Sky pencil holly yellow leaves11/12/2023 Sky Pencil Holly Ilex crenata grows well in USDA zones 6 through 9. Watering established plants is only necessary during dry spells. Water in the fertilizer after it has been applied to the root zone. In the spring, use one pound of 10-6-4 or a specific broadleaf evergreen fertilizer per inch (2.5 cm.) of trunk diameter to Sky Pencil hollies. If you want to prune them, wait until the plants are dormant in the winter. They don’t require cutting unless you wish to keep them at a certain height or width. Sky Pencil hollies require very little maintenance once established. You won’t need to fertilize your new holly until the first spring after planting. Water frequently until the plant is established and growing, then apply 2 to 4 inches (5-10 cm.) of organic mulch over the root zone to help keep the soil moist. As you backfill the hole, press down with your foot to remove any air pockets.Īfter planting, water thoroughly and add more fill dirt if the soil settles. If your soil is heavy clay or sand, combine some compost with the fill material. It thrives in any well-drained soil.ĭig the planting hole twice as deep as the root ball and twice as wide. In zones 8 and 9, give shade from the hot midday sun. They can grow in full sun or slight shade. The USDA plant hardiness zones for Sky Pencil hollies are 6 through 9. They seem well-kept even with little trimming, and they can be used in formal gardens alongside beautifully sheared plants. They are useful in areas where the width of bushier plants is restricted. Sky Pencil holly shrubs can be used as a hedge plant in the ground. Because the leaves aren’t spiky like other varieties of holly shrubs, you don’t have to worry about coming into touch with the plant. As a result, you can use them as architectural plants to frame a door or entryway, as well as on decks and patios. Sky Pencil holly shrubs thrive in containers. They are mostly grown for their unique shape. Female plants yield tiny, black berries and produce little, greenish blooms, although neither is very beautiful. With pruning, you may keep them at a height of 6 feet (2 meters) and a width of 12 inches. Sky Pencil hollies are narrow, columnar shrubs that can reach 8 feet (2 meters) in height and 2 feet (61 cm) in width. Continue reading to learn how to grow a Sky Pencil holly and how simple it is to care for this fascinating plant. It’s a cultivar (cultivated variant) of Japanese holly with evergreen leaves that looks more like boxwoods than hollies. It grows no wider than 2 feet (61 cm.) when left to grow naturally, and it can be pruned to just a foot (31 cm.) in width. The thin columnar shape is the first thing you’ll notice. Sky Pencil holly (Ilex crenata ‘Sky Pencil’) is a versatile plant with dozens of uses in the landscape.
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