Lonely Tomatillo

Here's an attractive plant from our backyard garden this year. It's especially popular in Mexico and Mexican cooking and is called a Tomatillo (Physalis philadelphica). Ours grew into a large healthy plant and bloomed profusely but inside those lovely lantern-like pods there are very few fruit. Now I discover from Wikipedia that the tomatillo is very "self-incompatible", meaning that it doesn't like to pollinate itself so there should be at least two plants for it to set fruit properly.