Species Japanese holly
dense and compact foliage with glossy, green leaves

Japanese holly

Ilex crenata 'Sky Pencil'

Japanese holly (Ilex crenata 'Sky Pencil') is a barely-there pyramidal evergreen. This slow-growing shrub can reach up to 8 ft tall and just 2 ft wide, adding a slim, vertical accent to any landscape. Its small, dark-green leaves are held in tight formation that offers year-round color and texture. As with many hollies, Japanese holly is also dioecious, meaning individual plants are either male or female. Female plants produce black, berry-like fruit for birds to eat. This plant is perfect for foundation and container plantings. Japanese holly is a hardy variety, tolerant of most soil conditions or light exposure.

Cycle:

Perennial

Watering:

Average

Propagation:

Greenwood Cuttings,Hardwood Cuttings

Hardiness Zone:

5 - 8

Flowers:

White Flowers In Spring

Sun:

Filtered shade, Full sun

Soil:

Acidic, Well-drained

Fruits:

black Fruits In Autumn Ready In

Leaf:

Yes

Leaf Color:

green

Growth Rate:

Moderate

Maintenance:

Moderate

Drought Tolerant:

Yes

Care Level:

Medium

watering

Japanese holly should be watered deeply and evenly once every week, but allow the soil to dry slightly between waterings. For newly planted hollies, water them more regularly until they become established. During the summer months, it may be necessary to water them more frequently and with greater volumes of water, however, avoid overwatering, as this can cause root rot. During the fall and winter months, when the plant is dormant, you may water less frequently.

sunlight

Japanese holly (Ilex crenata 'Sky Pencil') prefers full sun or partial shade. It will tolerate full shade, although if planted in complete shade, it will not be as vigorous. 6 to 8 hours of direct sunlight per day is ideal for this plant, but if possible, avoid the hot midday sun. This plant is relatively drought-tolerant, but it is important to water when the soil is dry to the touch.

pruning

Japanese holly should be pruned twice a year, once in late winter and again in mid-summer. During late winter when the plant is still dormant, you should prune any existing dead, broken or diseased branches. This will stimulate a dense, compact growth habit. During the summer, prune lightly to create a desired shape and to maintain the size of the shrub. Make sure not to prune more than 1-third of the plant at a time. That is to say, don’t prune more than 1-third of the total canopy in 1 session. This will prevent shocking the plant and ensure it remains healthy.

Season

Fall
Winter
Spring
Summer
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Harvest Fruit

The best time to start harvesting the fruits from Ilex crenata 'Sky Pencil' is in October.

Starts Flowering

Ilex crenata 'Sky Pencil' typically starts flowering in late spring, usually in May.

Hardiness Map