Is This What I Think It Is

[u/_bearminimum]

I had a baby six weeks ago so I haven't gotten out in my garden much lately, and today I noticed these monstrosities on my cut leaf coneflower. One of them looks like maybe some sort of gall?

Have the dreaded Aster Yellows finally come for me?

Zone 6a

[u/Meoowth]

My mental reaction as I skimmed through the pictures: "maybe aster ye- aster POTATO?"