Did you completely forget about Mother's Day? That's OK; you still have 24 hours, and 24 hours is more than enough time to make Mom something that if she does not love, she might very well not be a human being: chocolate-dipped fruit with fancy salt. (Click here for instructions.)
Another easy DIY: pick up some mason jars and a few herbs, and make her a gorgeous windowsill garden (either hanging or not) of her very own. (Click here for instructions.)