One Variety of Milkweed May Harm Monarch Butterflies

Planting a bright orange milkweed in your garden? Make sure it’s not tropical milkweed. Asclepias curassavica has many common names including tropical milkweed, bloodflower, Mexican butterfly weed and wild ipecacuanha. It does not winter over in Ontario but has been…

Gypsy Moths and Other Pests Active

Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) has posted a notice about Gypsy Moths reaching a new stage in their life cycle, making them no longer susceptible to control using the biocontrol Bacillus thuringiensis. Now that the larvae…

Watch Out for Black Knot

Before your Prunus sp. shrubs and trees are fully leafed out, you can easily see if there are any Black Knot infections. Monitor gardens and adjacent wild areas for large black growths on previous years twigs. Prune the cankers out,…

Spring Has Sprung and So Have the Pests

The Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) has issued a notice of the emergence of various pest insects. Specifically, now is the time to check for Cooley spruce gall and Eastern spruce gall adelgid overwintering females; gypsy…

Want to Be a Master Gardener? Entrance Exam September 25!

Passionate about gardening? Passionate about volunteering? Toronto Master Gardeners might be just the group for you. The first step in the annual recruitment process is a no-charge entrance exam to assess your basic gardening knowledge. The only test date this…

Master Gardeners On Stage at Canada Blooms

Toronto Master Gardeners and their peers from across the province will be speaking on a wide range of gardening subjects at Canada’s largest flower and garden show, Canada Blooms, in the Direct Energy Building at Exhibition Place, Toronto. The Master…