When to prune a mature cedar hedge?
- Céline Simard
- 23 juin
- 2 min de lecture
Cedar (thuja) hedges are among the most popular choices in Quebec for privacy, property boundaries, and landscape appeal. But to keep them healthy, green, and
dense, trimming at the right time is essential.
When to prune a mature cedar hedge?
Best Time to Trim a Mature Cedar Hedge
➡️ Late June to mid-September is the ideal window, right after the spring growth spurt.Here’s why this timing works best:
🌱 New shoots are fully developed (soft but mature)
✂️ Trimming now promotes thick, healthy growth with minimal stress
🌞 Warm weather and sunlight aid natural healing
🍁 The hedge has time to recover and harden off before winter
✂️ How Often Should You Trim?
Once a year is enough for most established hedges
Twice a year (June and August) for formal or high-maintenance hedges
Don’t wait several years—this leads to thinning and harder recovery
🛠️ Trimming Tips for Better Results
✅ Never cut into old brown wood — cedar won’t regrow from it
✅ Always trim narrower at the top than at the base to let sunlight reach lower branches
✅ Use sharp hedge trimmers for clean cuts
✅ Collect clippings to avoid suffocating the base
✅ Water after trimming if the soil is dry to support recovery
⚠️ Be cautious when trimming at height: to work safely on soft or uneven ground, three-leg orchard ladders are the ideal choice.
💡 Good to Know
Regular trimming encourages lateral growth, making the hedge fuller and more wind-resistant
A well-maintained hedge is denser, healthier, and better-looking year after year
📌 In summary:
Trim between late June and early September. Avoid harsh cuts into old woodMaintain it yearly for the best results
Need help with your cedar hedge?🌿 Our professional trimming service is fast, safe, and competitively priced.📞 Contact us today for a free quote!
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