Every August, the questions come in. "My lawn is turning brown — is it dead? Did I do something wrong?" Here on Vancouver Island, this is one of the most common concerns homeowners reach out about, especially people who are new to the island or haven't been through a full summer cycle yet. The short answer, almost every time, is no. Nothing is wrong with your lawn. It's doing exactly what it evolved to do.
Here's the fuller answer — what's actually happening, how to tell if you should worry, and what you can do right now in late April to make this summer easier on your lawn.
Cool-Season Grass and Summer Dormancy
Almost every lawn in Nanaimo, Lantzville, and the surrounding area is made up of cool-season grass — perennial ryegrass, fine fescue, Kentucky bluegrass, or some mix of these. Cool-season grasses thrive in the 15–22°C range that we enjoy from October through June. They grow vigorously in spring and fall, slow down in summer heat, and have a built-in survival mechanism for drought: they go dormant.
Dormancy means the plant pulls its resources inward, away from the blades and into the crown and root system. Growth stops. The blades lose their colour and go tan or straw-coloured. From a distance it looks dead. It isn't. The plant is waiting it out, just as it has done every summer for as long as grass has grown on Vancouver Island.
Our Summer Drought Is Real
Vancouver Island has a reputation as a rainy place — and for eight months of the year, that's well-earned. But our climate pattern has a sharp edge: the wet season ends roughly in late May or early June, and then it stops. Reliably.
July and August in Nanaimo and Lantzville can easily go five, six, even eight weeks without meaningful rainfall. Qualicum Beach is similar — the drier interior influence means some summers see even less summer precipitation than the coast does. On the whole, Vancouver Island gets only about 25–40 mm of rain across those two months combined. That's a genuine drought for cool-season grass.
This isn't an unusual year when it happens. It's the pattern, every year. Cool-season grass has seen it coming, and it goes dormant in response.
How to Tell Dormancy from Dead
Dormancy and death look similar from a distance. Up close, they behave very differently.
Dormant grass goes uniformly pale — straw-coloured or light tan across most of the lawn surface. The blades still have some structure; they stand up slightly rather than lying flat. If you grab a handful and tug, the grass holds. The roots are still there, anchored in the soil.
Dead grass looks grey or bleached white, matted down, with no structural integrity. Patches often pull up with little resistance, sometimes bringing the root system with them. Dead areas are also usually irregular — dead in some spots, green or dormant in others — which suggests disease, grubs, or a localized soil problem rather than uniform summer dormancy.
Grab a small handful of brown grass and give it a firm tug. Dormant grass resists — the roots are intact and holding. Dead grass lifts easily, sometimes with roots attached or no roots at all. If large sections of your Nanaimo or Lantzville lawn pull up without resistance in late summer, chafer beetle grubs may be the culprit. That's a different problem worth investigating.
Water It or Let It Go?
This is what most homeowners are really asking, and the honest answer is: both approaches work fine. The choice is yours.
Option One: Water Through Summer
If you want a green lawn through July and August, you can have one — but you need to commit to it properly. The goal is deep, infrequent watering: roughly one inch of water per week, applied in one or two sessions rather than a little every day. Deep watering encourages roots to grow further down into the soil, where moisture persists longer. Shallow daily watering does the opposite — it keeps roots near the surface and makes the lawn more dependent on the watering schedule, not less.
If you have an irrigation system with consistent timing, keeping the lawn green through summer is manageable. Without one, it requires real attention and will-power.
Option Two: Let It Go Dormant
If you don't have irrigation and don't want to commit to hand-watering, let the lawn go dormant completely. Stop watering, accept the tan colour, and wait. The first fall rains — usually arriving in earnest by September — will bring the lawn back to life within two to three weeks. You'll see green returning almost as if a switch was flipped. This is the natural rhythm of a Vancouver Island lawn, and it works reliably year after year.
The one pattern to avoid is partial watering during dormancy — wetting the lawn occasionally without committing to keeping it active. Bringing the grass in and out of dormancy repeatedly over the summer is harder on the plant than either consistent watering or full dormancy. Pick one approach and stick with it.
What You Can Do Right Now
Late April is actually the best time to act on this — not August, when you're already looking at a brown lawn, but now, while the grass is actively growing and can respond to what you do.
Aerate. Core aeration opens up the soil profile, which allows roots to grow deeper and water to penetrate further. A lawn with deep roots handles drought significantly better than one with roots confined to the top two or three inches. If you haven't aerated this spring, this is the window. The soil is moist, the grass is growing, and new roots will establish quickly into the opened soil.
Top dress with compost. A thin layer of compost worked into the surface after aeration improves the soil's water-holding capacity in sandy soils, and improves drainage in clay soils. Both outcomes mean the root zone retains useful moisture longer into summer — which means less stress on the lawn before it goes dormant, and a faster recovery when fall arrives.
Include turf-type tall fescue when overseeding. If you're overseeding thin areas this spring, choose a seed mix that includes turf-type tall fescue. It develops a significantly deeper root system than perennial ryegrass, which gives it meaningfully better drought tolerance. It won't stay green without water in a Nanaimo August, but it will handle dormancy and recovery better than a ryegrass-only lawn.
Don't over-fertilize with nitrogen in spring. Heavy nitrogen applications in April and May push fast, lush top growth — the lawn looks fantastic in June. But it does so at the expense of root development, and a lawn with shallow roots goes into summer drought stress in worse shape than a lawn that was fed more moderately. A balanced approach builds root mass and plant health, not just surface colour.
Mowing During Summer Stress
If your lawn is still active and green going into early summer, raise your mowing height to 3–3.5 inches. Taller grass shades the soil, keeps the root zone cooler, and retains soil moisture better. It also gives the plant more leaf surface area to support itself through heat stress.
Once the lawn has gone fully dormant, stop mowing. There's nothing to cut, and driving over dormant grass causes unnecessary stress to the crowns. Wait until it greens back up in fall before resuming your normal schedule.
What Happens in September
The return of consistent fall rain is reliable and welcome. In Nanaimo and Lantzville, this usually starts in earnest by mid-September, though sometimes earlier. Within a couple of weeks of that first good rain, the lawn wakes up — you'll see green pushing through the tan almost overnight.
Once it's active again, September is the ideal window for overseeding thin or bare areas, aerating to relieve summer compaction, and applying a fall fertilizer to help the lawn build root reserves heading into winter. The fall growing season is short but productive on Vancouver Island, and it sets the lawn up for the following spring.
If you're watching your Nanaimo or Qualicum Beach lawn go tan this summer and wondering whether it's normal — it almost certainly is. Give it water if you want green, or let it rest until September. Either way, your lawn knows what it's doing.