One of the most consistent sources of stress for new homeowners — and callbacks for builders — is the landscaping timeline. Not because the work is complicated, but because nobody talks about it until the possession date is weeks away.
Here's a practical breakdown of the landscaping timeline for new Edmonton builds, from construction through final grade certificate, so you can set your clients up for success and protect your reputation as a builder.
The Edmonton Landscaping Season
Edmonton's landscaping window runs roughly May through October. Sod installation requires soil temperatures above 10°C and unfrozen ground. Final grading requires workable soil and dry enough conditions to achieve proper compaction. Outside that window, options are limited.
This matters for builders because possession dates in late fall or winter mean the homeowner will have to wait until spring to start landscaping — and their final grade deadline clock is still ticking.
The Full Timeline — Milestone by Milestone
- During Construction
Rough Grade Completed
Your crew shapes the lot for basic drainage prior to possession. The rough grade certificate is submitted to the City and confirms the lot has been graded per the approved drainage plan. This is entirely the builder's responsibility.
- Possession Day
Builder Deposit Clock Starts
The homeowner receives the keys — and the builder deposit timeline begins. Typically the homeowner has two construction seasons (approximately two spring/summer periods) to complete final grading and submit the certificate before the deposit is at risk.
- Weeks 1–4 After Possession
Homeowner Contacts a Landscaping Contractor
The sooner the better — especially if possession falls in spring. May through July books fill fast. Homeowners who wait until summer to call around often can't get on the schedule until September or the following year.
- Weeks 2–6 After Possession
Site Assessment and Quote
A landscaping contractor visits the site, reviews the drainage plan, and provides a quote. Allow 1–2 weeks for this depending on demand and contractor availability.
- Scheduled Work Date
Final Grading and Landscaping Installation
Topsoil is spread and graded to drainage standards, sod or other ground cover is installed, and the lot is prepared for inspection. Typical duration for a standard residential lot: 1–3 days.
- After Installation
Grading Inspection
A certified inspector assesses the finished grade against the approved drainage plan. If it passes, the final grade certificate is issued. If adjustments are required, the landscaping contractor corrects them before re-inspection.
- Certificate Submission
Deposit Released
The certificate is submitted to the City and the homeowner's builder deposit is returned. Timeline from submission to refund varies — budget 4–8 weeks.
Seasonal Scenarios — What to Tell Your Clients
Spring Possession (April – May)
Best case scenario. The homeowner has the full landscaping season ahead of them. They should book a landscaping contractor immediately — May books fill up within weeks. Realistically, with prompt action, final grading can be completed and inspected before the end of June.
Summer Possession (June – August)
Still workable, but booking window tightens. June and July are the busiest months. Homeowners who take 4–6 weeks to start looking will find themselves pushed to late summer or early fall. Fall sod installation (September–October) actually establishes very well in Edmonton's climate, so this isn't a crisis — just requires planning.
Fall Possession (September – October)
Grading is possible in early fall but sod installation starts becoming risky after mid-October. Homeowners with late fall possession will typically need to wait until the following spring. Important to communicate this clearly so they're not caught off guard when snow arrives and nothing has been done.
Winter Possession (November – March)
Landscaping will not happen until the following spring. No exceptions — frozen ground, frost in topsoil, and dormant sod make installation impractical. Homeowners need to be ready to move quickly in April/May of the following year. Encourage them to contact landscapers in March so they're first in queue.
Builder tip: Include a one-page landscaping checklist in your possession package. It doesn't have to be elaborate — just the key steps, the deposit deadline, and a landscaping contractor referral. Homeowners who understand the process don't panic, and they don't call you asking why nothing is happening.
Why Landscaping Gets Delayed — And How to Prevent It
Based on what we see regularly working with new builds across Edmonton:
- Homeowners don't know the deposit is at risk. They assume landscaping is optional or cosmetic. A direct conversation at possession about the deposit timeline changes this.
- Peak season booking crunch. Everyone wants landscaping in June. Contractors book out weeks in advance. Early possession homeowners who wait too long get pushed to fall.
- Rough grade issues discovered on site visit. If the rough grade doesn't match the approved plan, the landscaping contractor has to work around it — sometimes requiring additional fill, regrading, or a call back to the builder.
- No plot plan provided. A landscaping contractor working without the drainage plan is guessing. Make sure your homeowners have this document at possession.