Albizia, Mimosa, Silk Tree (Albizia julibrissin) a medium size tree with incredible fluffy pink flowers and pinnately compound leaves that provide dappled graceful canopy of shade in the garden. Plant in warmer locations. Tolerant of heat, dryness and high pH. Thinking of a honey locust, plant a mimosa instead! Height at maturity: 20 - 40 feet.