You probably wouldn't need charts if your husband was better and more understanding about how someone with ADHD processes the way they need to get things done.
Treating someone like a child (chore charts, scolding them when they don't do what you wanted) typically makes someone want to do the requested task less, ADHD or not.
Ask him to try giving you small, specific tasks, not big or vague ones like "clean the pool/deck". Try asking him to be specific like Day 1: Check the chemicals, Day 2: Sweep the pool, etc. But have him only tell you what needs to be done one day a time, and ask him not to tell you about any that need to be done after that one task.
I'd actually think a chart would make things worse for someone with ADHD. A large part of the reason people with ADHD act the way they do is because they take in everything at once: like tasks on a chart. If it's Monday, they can't ignore what's on the chart for Tuesday - Friday like others can, and they become overwhelmed and end up doing none of it.
You should try it with him because it works for us - as a couple, just paying attention to one small thing at a time, instead of everything that needs to happen in the future or in general, and letting the person who's able to process tasks one at a time (non ADHD) privately oversee that all those smaller tasks are accomplishing the bigger picture/goal.