FIRESPIKEs

FAMILY: Acanthaceae | GENUS: ODONTONEMA

TYPE
  • Evergreen
  • Shrubs
SUN EXPOSURE
  • Full Sun
WATER
  • Regular Water
PLANTING ZONES
  • LS (Lower South) / Zone 8
  • CS (Coastal South) / Zone 9
  • TS (Tropical South) / Zone 10
  • TS (Tropical South) / Zone 11

Plant Details

These Central American natives are some of autumn's showiest plants, especially in the Tropical South, where they appreciate a little afternoon shade. Hummingbirds and butterflies frequent the blossoms. If given moderately fertile, well-drained soil, they need little care. They are very tender to coldstems and leaves blacken with the first touch of frost. However, they often come back from the roots in the Coastal and Tropical South; elsewhere, treat them as annuals or overwinter indoors. Easily propagated from stem cuttings of mature new growth.

purple firespike

odontonema callistachyum

  • Grows as much as 8 feet tall, featuring 10- to 12 inches spikes of purple blooms.

FIRESPIKE

odontonema tubaeforme(Odontonema strictum)

  • Forms a multistemmed mound to 6 feet tall and about half as wide, with shiny, deep green leaves that are oval, pointed, and up to 6 inches long.
  • Stunning, foot-long spikes of small, tubular, fiery red flowers crown the foliage for weeks, beginning in late summer and continuing through the fall.

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