Fact sheet: Firespike by kathywarner Posted: June 3, 2017 Firespike is an herbaceous perennial growing to about 4 feet tall with an upright habit which has naturalized in Florida (Fig. 1). The shiny, dark green leaves of this plant have entire to undulate… Read More Category: Florida-Friendly Landscaping, Home Landscapes Tags: firespike, Odontonema strictum, plant sale