Q.Hi What Is The Dwarf Rootstock Used In Lilac Trees
Hi looking at grafting lilac trees but not too sure which dwarf rootstock to use for grafting, am in new zealand cheers

Certified GKH Gardening Expert
Typically, lilacs are grafted using privet or ash. I didn't find one specifically for dwarf lilacs, but you could choose a privet that is the desired size. Here is more:
https://extensionpubs.unl.edu/publication/g1860/2008/html/view
https://www.gardeningknowhow.com/ornamental/shrubs/lilac/dwarf-lilac-varieties.htm
https://extension.oregonstate.edu/news/prune-lilacs-soon-after-bloom
https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=2064&context=extension_curall
https://www.gardeningknowhow.com/ornamental/trees/tgen/grafting-trees-what-is-tree-grafting.htm

