by Larry Hodgson October 27, 2018 1 Gardening Grafting Plant diseases Pruning Trees Wart-like Growths on a Willow Grown galls on a grafted willow (Salix purpurea ‘Gracilis’). Source: Danielle Dion-Desbois Question: I have a top-grafted Arctic willow with wart-like growthsContinue Reading Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Like this:Like Loading...