Possibility Place Nursery's founder Connor Shaw walks around the property with his dog, Remy. Shaw is semiretired but still comes out to connect with their customers. Antonio Perez/Chicago Tribune/TNS
With its branches poking out of a drawstring bag, a potted plum tree accompanied Tristan Shaw to a recent nonprofit luncheon. For the last three years, he has carried a sapling for “emotional support” out to dinner, family parties and even canoeing and camping.