Firepower Nandina is a very compact bush, only 2 feet wide by 2 feet tall at maturity. It grows well in either direct or partial sunlight, but its colors will be noticeably brighter with the greater amount of sun. The soil requirements for this bush are a reasonably rich, humus, acid soil, with a pH Range: 3.7 to 6.4 . Preferably the soil should be kept moist at all times, but Nandinas will survive a drought quite well. Once established, this is one of the toughest plants, adapting itself to a wide variety of conditions.