Why Treat Your Cedars (Thuja) with Dormant Oil – and When to Do the Treatment ? 🌿

Cedar hedges (thuja) are a popular landscaping choice across Québec, valued for their beauty, privacy, and durability. But to maintain their lush green appearance and long-term vigor, proper care is essential.

One of the most effective and affordable care solutions is a dormant oil treatment.

🛡️ Key benefits include:

✅ Elimination of eggs and larvae from aphids, spider mites, scale insects, and more✅ Lower risk of fungal diseases✅ Protection of young shoots as they begin to emerge✅ Preservation of rich green color and hedge density✅ Eco-friendly solution – safe for the environment, pets, and people

Though subtle in appearance, it’s incredibly effective at stopping invisible threats before they spread.

🕒 When Should You Apply Dormant Oil on Cedars?

The best time is late winter to early spring, just before the buds begin to open.

📅 Recommended application window:

• Late March to mid-April in most parts of Québec

• When daytime temperatures are above 4–5°C, with no frost expected

• On a dry, calm day with no rain forecast within 24 hours

💡 Avoid applying the oil after bud break or during wet or windy conditions.

🌱 In Summary:

Dormant oil is a natural shield against harmful pests and a powerful ally in keeping your cedar hedges vibrant and healthy for the long term.It’s a small investment that brings big results throughout the growing season.

📍 Need Professional Treatment?

We offer a home service tour to treat your cedar hedges with dormant oil.

🔹 Book your appointment today – spots are limited!📞 Contact us for a free on-site quote.

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