https://www.veseys.com/ca/canada-hardiness-zones-frost-dates
looks like we are in Zone 5b in in Leeds Grenville
Located between Kingston and Ottawa , these are our last frost and first frost dates
| Kingston | April 21-30 | October 1-10 |
| London | May 1-10 | October 1-10 |
| Ottawa | May 1-10 | October 1-10 |
