noted for its eccentric appearance, velvet leaf kalanchoe also known as felt bush is a bushy, often tree-like perennial succulent, with velvety triangular to lance-shaped, broad green leaves that turn ruby- red in winter. the leaves are thick and heavy with irregularly lobed margins.grown in a slightly shaded position, the leaves will be green with red edging. in full sun or cold weather the leaves turn an unusual dark wine red.