The firestick plant (Euphorbia tirucalli) is a colorful tropical succulent. Its green stems turn yellow in summer, then turn fiery shades of orange, pink, and red in winter. The more sun the plant ...

that you build the lower plants around. In a large design, it could be a Japanese maple; in a container garden, it might be the spiky dracaena or upright euphorbia that goes in the center of the pot.