Our acreage is full of Black Walnuts and I disagree with most of the 'list' of things that won't grow around them. Orange Butterfly Weed definitely will. My advice is to try anything and see if it survives. The only thing I had problems with was Lamium. I have since planted it in a large garden where there are no Black Walnuts, but recently mulched with wood chips. Since the mulch comes from our area, I'm sure it is mostly BW mulch. I will wait until the spring to see if there is a die-back. Hope not -- I love all the Lamiums!

I think this was answered in your other post. Jan

I haven't tried those under a walnut, but I know from experience that Chamaecyparis, Cryptomeria, Cornus florida, C. kousa, Clerodendron bungei, Choisya ternata, & Eleagnus pungens will thrive in part shade under a black walnut.

Maureen, I would recommend contacting your extension agent or local forester for more information on who you might contact for potential removal/purchasing. Trees grown in yard or farmstead settings - unless carefully managed - will likely not attract a great deal of attention from timber buyers due to potential for old nails, wire, etc that may exist under in the tree. I'm in west central WI and had 4 20"+ Black Walnuts we needed to remove last year and we couldn't give away the trees (the trees were farmstead trees/woodland bordering trees). A local timber buyer had zero interest - even in just giving them away - nor did anyone want them for wood burning. We did end up giving some chunks of the logs away to friends though who wanted some for woodworking. While I like Black Walnuts in general, I do not like them in a yard setting as a selection of other plants are not tolerant of the junglone (basically a natural herbicide of the BW) produced from the seeds, roots, and leaves. Good luck!