The stem, branches and petioles are armed with sharp spines and the leaves are fern-like, Caesalpinia lives up to its name with incredibly showy blossoms of orange red. The flowers are bowl shaped, 2-3" across, with five crinkled petals, and ten prominent stamens that extend way beyond the corolla. The flowers are borne in terminal clusters 8-10" tall throughout most of the year in tropical climates and in late summer and fall where frosts occur.
Caesalpinia is believed to be native to the West Indies and tropical America.
Caesalpinia is very easy to grow in alkaline to acidic, well-drained soils. And is a fast growing, in Full sun to partial shade. Full sun, drought tolerant.
Caesalpinia dies to the ground following frost or freezing temperatures, but in zone 8B, at least, it comes back reliable, albeit late, in middle spring. It has survived temperatures as low as 18 F and can be grown as an annual in colder climates.