
• Book in any hedging, mulching or garden bed work while lawns are quiet.
• Only mow if the lawn is genuinely long — a light tidy is enough.

Late-winter tune-up

• Apply gypsum to heavy clay soils to improve drainage before spring.
• Hand-remove winter weeds (Winter Grass, Oxalis) before they seed.
• Give the lawn a light rake to lift matted areas and let air in.

Wake it up

• First proper mow of the season — drop the height gradually across two cuts.
• Apply a spring fertiliser once night temperatures stay above 12°C.
• Aerate lawns that stayed wet through winter.

Push growth

• Move to fortnightly mowing as growth accelerates.
• Water deeply if spring is dry — encourage roots to chase moisture down.
• Treat any bindii early before it hardens into prickles for summer.

Thicken the canopy

• Weekly mowing kicks in — never scalp, always the top third.
• Top-dress and level any remaining low spots before summer sets in.
• Check irrigation coverage before the hot months arrive.

Presentation season

• Weekly mowing with sharp blades — clean edges make a huge difference.
• Raise the height back to summer setting to protect from heat and hold moisture.
• Deep water once or twice a week rather than daily sprinkles.