- The Brazilian firecracker is easy to grow and will tolerate almost any well-draining soil, from sand to peat. It is hardy in Zones 9B through 12, where it can be planted outdoors year-round. In other zones, it can only be grown in greenhouses or in homes, placed by a sunny window. The Brazilian firecracker does best in full sun. Planted outdoors, it can grow to 5 feet tall and spread to 12 feet wide. When planted in a hanging basket, the Brazilian firecracker will spill out and cascade down as far as 4 feet.
The Brazilian firecracker needs regular watering. The soil should be allowed to partially dry out between waterings. Once established, it is fairly drought tolerant. It is considered an aggressive plant, and if planted in the ground, may overrun nearby plants.
With enough sun, the Brazilian firecracker will bloom almost continually throughout the year. To maintain the quality of the flowers, fertilize every two weeks while the plant is in bloom. The Brazilian firecracker needs a water-soluble, balanced fertilizer.
The Brazilian firecracker does not need pruning to sustain healthy plant growth. However, pruning may be utilized to control unwanted spread. There are no special requirements for pruning the plant---simply cut away any unwanted growth. - The Brazilian firecracker can be propagated by division or stem cutting. To propagate by division, separate a section of the plant, including roots, and plant in a moist soil medium until new growth is established. Stem cuttings should be done in the spring. Cut side shoots when they are at least 3 inches long, and insert them into a pot of moist sand. Place the pot over a low heat source, such as a heating pad. When the stem cutting becomes established and shows new growth, move the pot from the heat source and place it in the sun.
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