Light Requirements: Full Sun. 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. You need to test your soil down at root level to find out how your soil drains. The website below shows some possible fungi, which are fairly easy to ID. If your Sky Pencil is healthy, it should put up new canes from the roots. I purposely bought the Sky Pencil Holly for against my sidewalk entry to my house up against the garage wall. Affected plants have dark brown to black roots where the fungus is growing in or on the root tissue. Evergreens prefer an acidic fertilizer. ‘Sky Pencil’ is a very distinctive, upright or as a low, narrow hedge. Dark green foliage holds its color year round, sporting purple berries in fall. Sky Pencil Holly has dense dark green foliage and a vertical growth habit that can bring vertical interest to your landscape. Hollies with diseased roots appear weak, and branches, sections, or the whole plant can die. Like the 'Hetz' cultivar, 'Sky Pencil' is an Ilex crenata (Japanese holly). The name itself reveals its slender shape. Black root rot, caused by the fungus Thielaviopsis basicola in "Sky Pencil" holly and other Japanese hollies, attacks the root system. About Sky Pencil Holly. Fertilizer: Suggest a well-balance fertilizer like a 10-10-10 or 13-13-13 or even a Holly-toner. Feed with a general purpose fertilizer in spring. Useful to fill those narrow spots in foundation plantings, as a … A healthy plant assumes you have the right plant in the right place. So, if a tree has a spread of 20′, I suppose the root system could be anywhere from 20-40′. Fertilization: Fertilize your Sky Pencil Holly tree once annually with a slow-release fertilizer. The 'Sky Pencil' holly shrubs--foundation planted along a fairly long, western exposure, windowless, brick Garage wall--died. The Sky Pencil Holly needs the maximum water during the first year of its growth due to the vast root system establishment. Applying a slow release fertilizer once a year to the top of the root ball will help greatly with these problems. ). Makes an elegant, bold statement in large containers. The Sky Pencil is an evergreen shrub that has small, glossy, dark green leaves year round. ‘Sky Pencil’ was intro­ duced by the U.S. National Arboretum in 1992. Prefers average to moist, well-drained soil, rich in organic matter. 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. The amount of water they need will depend on the circumstances. Also, like 'Hetz', it bears tiny leaves and black-colored berries. Dark green foliage stays neat year-round, and often sports small purple berries in fall. I love the look and don't entend to have anything but the skypencil against that wall. Habit: Narrow, upright columnar habit. This plant prefers light, moist, acidic soils with good drainage. Fast growing and low maintenance, no wonder the Sky Pencil is so popular. Lack of water is the No. 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. Sky Pencil Japanese Holly Ilex crenata 'Sky Pencil' ... Water deeply and regularly during the first growing season to establish an extensive root system. Evergreen in zones 5-9, this lovely landscape tree is fairly low-maintenance. If your holly is deciduous, this means your cuttings won’t have any leaves on them. Small black fruits follow the tiny white flowers in late summer and fall. Latin Name: Ilex crenata 'Sky Pencil' Plant Type: Evergreen Shrub. This Holly Tree can get up to 10 feet in … 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. Outstanding evergreen plant for vertical accent, entryways or privacy screening. Sky Pencil Holly, native to Japan, is one of the most beautiful trees for small gardens. "...I need to know how much water they need as I will have to provide it." Once you have these canes, you can cut them into pieces about six inches (15 cm.) Poor soil aeration weakens holly roots, allowing fungi to invade and cause considerable damage. In a Container Because this shrub does not have an invasive root system, it can be grown in containers. At maturity it may put on a bit of weight around the middle, but so far has not exceeded 2 feet in diameter. Great for a hedge, specimen, privacy screen, container, entry way accent and Zen/contemporary garden. New growth emerges light green but darkens up with age. Amazon.com : Sky Pencil Japanese Holly - 50 Live Plants - Ilex Crenata - Formal Low Maintenance Evergreen : Garden & Outdoor Sky Pencil hollies are narrow, columnar shrubs that grow up to 8 feet (2.4 m.) tall and 2 feet (.6 m.) wide. 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 … All About 'Sky Pencil' Hollies In 2 Minutes - In this video I go over the basics of 'Sky Pencil' Hollies. Evergreen. Fertilization: Fertilize your Sky Pencil Holly tree once annually with a slow-release fertilizer. Ilex Crenata 'Sky Pencil' is a moderate growing shrub that can be grown in USDA Plant Hardiness Zones 5A through 9B. Planted in a large container, it makes an elegant formal appearance. Grows 6 to 8 ft. tall and 2 to 3 ft. wide. Root rot and other problems can occur with heavy, wet soils. A particular root rot disease known as mushroom root rot can be diagnosed by … How to increase the moisture retention ability of the soil? Deer Resistant Sky Pencil Holly Shrub. Once an evergreen like a Japanese holly drops its leaves, the root system is already dead. However, I’ve also read that the “major” large roots are only about as wide as the crown of the tree. Sky Pencil Holly is a narrow, columnar shrub ideally suited for small areas. It happens once the soil where it is planted retains moisture as this can prevent the penetration and circulation of oxygen. Propagating holly should be done while the bush is dormant. Mine took a beating this winter. This may refer to Pythium, Phytophthora,and Thielaviopsis black rot. 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. A lanky sky pencil holly might just flop over and turn into a splayed out weeping holly. With pruning, you can maintain them at a height of 6 feet (1.8 m.) and a width of just 12 inches (30 cm. This evergreen will tolerate pollution, so it would even make a good addition to an urban landscape. Moisture: Regular water schedule to ensure the growth of a mature root system. Root Rots "Sky Pencil" holly specimens require fast-draining soils that allow oxygen to reach their roots. Consistently wet soils can cause problems with the roots. Read on to find out how to plant a Sky Pencil holly and how easy it is to care for this interesting plant. Holly belongs to the genus Ilex, which includes several commonly cultivated shrubs grown for their dark-green, spiny foliage and showy crimson berries. Prune annually to shape. This form of Japanese Holly only grows to about a metre and a half tall. Also included in the list of the most common sky pencil holly problems is root rot. The plant was discovered in the wild on Mount Daisen, near Honshu, Japan. But the similarities end there. But not sure if it was the winter or the fact that I possible don't have Male/female plants. Outstanding for use as vertical accent, near entryways or as a privacy screen. Sky Pencil Japanese Holly - 60 Live Plants - Ilex Crenata - Formal Low Maintenance Evergreen 3.9 out of 5 stars 10 $154.98 $ 154 . 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. 'Sky Pencil' is a female cultivar which needs a male pollinator in order to produce fruit. 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. ... 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. 1 reason for this - especially for a new transplant planted in summer. in length. Water regularly during the first growing season to establish a deep root system. History & Lore. Holly cuttings are made from canes of new growth that have been removed from the holly bush. 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. Tolerates mild drought, when established. 98 Sky Pencil Japanese Holly - 10 Live Plants - Ilex Crenata - Formal Low Maintenance Evergreen 3.9 out of 5 stars 10 Sky Pencil is a cultivar of the Japanese holly Ilex crenata. This is more likely a result of a mistake during the initial planting. 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 … 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. 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. Pencil Japanese Holly (Ilex crenata 'Fastigiata'): Sometimes we might need a plant with a narrow form that is not a tall tree. A very distinctive holly, Ilex crenata 'Sky Pencil' is a slow growing, narrow, strongly columnar evergreen Japanese Holly with a shiny foliage of convex, dark green leaves, which holds all year. 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. After first year Holly Bushes needs water just at the dry spells. The narrow, columnar form, is just right for small areas. Full sun. Comment About Planting Plant Sky Pencil holly in well-drained soil in full to mostly sun. How to Propagate Holly Shrubs. Done while the bush is dormant, entryways or as a low, narrow hedge brick wall! 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