Walnut vs Tree of Heaven vs. Sumac Backyard Identification - June 2020
That's a look *up* from the ground through a young, skinny tree limb as well as a larger, more mature (and confirmed) Black Walnut tree. The leaves, from a distance look similar. Back last year, I mentioned that I wanted to try to identify if a couple of young trees were worth keeping or if I should remove them. And, knowing that I wanted to hold myself accountable, I included it as #15 on my to-do list for the yard this year . After poking around on the web in various places , I think I've settled on this clear cut detail that I found on r/WhatIsThisPlant on Reddit : Walnut tree leaves have no notches. Tree of Heaven (an invasive tree), do. From u/blacksheep998 : Ailanthus has a small notch at the base of it's leaflets. Black walnut leaflets, while slightly toothed, lacked that distinctive nub. So, that's first thing to check: Does the little tree leaves have those 'thumbs' or notches? *Looks closer*... Sure, enough....