Euphorbia tirucalli Firesticks is an attractive, unusual succulent that eventually produces thick, tree-like branches with smooth, stick-like leaves that are made of flesh. In regions with good lighting, the colour of the leaves will be more crimson than green. wonderful decorative element for a container. grows roughly 1 m wide by 1.5 m tall. prefers sandy-loam soil with good drainage on a sunny position. Because sap can irritate skin and hands and tools will need to be washed after pruning, use gloves, safety glasses, and arm protection.