Associated Perss: Cardinals tuck into the dark wall of Norway spruce, finding shelter in the tall trees. Prickly, round seed balls dangle from a slender sycamore like tiny Christmas ornaments. A dawn redwood, native to China and found in fossil records dating back about 150 million years, drops flat rust-colored needles on the deep March snow. When Steve and Jeanne Dirksen moved onto 40 acres outside Clearwater in the early 1970s, the yard was a cornfield and the 20-acre woods held a lot of oaks. "There were two...