The Japanese Sky Pencil Holly shrub quite literally makes an exclamation mark in your landscape! Introduced in 1992 by the National Arboretum in Washington, DC.
The ilex Sky Pencil Japanese Holly features a narrow, columnar form, making it an ideal choice for garden design, small areas or specimen plants. Its dark green foliage holds its color year round, and the shrub produces showy purple berries in the fall on female plants. Also produces dainty creamy white flowers in early spring.
The Japanese pencil holly trees grow great for use as a vertical accent plant, near entryways or as a privacy screen or narrow hedge. You can also plant it in a large container for an elegant, formal appearance. The pencil shrub maintains its columnar shape and growth habit without any pruning.
How to Plant Sky Pencil Holly Plants
This holly ilex crenata sky pencil, as it is named botanically, prefers slightly acidic soils that are well drained soil types. Plant will grow best in full sun to partial shade needed to keep the green colored leaves. Grow this plant across the United States in department of agriculture plant hardiness zones 5-9.
Be sure to water well the first year of planting to establish a strong root system. A newly planted holly bush needs at least a gallon of water a week. Sky Pencil plant is a female cultivar which needs a male to cross pollinate in order to produce berries.
This evergreen shrub is a slow to moderate grower. The Japanese Sky Pencil holly growth rate is up to 6-12 inches per year. Because of the vertical nature of this hedge plant, it only gets 2-3 feet wide but can be pruned narrower if preferred. It can reach a mature height of 8-10 feet tall at maturity. Pruning techniques include keeping the sky pencil tree to desired size and shape.
Sky Pencil Holly problems that may arise are root rot, green leaves turning brown or black, web blight, or leaf spot with yellow spots. Applying a slow release fertilizer once a year to the top of the root ball will help greatly with these problems as well as fungal diseases. Good drainage is essential to help with root rot and mulching will help to retain moisture.
We highly recommend keeping soil moist the first year of planting to establish the plant.
We hope you love our Sky Pencil Holly for sale. Easy to grow, easy to maintain and free of pests and diseases… it is the package deal!
Check out other Holly Shrubs.
Ilex crenata 'Sky Pencil'
- Columnar shape
- Vertical interest
- Low maintenance