My furnace is in the attic of my house, a place that is always warm in the coldest weather. During the later winter and early spring, I plant seeds under grow lights there: geraniums, petunias, castor beans, calla lilies, bananas, dahlias. The warmth of the lights and the air helps them to sprout, and the spring green of their leaves always makes me feel good. Last year when I did my attic gardening, I found a stink bug crawling around on the table where I do my planting. I had heard very bad