Probably too vague. Go to your plant list, check the general "Want" box to bring up the list of plants you want. Open the plant, go to where it says "in your list" and click on that. Then you will see a place to check off the categories you have designated and can check the "Want List" category there.
There is probably a less round-about way to do it, but I am used to that so that's what I do.
