Pineapple guava (Acca sellowiana) adds landscape interest with its gray-green leaves and waxy, pink-and-white flowers, and produces an egg-size, edible fruit that tastes like a guava. Grow this small tree, which reaches 8-12 feet tall and wide, in full sun. It is easy to grow, tolerates seacoast salt exposure, and stays evergreen. Many types of…