Air Plants Ionantha and Argentea complement each other very well. The Ionantha with its shorter fuller look displays nicely next to the Argentea’s tall slender leaves. It’s a subtle reminder of just how diverse nature can be. This 20 plant set includes: 10 Air Plants Ionantha , 10 Air Plants Argentea, 8 oz. Hinterland Trading Air Plant Fertilizer, and detailed care instructions. Air Plant (Ionantha Ionantha) is one of the most abundant in the Tillandsia family. They grow from Florida to Central and South America in forest canopies. When most people think Air Plant they are picturing the Ionantha . This plant ship between 2 and 3 inches and will grow taller, but not much taller. As the plant comes into bloom the silver green will give way to orange, then red, and a purple flower with a yellow center will emerge. Part of the reason Ionantha are so popular is because each one is a little different and they are all brimming with personality. Air Plant (Argentea) is an example of the great variety that can be found in the Tillandsia family and is an essential for any collection. The bulk of the plant is a small ball structure that grows hair like leaves in a sphere around it. When it blooms these leaves will thicken at the top and eventually form a tube that will extend 3 to 4 inches over the base. This tube structure will produce a flower with a spectacular red bud with blue and yellow flowers. This plant ship between 4 and 5 inches and will double in height as the blooming stalk forms.