Dancers in the garden, aspens are popular choices for fast-growing windbreaks, screens, and mass plantings. Their oval leaves flutter in the slightest breeze. These extremely cold-hardy trees can gain almost 5 feet in height per year. Avoid problems with their invasive roots and suckering by selecting species and varieties that won't run rampant. Enjoy the best fall color with the quaking aspen. The trees have a preference for moist, well-drained soil but they adapt to almost any soil.