The state of Washington’s nickname is the Evergreen State. Many people think it rains here all the time. That’s not really true. We don’t have a lot of heavy rains, but many gray days with a light rain. Summers, however, can be quite beautiful and warm. In fact this is a perfect climate to grow many wonderful plants, and gardening is a popular activity in the Puget Sound region. Garden enthusiasts can find a number of gardens in the Seattle…