Ground covers, Perennials
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; they appear in summer.Lysimachia nummularia
Native to Europe; naturalized in eastern North America. Grows to 4–8 in. high, spreading 2 ft. or more, rooting as it goes. Forms attractive mat of roundish, light green, 1-in. leaves. Yellow flowers about 1 in. across appear singly in leaf joints. Best use is in corners or containers where it need not be restrained. Will spill from a wall or hanging basket.
Native to eastern North America. Grows to 3 ft. tall and 1 ft. wide, with narrow leaves and strong hor...
Native to eastern North America. To 4 ft. tall, 3 ft. wide, with full clusters of bright blue-violet f...
Native from Vermont to Alabama, west to North Dakota, Wyoming, and New Mexico. This stout-stemmed plan...