(Calla palustris) is an ornamental perennial that supports heart shaped leaves that grow to 1 foot high. A showy white floral leaf surrounds a unique golden spadix. Water arum is a popular pond plant that usually prefers to grow in water less than 1 foot deep. Ecologically, arum provides habitat for fish and aquatic invertebrates. Berries of water arum are consumed by a variety of wildlife.