BasicFertilizer only
- 3× fertilizer applications
- Spring · Summer · Fall
- Premium golf-grade product
- Tailored NPK ratio per season
- Visit windows: April · June/July · September
02 — Lawn Health
Lawn Fertilizer Programs in Ottawa
Three-step fertilizer programs that build turf density, deeper green, and stronger roots — with optional core aeration and overseeding for the full Ottawa-clay-soil reset. Premium golf-grade product on every visit.
Pick your package
Two ways to feed your Ottawa lawn.
Both packages run April through October. The Complete package adds core aeration and overseeding for properties that need a full reset.
CompleteBest value
- 3× fertilizer (Spring · Summer · Fall)
- Core aeration (Spring or Fall)
- Overseeding to thicken thin areas
- Same premium golf-grade product
- Best for clay soil & heavy-traffic lawns
The 3-step program
How fertilizer programs work in Ottawa.
Ottawa's clay-heavy soil holds moisture well but locks up nutrients — which is why "feed it, water it" alone rarely produces a tour-grade lawn here. A timed, three-step program respects how cool-season grass actually grows in our climate.
Step 1 — Spring (late April / early May). Slow-release nitrogen wakes the lawn from winter dormancy and pushes the early density that crowds out crabgrass before it germinates. We avoid the common mistake of applying too early — fertilizing frozen or saturated ground just runs nitrogen off into the storm sewer.
Step 2 — Summer (late June / early July). A balanced feed sustains colour and growth through Ottawa's hottest weeks. We adjust the rate down in drought stretches to avoid burning stressed turf — golf-grade slow-release product makes this easy because it self-meters over 6-8 weeks.
Step 3 — Fall winterizer (late September / October). The most important application. Higher potassium hardens cell walls before winter, deeper roots develop in cool soil, and the lawn stores energy for next spring's early green-up. Lawns that get the fall feed look noticeably better in May.
Add core aeration and overseeding (the Complete package) and you're also relieving compaction, breaking up Ottawa's clay layer, and renewing the turf with fresh seed varieties chosen for our climate.
Common questions
Fertilizer FAQ
Will fertilizer hurt my pets or kids?
We use granular slow-release product. Once watered in (or after a rain), the lawn is safe for pets and children. We recommend keeping off the grass for 24 hours after application — same as a golf course.
Do you spray weed control too?
Ontario regulates lawn pesticide use; we focus on density-based weed control — a thick, well-fed lawn outcompetes most broadleaf weeds. For specific weed pressure (creeping charlie, dandelions), we can recommend a licensed partner applicator.
Do I need to water after each application?
Ideally yes — about 1/2 inch within 48 hours to start the slow-release process. We time visits before forecasted rain whenever possible so nature handles it.
Should I aerate every year?
For Ottawa clay soil, yes — once a year, ideally in fall. The Complete package builds it in. See our core aeration page for details.
Can fertilizer fix bare patches?
Fertilizer alone won't grow grass where there's no seed. The Complete package includes overseeding — fresh seed dropped after aeration so it falls into the holes and germinates with full soil contact.
Ready when you are
Free quote, fast turnaround.
Pick Basic or Complete and we'll send a per-season price within 2 hours. Most Ottawa properties book before mid-May to lock in spring scheduling.