Summer can turn a lush lawn into a patchy, thirsty mess if you do not plan ahead. These five practical tips focus on watering smarter, mowing for shade and stress reduction, feeding for sustained growth, choosing the right grass for your microclimate, and repairing wear before problems spread. If you want a deep dive into irrigation timing and volumes, see our page on Watering Your Lawn.

Mow Higher And Less Often

One of the simplest summer wins is to lift the mowing height. Taller blades shade soil, reduce evaporation, and help roots grow deeper. Aim to remove no more than one third of the blade at any cut. For most cool season lawns a mowing height of 50 to 75 mm in summer reduces heat stress. For warm season lawns such as couch or kikuyu, 25 to 50 mm is a sensible range depending on the variety and intended use.

Change your schedule, not just the height. Mow in the cooler part of the day, ideally early morning or late afternoon after dew has dried, and avoid midday mowing when sunlight and mower heat can cause extra browning. If you have a cylinder mower, it helps with a clean cut and reduces stress on the plant at higher mowing heights.

Water Deeply And At The Right Time

Shallow daily watering teaches grass to rely on surface moisture. Instead, water deeply and infrequently to encourage roots to go deeper. Typical guidance for summer is two to three deep sessions per week for sandy soils, and one to two for heavier soils, adjusting for rainfall and evapotranspiration. A target is 20 to 30 mm per week total, applied in larger doses rather than small frequent sprinkles.

Water in the cool of the morning, between 4am and 9am if you can. This reduces evaporation and helps turf dry before evening, which lowers disease risk. If you must water in the evening, keep it light and avoid puddles. For smart systems, use a rain sensor or soil moisture probe to avoid wasting water.

Climate Tip: Check your local Bureau of Meteorology climate zone before selecting grass seed. What works in Perth may not thrive in Brisbane due to humidity and rainfall differences.

Feed For Summer Strength

Summer fertilising should be tempered compared to spring. Heavy nitrogen in very hot weather can force soft leaf growth that is more drought prone. Use a slow release or controlled release fertiliser timed for early summer and again mid summer if the lawn is actively growing. That keeps carbohydrate reserves and root systems healthy.

Consider a light application of potassium in summer to improve stress tolerance and disease resistance. Soil testing is the only way to be precise, and in many Australian lawns a single targeted feed will outperform repeated blanket applications. If your lawn is newly established, use lighter, more frequent feeds matched to the seed establishment schedule.

Choose The Right Variety For Your Site

Nothing beats planting the right grass for your climate, shade and use. Cool season lawns tolerate lower temperatures and often keep a good colour into autumn and spring. If you are after a cool season option with deep roots and drought resilience, consider RTF Tall Fescue Seed. RTF forms a deep root system which helps it survive dry spells, but note it is not available for Tasmania. If you have heavy shade, Creeping Red Fescue is excellent for low light and competition with tree roots.

For homeowners wanting a blended, low maintenance cool season turf that tolerates a variety of conditions, the Elite Backyard Blend mixes species to balance colour, wear tolerance and shade response. Kentucky Bluegrass also copes well with cooler, moist conditions and makes a dense, attractive lawn; see Kentucky Bluegrass Seed for details on recommended seeding rates and care.

Shade Tip: If you have heavy shade look first at Creeping Red Fescue, followed by Elite Backyard Blend and RTF Tall Fescue for the best chance of green turf under trees.

Warm Season Options For Hot Regions

In truly hot parts of Australia a warm season species will stay green and recover quickly. For quick coverage and strong heat tolerance, Bermuda Couch Seed is a top seller. If you want immediate green while couch establishes, a Couch Blend that includes annual ryegrass gives fast green cover over summer while couch develops under the surface.

Zenith Zoysia is worth considering for partially shaded warm sites, but be patient as Zenith Zoysia germinates slowly compared to couch or kikuyu. Buffalo is another warm season option that handles partial shade better than many couch varieties. If you are in Western Australia please note that WA cannot receive any products, so plan purchases accordingly.

Repair, Overseed And Reduce Wear

High traffic, pet spots and barbecue burn can create thin patches that quickly become weeds if not fixed. For small bare areas, scarify lightly, add a thin topsoil mix, and overseed with a matching species. If you are repairing cool season turf in autumn or spring, use blends that match your lawn type. For warm season patches, reseed mid spring when soils are warming.

For step by step restoration, see our page on our page on Reviving Dead Grass which walks through assessing damage, choosing seed and timing your repair work. Short term fixes like overseeding with Annual Ryegrass can provide quick green while perennials re-establish, but remember annuals will die out by winter.

Quick Fix Tip: To mask a bare patch quickly, overseed the area with annual ryegrass for instant cover, then plan a permanent reseed with your long term species when conditions are right.

Basic Weekly Summer Maintenance Plan

Keep a simple routine to reduce decision fatigue. In summer check the lawn twice weekly, spot water deeply where soil is dry, mow once a week at adjusted heights, and inspect for pests or disease. If a problem appears, act fast. Many fungal diseases progress rapidly when turf is stressed by heat and moisture late in the day.

If you need tailored advice for your lawn type, see our page on our page on Summer Lawn Care for seasonal routines and checklists appropriate to different Australian regions.

Buying Seed And Planning Delivery

Before buying, check what seed suits your site and when to sow. Warm season sowing starts mid spring when soils warm, and cool season sowing is best in cooler months. If you are selecting seed and unsure, the McKays seed selection tool can help match varieties to your climate, shade and use. Our team of lawn experts are available online, by phone (1300 703 491) or email (customersupport@mckaysgrassseeds.com.au) all day to assist with customer enquiries. This is what they do all day, every day.

Be aware of delivery restrictions. Western Australia cannot receive any products. Tasmania cannot receive RTF Tall Fescue. If you need a variety that cannot be shipped to your state, our team can suggest close alternatives that behave similarly in your climate.

If you are trialling a mixed approach, remember Couch Blend includes annual ryegrass for quick green while couch establishes over summer. Zenith Zoysia will take longer to germinate, so plan patience and watering accordingly.