Seasonal · Fall
The Fall Cleanup Checklist for Durham Homeowners
Fall work decides what your lawn looks like next May far more than anything you do in spring. Here are the nine jobs, in order, and an honest ranking of which ones actually matter.
Two of the nine jobs matter and the rest are optional, so do those two yourself if you like. A one-off cleanup runs $200 to $475; it is included every year in all three memberships.
Green in summer. Clear in winter.
The short answer
If you only do two things: get the leaves off before the first lasting snow, and take the final cut down to about 2.5 inches. Those two prevent snow mould, which is the damage that actually shows up in April.
Why fall matters more than spring
A cool-season lawn does most of its root growth in autumn. September through early November is when the plant banks the carbohydrate it will live on through winter and spend on green-up in April. What you do in those weeks is deposited; what you do in spring is mostly withdrawn.
The other half of it's damage prevention. Almost every ugly April lawn in Durham is the result of something that happened the previous November: leaves left to mat, grass left too long under snow, or salt washed off the driveway into the edge. None of it's visible at the time. All of it's visible on the first warm weekend of the year.
The nine jobs, in order
Sequence matters. Doing these out of order means doing several of them twice.
| # | Job | When | Priority |
|---|---|---|---|
| 1 | Aerate and overseed | First three weeks of September | High: the window that works |
| 2 | Fall fertilizer, first application | Mid to late September | High: feeds root growth |
| 3 | Cut back perennials and clear beds | Late September to October | Medium |
| 4 | First leaf clearing | Mid-October, once roughly half are down | High |
| 5 | Trim shrubs and hedges | October | Medium: avoid spring bloomers |
| 6 | Second leaf clearing | Early November, after the oaks finish | High |
| 7 | Late fall fertilizer | Late October to early November | Medium-high |
| 8 | Final cut at 2.5 in | Early to mid-November, when growth stops | High |
| 9 | Blow out and shut off outdoor taps | Before the first hard freeze | High: freeze damage is expensive |
Two leaf passes rather than one is the single change that makes the biggest difference to how the job goes, and to what it costs if someone else is doing it.
The three that people get wrong
Waiting for the last leaf
The most common and most expensive mistake in Durham. In neighbourhoods with mature maples and oaks (older Oshawa, the streets around Mearns and Soper Creek in Bowmanville, most of central Whitby), the drop runs over six weeks.
Leaves left on the lawn for those six weeks mat down, hold moisture, block light and produce exactly the conditions snow mould needs. Two passes, mid-October and early November, is the right answer.
It's also cheaper. One enormous pass through soaked, matted leaves takes longer than two tidy ones.
Leaving the grass long
Long grass under a snow pack lies over, stays wet, and grows the grey-pink matted circles of snow mould that show up as dead patches in April.
Take the final cut to about 2.5 inches. Short, not scalped: below 2 inches exposes the crown to freeze damage, which is the opposite problem.
Time it for when growth has stopped for the year, usually the first fortnight of November in Durham. Cut too early and it grows back.
Fertilizing at the wrong end
Spring fertilizer produces a flush of top growth that the plant then has to support through summer. Fall fertilizer goes into roots and into next spring's green-up.
If you only fertilize once a year, do it in the second half of October. That single application does more than three spring ones.
Keep it off the driveway and walk: anything on hard surface washes into the storm drain and, in Durham, into Lake Ontario.
Leaves: what to do with them
Mulch the light drops. Up to roughly a 2 cm covering can simply be mown over. The shredded leaf breaks down into the soil over winter and is good for the lawn. This works for the first drop and for birch, ash and honey locust.
Remove the heavy drops. Maple and oak in quantity can't be mulched in place. A thick maple layer mats into something close to wet cardboard and will kill grass under it in a fortnight.
Don't blow them into the road. It's against municipal bylaws across Durham, it blocks storm drains, and it puts leaf litter into the lake. Oshawa, Whitby, Ajax, Pickering and Clarington all run curbside yard-waste collection through the fall. Check your municipality's schedule, because the dates and the bag rules differ.
Get them out of the beds and off the walk too. Wet leaves on a walkway freeze into a sheet you cannot see, and they're the reason a lot of December slips happen on properties that are otherwise well kept.
The fall job people forget entirely
Mark your driveway edges before the ground freezes. Reflective driveway markers cost a few dollars and they're the difference between a plow that clears right to your asphalt edge and one that leaves a margin because the operator can't see where the lawn starts. We install markers on every snow property in November: it protects your turf and it makes the clearing faster and cleaner. More on how storm clearing works.
Everything in a fall cleanup
What a full Northline fall cleanup covers, and what it looks like on the ground.
Common questions
When is the last cut of the year in Durham?
Usually the first two weeks of November, but the trigger is growth rather than the date. Once daytime highs sit consistently below about 10 °C the grass stops growing, and that's your final cut. Some years in Durham that's the last week of October; in a mild year it can be the third week of November.
Do I really need two leaf passes?
In a yard with mature trees, yes. In a new subdivision with young trees and a fence-line of nothing, one pass in early November is usually plenty. The test is simple: if leaves have been sitting on the grass for more than about ten days, they're already doing harm.
What does a fall cleanup cost in Durham Region?
A one-off fall cleanup runs roughly $200 to $475 depending on lot size and tree cover. It's included every year in all three memberships, which is a large part of why the bundled memberships work out cheaper than buying services one at a time.
Should I cover the lawn or put down straw for winter?
No. An established lawn doesn't want covering, and straw is an invitation to voles. The exception is newly seeded areas on an exposed slope, where a light germination blanket helps. Otherwise leave it alone.
The last lawn job of the year is the first winter one
A fall cleanup is where the two seasons meet: leaves off, beds cut back, the final cut lower than usual, and the snow markers going in on the same visit. For members it is one job on one schedule rather than two contractors and two phone calls.
One contractor, one schedule, one payment: Gold at $189 a month plus HST, $213.57 on the card. The cleanup and the plow are the same truck, which is why the snow markers go in on the same visit the leaves come off. Twelve equal payments, and no per-visit charge in either season. The full membership comparison is here, or send us the address and we'll send a number back the same day, Monday to Saturday.
Keep reading
More property care tips
When to start cutting your lawn in Oshawa
The first cut is the one most homeowners get wrong. Soil temperature beats the calendar, and two weeks of patience buys you a better June.
Read the guide →The right mowing height for a Durham Region lawn
Three inches isn't laziness. It's the cheapest weed control and drought protection available to an Ontario homeowner.
Read the guide →Aeration and overseeding: Ontario's September window
There's one stretch of the year when aeration and new seed actually work in Durham. Miss it and you've spent the money for nothing.
Read the guide →Want this handled for you?
Every tip on this page is something we do for members every week, on schedule, in uniform, for one flat monthly payment. Tell us your address and we'll send a real number the same day, Monday to Saturday.
Green in summer. Clear in winter.