Understanding the Hidden Causes of Coastal Plant Stress on Martha’s Vineyard and Cape Cod Few plants are as closely associated with Martha’s Vineyard and Cape Cod as hydrangeas. Their vibrant blooms line winding roads, frame historic homes, and create some of the most recognizable summer landscapes in coastal New England. When healthy, they provide months of color and become a defining feature of many properties. That is why homeowners often become concerned when their hydran