Plant Focus: Prunus Greenwood Plants Smart Drip Irrigation System LetPot BAOBAB Old baobab tree in Mozambique. These trees store water in a hollow inside the trunk (sometimes broken open by thirsty elephants). They can get very old, even over a thousand years. PHILODENDRON VARIETIES A COLLECTION I absolutely adore Philodendrons. They are fairly low maintenance most of the time, and there are just so many gorgeous varieties out there. #philodendronvarieties I'M