Foolproof Plants for Your Summer Garden StyleBlueprint Rhododendron strigillosum is a rhododendron species native to Sichuan and Yunnan in China, where it grows at altitudes of 16003800 meters. It is a sh Stock Photo Alamy When seedlings first sprout, the smooth round leaves you see are called cotyledons. These seed leaves are simple in shape and provide the plant with its first stored nutrients. The next set Rhododendron 'Geisha Orange' Shoot