Zones: 9 to 11 (Woodlanders 8 to 10)
Size: To 36" tall and wide
Exposure: Sun, Filtered Sun, Part Shade
Tubular red flowers in clusters in summer, to 2' tall. Small, linear leaves.
Houstonia with oval, smooth leaves, growing mostly by threes; stem weak, rather shrubby; flowers terminate the branches, and are scarlet. (Bot. Repos. - Houstonia coccinea.)
Full sun and well-drained soil.
Published in Linnaea 26: 98 in 1854.
Basionym Ixora ternifolia Cav.
Synonym Houstonia coccinea Andrews.
Native to Mexico, Arizona and Texas.
I purchased a 1-gallon plant from Woodlanders in summer 2014 and planted it in the Screen Porch Garden.