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Our two Blue Holly selections offer maximum appeal in a compact shrub. Both the Castle Spire™ and Castle Wall™ Blue Holly are evergreens with deep, waxy green foliage. The Castle Spire™ Blue Holly offers the popular clusters of bright red berries, reaching a mature height of between 8 and 10 feet. The Castle Wall™ Blue Holly is the male pollinator, reaching a height of 5 to 8 feet at maturity. It will not produce berries, but is necessary to help create the beautiful berries on Castle Spire.™
The Blue Holly is a fast grower that is native to swampy areas, so it is a first class choice for landscapes in zones 5 – 7 with boggy, consistently wet soil.