Topic
Garden Care
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Composting Old Ideas: Learning to Garden Differently
What happens when new research challenges what we thought we knew about gardening? In our latest blog post, Jennifer Deeks reflects on outdated garden…
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Invasive Plants
Cathy Kavassalis – July 8, 2026 Preventing the spread of invasive plants begins in your garden. Don’t buy, plant, or share invasive plants, and…
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Canada’s Plant Hardiness Zones Update for 2025: What Gardeners Need to Know
Canada’s Plant Hardiness Zones have been updated for the first time in over a decade! Based on 1991–2020 climate data, most of the country…
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Bringing Plants Indoors,Without Bringing in Problems
Thinking about bringing your houseplants indoors for the winter? It’s the perfect time — but don’t let pests and diseases hitch a ride! In…
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Managing Japanese Beetles in the Garden: An Integrated Pest Management Approach
It’s Japanese Beetle Season! These invasive pests are out in force from July through August. Learn why spraying isn’t the answer, how to protect…
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Time to Re-Think Boxwood – Part 1 Box Tree Moth
Recently in southern Ontario, Boxwood Moth (Cydalima perspectalis) an invasive pest from Asia has infested boxwoods throughout the region causing severe effects, resulting in…
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Invasive Jumping Worms – Information for Home Gardeners
All earthworms in Ontario are non-native and harm the environment. However, invasive Jumping Worms (JWs) cause much more damage & spread much more quickly.…
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Vacillating About Viburnums
Native Viburnum species are beautiful and popular choices for gardeners who wish to attract wildlife to their gardens. Cardinals, Eastern Bluebirds, Robins and Cedar…
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Invasive Alien Species – What Can We Do?
An interview with Catherine Kavassalis by Guest Writer: Rebecca Last-Guenette Member – Ottawa-Carleton Master Gardeners Globalized trade brings us luxuries from around the world.…
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Stabilizing Slopes
Cathy Kavassalis – Halton Master Gardener Homeowners often ask how to stabilize embankments and reduce erosion on slopes. While some situations will require professional…