Fire Stick / Pencil Cactus (Euphorbia tirucalli) – Bold Succulent PlantThe Fire Stick, also called Pencil Cactus, is a succulent shrub characterized by thin, upright, pencil like stems that branch densely from the base. The stems are smooth and leafless for most of the year, giving the plant a minimalist, coral like appearance. Its color shifts from bright green to vivid shades of yellow, orange, and red, especially when grown in full sun, dry conditions, or cooler temperatures which is why its often sold under the name