• Manage Fall Cankerworm Now

    The Ontario Ministry of Food, Agriculture and Rural Affairs (OMAFRA) has issued a memo advising that it's time to start wrapping your trees with sticky bands to capture the adult female moths, which are starting to lay eggs now. For full details on how to combat these pests whose larvae feed on shade trees, see the OMAFRA site here, which includes excellent photos.

  • Now’s the Time to Combat Beech Scale

    The Ontario Ministry of Food and Agriculture (OMAFRA) advises that now is the time to deal with Introduced Beech scale (Cryptococcus fagisugae, since it is easier to see this time of year on native American beech (Fagus grandifolia), since it is easy to see at this time Beech scale is quite often the precursor to Beech Bark Disease (Neonectria faginata and N. ditissima) as the scale insect feeding creates wound sites for the fungal disease to enter. ...

  • Curious About Toronto Tree Bylaws? Free Event September 19

    LEAF (Local Enhancement & Appreciation of Forests) will host a free special presentation and Q&A session with senior members of the City's Urban Forestry Standards & Policies staff at Metro Hall, Monday, September 19, 2016 - 6:30p.m. - 8:30p.m. For more information and to register to attend, visit LEAF's website here.

  • Carry a Bucket; Save a Tree

    The past few weeks of extreme heat coupled with lack of rain is putting urban trees at risk. Do help the trees along streets, in parks and in your own yard by giving them a much needed drink of water. Sugar maples, birch and beech are trees with relatively shallow roots systems and will be among the first to indicate stress from high temperatures and low moisture levels. Newly planted or young trees need as much as 3-4 buckets of water ...

  • Magnola Scale Active Now

    The Ontario Ministry of Food and Agriculture has issued an alert about the high degree of magnolia scale activity this summer. It appears that there are two developmental groups, one about 3 weeks behind the older ones. Insecticidal soap or horticultural oil treatments must be repeated, therefore. For full details, including images see the OMAFRA posting here.

  • Free Gardening Advice at the CNE

    Got a gardening question? Going to the Ex? Master Gardeners will host an Advice Clinic at the CNE daily, from opening day Friday August 19th to CNE close on Monday September 5th. Trained Master Gardeners will be available to answer your gardening questions, free of charge. Be sure to look for us in the Enercare Centre, Heritage Court area near the Garden Show and the Topiary Garden.

  • Garden Alert: Harmful Beetles Active

    Japanese Beetle adults are starting to emerge now, soon to be followed by European Chafer beetles.  Look for these shiny green and copper beetles feeding on grapes, roses and other flowers. Where possible, knock adult beetles into a bucket of soapy water to drown them. The adults will mate and lay eggs that hatch into white, C-shaped, soft-bodied larvae with legs near the head, which feed on grass roots, causing sections of the lawn to die. Skunks ...

  • Wild Parsnip Can Be Dangerous. Learn to Identify It.

    Wild parsnip (Pastinaca sativa) is an invasive weed that has become increasingly troublesome in Ontario and throughout the Toronto area. Master Gardeners urge you to familiarize yourself with this plant which can cause painful, long lasting injury to the skin. Click here to learn more, including how to identify the plant and how to report it.  

  • Toronto Master Gardeners at Spectacular Private Garden Tour, June 11-12

    Toronto Master Gardeners will be stationed in each garden to help identify unusual plants and points of interest during the Toronto Botanical Garden’s tour of 18 private gardens in The Kingsway neighbourhood, Saturday, June 11 and Sunday, June 12, 2016,  11 a.m. to 4 p.m. Enjoy this self-guided tour at your own pace. Complimentary shuttle buses will allow you to hop on and off as you make your way around the garden route. A printed guide and map are ...

  • Plant Sale Season Is Here

    In addition to the annual Toronto Botanical Garden plant sale, being held May 13-15 this year (where Master Gardeners will be on hand to answer your questions, the TBG is the site of some other organizations' sales, such as: Toronto Rhododendron Society Plant Sale - April 30, 2016  http://onrhodos.com/plantsale/ Ontario Rock Garden & Hardy Plant Society Plant Sale  May 1, 2016,  www.onrockgarden.com/page/super-plant-sale But as they say on TV, "Wait, there's more!" Almost every garden club and horticultural society in ...