This lemon-yellow form of the species Veltheimia bracteata with just a hint of pink flowers in midwinter, surrounded by light green foliage. Yellow Form forest lily (Veltheimia bracteata 'Yellow Form') is favorite nectar source of sunbirds in Africa and hummingbirds in USDA Zones 9 and warmer in North America. The plant adapts easily to growing indoors in the Chicago area if planted in well-drained soils and given the brightest possible midwinter sunlight.