Populations were historically found in washes of the San Fernando Valley, near the Tujunga wash (near the neighborhood of Garnsey). It was described in the 1910 Bulletin of the New York Botanical Garden as:"A rare species apparently confined to the San Fernando Valley, where it occurs sparingly on the sandy slopes along the eastern edge of the valley. Upper Sonoran.
Water:
Originating from arid regions, nevin's barberry thrives in minimal moisture with high drought tolerance. It requires watering every 2-3 weeks and benefits from well-draining soil that mimics its native habitat's drainage properties, making it suitable for xeric landscapes.
Fertilize:
For nevin's barberry, use balanced fertilizers in spring, transitioning to high-nitrogen during vegetative growth. Fertilize every 2-3 months in active growth, with reduced application in fall and none in winter. Apply according to package instructions and water soil before and after to prevent root burn.
Pruning:
Nevin's barberry thrives with pruning between early and late winter. Remove dead branches and thin dense areas for better airflow. Avoid heavy pruning for shape maintenance. Pruning before new growth ensures robust health and vibrant blooms, while also preventing pest infestations.
Propagation:
Nevin's barberry is a rare evergreen shrub native to Southern California, known for its yellow flowers and red berries. Propagate by taking healthy cuttings with sanitized tools, keeping the soil moist, and using rooting hormones to improve success rates.
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