Castle Keep® Blue Holly offers timeless evergreen elegance with a fresh twist—soft-to-the-touch, deep green foliage that maintains a lush, polished appearance all year long. A female variety, it produces bright red berries when paired with a nearby male pollinator like Castle Wall®, bringing vibrant winter color and valuable food for birds. Its semi-dwarf, rounded habit makes Castle Keep® a versatile addition to the landscape, ideal for use as a hedge, screen, foundation plant, or even a striking specimen. The rich berries also add a festive touch to cut flower arrangements and seasonal décor. With its refined form, year-round interest, and wildlife-friendly appeal, Castle Keep® Blue Holly is a smart and stylish choice for modern landscapes. 3-5 feet tall and 3-4 feet wide at maturity Hardy in zones 5-8, be sure to check your USDA zone to ensure success Plant in part to full sun (4+ hours daily) Space plants 3-4 feet apart for best results Produces white flowers in the spring and red berries in the fall if a male pollinator is present Maintains soft to the touch deep green foliage year-round Blooms on old wood Attracts birds Great for borders, containers, cut flowers, hedges, edges, landscapes or mass planting Fall and winter interest Care: Fertilize with Proven Winners Continuous Release Plant Food in spring and mid summer. It’s best to avoid pruning, as flowers grow from old wood. If you need to do a few maintenance cuts, you can do so in the late winter or early spring. Pollination: This is a female variety. Plant one male for every seven females, and be sure to position them within 50 feet of each other so they can get good cross-pollination. Shipping Info: Enjoy free shipping on orders over $175 Size at shipping varies by season, plant, and trimming schedules Quart shrubs are 5-8" tall at shipment 1-Gallon shrubs are 6-24" tall at shipment Shrubs ship dormant November through April Read our guide to get started with planning a garden
