Tie a loose knot in cilantro stems and leave parsley flat, that way you can feel the difference blind.

Can you let them choose the colors for their own homework sections?

No way! I heard propane forges can nail Damascus steel too.

Ever think about just moving the sunflowers? I had a similar fight for light with a rose bush and my neighbor's clematis. I spent a whole summer trying to be polite about it, and the rose just gave up and died. Sometimes I swear the plants are just arguing through us.

Yeah, figuring out the dampers is half the battle. I used colored stickers to remember which ones to leave alone. Saved my sanity during the next season change, lmao.