2021 Update:

Gardening Guides are currently undergoing content updates. They will be re-posted as they are updated.

Please note that results of 'Find It Here' searches may contain links to Gardening Guides that may still be undergoing updates. Affected links will be inactive until the updated guide has been re-posted.

We appreciate your patience.


Gardening Guides are produced by the Toronto Master Gardeners to provide introductory information on a broad range of horticultural topics, including controlling pests and diseases.

To view a Gardening Guide, click on the category that interests you.

To find out if there is a Guide on a particular topic, just enter a key word about it in the Find It Here box (below the Gardening Guides menu). The results will also reveal any other related items on the website.

After reading a Guide, if you have specific questions about the topic, you can reach us at our gardening advice line at 416-397-1345 or post your question on this web site on the Ask a Master Gardener page.