Group of shrubby perennials native to New and Old World tropics and treasured for their flowers. Bloom continuously in warm weather, with long, whiplike spikes bearing clusters of small, showy blossoms that attract butterflies and hummingbirds. Effective in naturalized areas, in mixed herbaceous borders, and when massed. Plants self-sow readily and can be weedy.
- Native to south Florida, where it is widely sold and planted.
- Mounding plant to 12 feet tall and wide, with dull green, coarsely toothed, pointed-oval leaves to 3 inches long.
- Slender flower spikes resembling a rat's tail rise at least a foot above the foliage.
- Blue, 14 inches flowers appear singly or in clusters, starting at bottom of spike and proceeding upward.
- Individual flowers last just a day.
- Best in partial shade.
- Native to South America.
- Shrubby, sprawling growth to 7 feet tall and wide.
- Fuzzy, light green leaves to 4 inches long are oval and pointed.
- Thick flower spikes rise a foot above the foliage, bearing clusters of 12 inches pink flowers that last for several days.
- Coral is very showy, flaunting masses of coral-pink blossoms.
- Full sun.
- Native to Asia.
- Similar to and often confused with Stachytarpheta jamaicensis, but leaves are darker green and noticeably quilted on upper surface.
- Flowers are also slightly smaller and darker blue and have white centers.
- Upright, shrubby growth to 5 feet high, not quite as wide.
- Individual flowers last for only a day.
- Full sun.