If you looked at Trillium Brewing Company from a distance, you might think they have more than enough to keep them busy.
One of the state’s most sought after breweries just opened an expanded beer garden on the Rose Kennedy Greenway, one year after launching the project. The beer garden is just half a mile from where Trillium is building an 18,000-square-foot restaurant and retail space in Fort Point. The brewery is still churning out new styles and beers at its Canton location, catering to crowds…