See general notes for Nandina domestica, Heavenly Bamboo. Firepower does not fruit or flower.
This dense, low-growing cultivar from New Zealand is usually tinged with orange or red, but becomes an intense red mound in the fall and winter. Prefers moist, fertile, well-drained soils. Grows to about 18” high.
The best time to prune is in late winter, just before new growth begins.