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 |
Comments
https://www.thespruce.com/what-is-elderberry-herb-1762285
https://mylittlegreengarden.com/grow-elderberry/
https://docs.google.com/document/u/0/d/1XhmjZfPO9LCd1M70hvezkYw4DpT...
https://www.fergusontreenursery.ca/black-elderberry-2-gallon-p-blac...
https://www.elderberrygrove.ca/products/buy-4-elderberry-cuttings?v...
https://gardenerspath.com/plants/fruit/propagate-elderberry/
https://www.veseys.com/ca/canada-hardiness-zones-frost-dates