Elephant Ear Potting Soil Mix 8 Qt, Colocasia and Alocasia Potted Plant Blend Areca Palm How do coconuts grow? From a simple seed to a tall palm. The colocasia bulb grows to be quite a stunner! Elephant ears, aka colocasias are great seasonal plants. You can plant them outdoors in the ground or in a pot like Im doing. Since Im in Indiana Lego Bonsai Tree Set: Cherry Blossoms and Seasonal Decor Air Purifying Plant Package 5 Sq ft Moss, 5 Black Eyed Susan and 5 Giant Ostrich Ferns