Holly belongs to the genus Ilex, which includes several commonly cultivated shrubs grown for their dark-green, spiny foliage and showy crimson berries. The narrow, columnar form, is just right for small areas. Fertilization: Fertilize your Sky Pencil Holly tree once annually with a slow-release fertilizer. Poor soil aeration weakens holly roots, allowing fungi to invade and cause considerable damage. Affected plants have dark brown to black roots where the fungus is growing in or on the root tissue. Feed with a general purpose fertilizer in spring. Sky Pencil Japanese Holly - 60 Live Plants - Ilex Crenata - Formal Low Maintenance Evergreen 3.9 out of 5 stars 10 $154.98 $ 154 . The cultivar name of this plant gives a good indication of its signature feature—this is a bush that is extremely narrow relative to its height. This is more likely a result of a mistake during the initial planting. At maturity it may put on a bit of weight around the middle, but so far has not exceeded 2 feet in diameter. Note that the Sky Pencil Holly grows slowly during the first few years, so if you are thinking of using them as a privacy screen, you will see the benefits in the years to come. Prefers average to moist, well-drained soil, rich in organic matter. It matures to an average height of 6 feet to 10 feet and an average width of 1 foot to 2 feet, depending on climate and other environmental factors. The name itself reveals its slender shape. Makes an elegant, bold statement in large containers. With pruning, you can maintain them at a height of 6 feet (1.8 m.) and a width of just 12 inches (30 cm. Lack of water is the No. Moisture: Regular water schedule to ensure the growth of a mature root system. The Sky Pencil is an evergreen shrub that has small, glossy, dark green leaves year round. New growth emerges light green but darkens up with age. Water regularly during the first growing season to establish a deep root system. The Sky Pencil Holly needs the maximum water during the first year of its growth due to the vast root system establishment. Sky Pencil Holly, native to Japan, is one of the most beautiful trees for small gardens. You need to test your soil down at root level to find out how your soil drains. Light Requirements: Full Sun. Dark green foliage holds its color year round, sporting purple berries in fall. ... they have not had enough time to establish a large enough root system and shallow, frequent waterings only tease them and place the plants under further stress. Ilex Crenata 'Sky Pencil' is a moderate growing shrub that can be grown in USDA Plant Hardiness Zones 5A through 9B. Ilex crenata 'Sky Pencil' is an 8- to 10-foot tall evergreen holly that grows like a narrow exclamation mark only 12 to 18 inches across. ‘Sky Pencil’ was intro­ duced by the U.S. National Arboretum in 1992. In a Container Because this shrub does not have an invasive root system, it can be grown in containers. 'Sky Pencil' is a female cultivar which needs a male pollinator in order to produce fruit. Sky Pencil Japanese Holly - Unique and with a style all its own, Ilex crenata, commonly known as Japanese holly or box-leaved holly, is a dense, multi-branched, evergreen shrub with a rounded form that typically matures to 5-10’ tall and wide with dozens of uses in the landscape. "...I need to know how much water they need as I will have to provide it." Weed Control: If weeds begin to invade the planting area around your Sky Pencil Holly, simply remove them making sure to take out the entire root system of the weed if possible; otherwise, use a … Once an evergreen like a Japanese holly drops its leaves, the root system is already dead. Weed Control: If weeds begin to invade the planting area around your Sky Pencil Holly, simply remove them making sure to take out the entire root system of the weed if possible; otherwise, use a … Applying a slow release fertilizer once a year to the top of the root ball will help greatly with these problems. Prune annually to shape. But not sure if it was the winter or the fact that I possible don't have Male/female plants. How to Propagate Holly Shrubs. However, I’ve also read that the “major” large roots are only about as wide as the crown of the tree. 98 Sky Pencil Japanese Holly - 10 Live Plants - Ilex Crenata - Formal Low Maintenance Evergreen 3.9 out of 5 stars 10 How to increase the moisture retention ability of the soil? If your Sky Pencil is healthy, it should put up new canes from the roots. Deer Resistant Sky Pencil Holly Shrub. Feed in early spring and fall.Uses: To fill small places in a sunny landscape area, dense narrow hedge, decorative accent, container and privacy screen. Sky Pencil Japanese Holly Ilex crenata 'Sky Pencil' ... Water deeply and regularly during the first growing season to establish an extensive root system. Sky Pencil hollies are narrow, columnar shrubs that grow up to 8 feet (2.4 m.) tall and 2 feet (.6 m.) wide. Sky Pencil is a cultivar of the Japanese holly Ilex crenata. Tolerates mild drought, when established. It is extremely narrow and can grow 8-10 feet tall with only a 2-foot width, but it can also be kept shorter through pruning and shaping. The amount of water they need will depend on the circumstances. Evergreen. Sky Pencil Holly: 5-9: ... A general rule of thumb is that the total root system will be around 2x wider than the crown of a particular tree. 1 reason for this - especially for a new transplant planted in summer. Outstanding evergreen plant for vertical accent, entryways or privacy screening. Sky Pencil Holly problems that may arise include black rot, green leaves turning brown or black, web blight, or leaf spots that turn into yellow spots. Pencil Japanese Holly (Ilex crenata 'Fastigiata'): Sometimes we might need a plant with a narrow form that is not a tall tree. This Japanese holly “sky pencil” plant arrived in great condition (see picture), and the plant was nicely placed in its container with plenty of soil. Fertilizer: Suggest a well-balance fertilizer like a 10-10-10 or 13-13-13 or even a Holly-toner. ). Comment About Planting Plant Sky Pencil holly in well-drained soil in full to mostly sun. Once you have these canes, you can cut them into pieces about six inches (15 cm.) History & Lore. Also, like 'Hetz', it bears tiny leaves and black-colored berries. Holly cuttings are made from canes of new growth that have been removed from the holly bush. Evergreen in zones 5-9, this lovely landscape tree is fairly low-maintenance. Fast growing and low maintenance, no wonder the Sky Pencil is so popular. The website below shows some possible fungi, which are fairly easy to ID. Sky Pencil Holly is a narrow, columnar shrub ideally suited for small areas. Dark green foliage stays neat year-round, and often sports small purple berries in fall. Useful to fill those narrow spots in foundation plantings, as a … Also included in the list of the most common sky pencil holly problems is root rot. But the similarities end there. Mine took a beating this winter. Sky Pencil Holly has dense dark green foliage and a vertical growth habit that can bring vertical interest to your landscape. This plant prefers light, moist, acidic soils with good drainage. This evergreen will tolerate pollution, so it would even make a good addition to an urban landscape. Outstanding for use as vertical accent, near entryways or as a privacy screen. I purposely bought the Sky Pencil Holly for against my sidewalk entry to my house up against the garage wall. Propagating holly should be done while the bush is dormant. About Sky Pencil Holly. Consistently wet soils can cause problems with the roots. It happens once the soil where it is planted retains moisture as this can prevent the penetration and circulation of oxygen. This form of Japanese Holly only grows to about a metre and a half tall. Fertilization: Fertilize your Sky Pencil Holly tree once annually with a slow-release fertilizer. Planted in a large container, it makes an elegant formal appearance. The 'Sky Pencil' holly shrubs--foundation planted along a fairly long, western exposure, windowless, brick Garage wall--died. Sky Pencil Holly was first introduced back in 1985 by the U.S. National Arboretum, and has increased in popularity in the landscape industry with each passing year. 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