One of the only sweet corns that can be grown in containers, the 3-foot-tall plants of this variety bear 3-6 ears. Peak time for eating is when kernels are just turning blue, but can be eaten when white or steel blue. This variety is from dutch seedsman and seed savers exchange member kees sahin. Container gardeners are a creative lot, but one plant that stymies many of them is sweet corn. This silver jade plant also known as blue bird jade and silver dollar plant is not a crassula ovata. It is a light blue and with sun all day, each leaf becomes edged with red. They have a very thin layer of a powder covering that comes off when wiped or touched. Strongylodon macrobotrys, commonly known as jade vine, emerald vine or turquoise jade vine, is a species of leguminous perennial liana (woody vine), a native of the tropical forests of the philippines, with stems that can reach up to 18 m in length. A member of the fabaceae (the pea and bean family), it is closely related to beans such as kidney bean and runner bean.