Most are vigorous perennials capable of spreading beyond their allotted space, especially if they receive plenty of water. Police them to be sure they don’t invade choicer plantings. Useful for naturalizing at woodland edges or in barely maintained areas. Blossoms are yellow or white; and they appear in summer.Lysimachia punctata
Native to Central Europe, Asia Minor. Grows 3 ft. tall and spreads by underground stems 2 ft. or more. Leaves are 3 in. long. Inch-wide yellow flowers appear in summer.