Native cool season shrub growing from 3 to 15 feet tall. Thorny branches produce many greenish-yellow flowers from March to June. The fragrant flowers are a source of honey; attracts bees and butterflies. A soft wood shrub with gray to ashy bark that can appear black with age or when wet. Resprouts vigorously from seeds when excessive moisture is available, however, it’s most common in dry and well-drained soils; drought tolerant. Grows well in partial sun to full sun.