Drain and rinse all the beans in a colander. Set aside and allow to fully dry.
Grate the garlic on a rasp over a large bowl. Whisk in the honey, Dijon, vinegar, olive oil, zaatar, salt, pepper, lemon juice, 1 tablespoon mint, 1 tablespoon parsley and 1 tablespoon tarragon. Add the celery, diced onion and the beans, then 1 more tablespoon of each herb, and toss to coat. Garnish with the remaining tablespoon of each herb. Serve immediately or store in the fridge until ready to serve, for up to 3 days.
You can use any combination of beans you have on hand.