There are two ways a yard in Stittsville or Barrhaven ends up at our door. One is that the hardscape is going in and the lawn and beds around it need to be built at the same time. The other is that the builder’s landscaping has failed, which in these communities it reliably does within a few years.
Both come down to the same thing. Softscaping in Stittsville and Barrhaven is not about what you can see. It is about the fifteen or twenty centimetres under it that the builder never gave you.
What softscape means
Softscape is everything living or organic in a yard: lawn, garden beds, trees, shrubs, perennials and the soil and mulch they grow in. Hardscape is the stone, the patio, the walls and the driveway. Our guide to hardscape versus softscape in Ottawa covers how the two are sequenced and how a budget divides between them. This is the softscape half on its own, for the two communities where it fails most often.
The problem underneath
When a subdivision is built, the topsoil is stripped, the lots are graded with heavy equipment, and the ground that is left is compacted clay fill. Just before closing, the builder spreads a thin skin of topsoil, often only a few centimetres, and rolls sod onto it.
For the first season it looks like a lawn. Then the roots reach the clay and stop. The grass lives in a shallow layer that holds water in April and May, turns to brick in July, and thins out a little more every year. Beds planted into the same ground do the same thing in slow motion: shrubs sit in a clay bowl that fills with water in spring and drowns them, then dries hard in summer and starves them.
That is why re-sodding a failed Barrhaven lawn on top of the same clay produces the same lawn. The soil has to be dealt with first.
Building soil that drains
The sequence we work in, in both communities:
- Grade first. Before topsoil goes anywhere the lot is checked for where water goes. Low spots that hold water, grading that has settled back toward the house, and downspouts discharging into a corner are all corrected at this stage. On Stittsville’s larger lots that usually means multi-zone drainage so the low end of the yard does not become the seasonal wetland. On Barrhaven’s tighter lots it is often a French drain or a channel drain where a swale will not fit.
- Break the clay or amend it. Loosening the top layer of compacted fill and working in organic matter lets water and roots move through the transition instead of stopping at it. Where the clay is dense we test the soil and amend it to the lot, not to a general recipe.
- Real topsoil depth. A screened topsoil at a depth a lawn can actually root into, graded smooth and to fall. This is the step the builder skipped and it is most of the cost of doing it properly.
- Then the sod. Fresh-cut Kentucky bluegrass sod laid the same day it leaves the farm, rolled, and watered on a schedule we hand you in writing. Timing matters: late April to early June and late August to October are the windows that give sod a fair chance in Ottawa.
The same logic applies to beds. A bed is dug out, the clay broken, compost worked in, and the bed built up so it drains. A shrub planted into a hole in clay with no amendment is a shrub in a bathtub.
Beds and planting in zone 5a
Ottawa is USDA zone 5a, which rules out a lot of what the garden centres sell in May. The plants that last here are hardy natives and adapted species, and the ones that last in your yard are the ones matched to its exposure.
West-end lots in Stittsville and Barrhaven often have a rear yard facing west or south with no mature trees yet, which is full sun and real heat by July. That calls for different material than a shaded north side yard or a bed against the house that stays wet. We design plantings in layers, evergreens for winter structure, perennials and ornamental grasses for the rest of the year, and we choose for the actual conditions of each bed rather than a plant list that looks good in a catalogue.
Two practical notes for these communities. New subdivisions have very little shade, so a few well-placed trees are the highest-value planting you can make, and they take years to matter, which is an argument for putting them in first. And deer are less of a problem on Stittsville and Barrhaven lots than on rural Carp or Richmond properties, so the browse-resistant plant lists we use out there can be relaxed here.
Nursery stock we supply comes with a one-year plant warranty, which is only worth offering because the soil work underneath it is done properly.
Mulch, done properly
Mulch gets asked about more than it deserves, and done wrong more than it should be.
A bed gets a layer of roughly five to eight centimetres of mulch over prepared, weeded soil. It is kept back from plant stems and tree trunks, because mulch piled against a trunk holds moisture against the bark and rots it. It is kept back from the house foundation for the same reason. It breaks down over two or three seasons and is topped up to the same depth, not piled higher every spring until the bed is a mound.
Edging is what keeps a bed looking like a bed. A cut spade edge, a steel or aluminum edge, or a paver border, depending on the yard, and it is what separates a garden from a lawn with some plants in it.
Front yards and the boulevard
Front-yard softscaping in Stittsville and Barrhaven faces road salt, plough windrows and full winter sun, and the City has rules for what can be planted on the boulevard strip. We covered all of that in front yard landscaping in Ottawa, and it applies directly here. The short version: salt-tolerant material near the road, nothing you love in the plough zone, and beds that read well from the street in March as well as June.
Stittsville versus Barrhaven
The clay is the same. The lots are not.
Stittsville yards are larger, which means more lawn to build soil under, more room for real beds and trees, and drainage that has to be designed across zones rather than solved with one drain. Softscape here is usually one part of a wider design with patios, a fire-pit zone and sometimes a pool, and our Stittsville hardscaping guide covers how those pieces fit. The rest of what a yard here has to work around, from ditches and Poole Creek to tree rules, mulch quantities and choosing a landscaper, is in landscaping in Stittsville.
Barrhaven yards in Stonebridge, Half Moon Bay and Chapman Mills are tight, and softscape has to earn its square footage. A small lawn built properly, beds along the fence line, and one or two trees placed for shade and privacy do more than a large lawn that is never healthy. Access is also a real constraint, because soil and sod come in through a side gate. The rest of what a Barrhaven yard has to work around, from the City grading plan and shared swales to tree and fence rules, is in landscaping in Barrhaven.
Sequencing with hardscape
If a patio, walkway or wall is in the plan, the softscape goes in after it, not before. Stone work needs excavation and equipment that will destroy a new lawn, and the grading for the hardscape sets the grading for everything around it. Where a project phases across seasons, the hardscape and grading go in the first season and the sod and planting in the next window. It is the order that costs least, and our hardscape versus softscape guide explains the budget split.
What we do and do not do
Our scope is design and construction: grading, soil, sod, beds, planting, trees and shrubs, mulch, edging and low-voltage lighting. We hand off a written aftercare plan and can recommend Ottawa maintenance crews for ongoing service, but we are not a lawn-care company. If what you need is someone to mow and fertilise, we are the wrong call. If what you need is a yard that can be maintained because it was built correctly, that is the work.
The full service is on our landscape construction page, with local pages for Stittsville and Barrhaven. Book a free on-site estimate and we will look at what is under the lawn before we talk about what goes on top of it.
Published September 5, 2026 by ALM Construction & Landscaping. General information for Ottawa-area homeowners, not a substitute for the City's determination on your specific project.