How fast do sky pencil holly bushes grow?
How Fast Does The Sky Pencil Holly Grow? This is a fast growing shrub that will grow up to 10″ in a year to mature height of 6-8 feet.
Can Sky Pencil Holly survive winter?
Best suited for USDA zones 6 to 9, sky pencil holly can be kept outdoors during the wintertime but will need a little protection from frost. Sky pencils need a good amount of sunlight throughout the day. However, it will need some protection from the harsh afternoon sun.
How tall does an Ilex Sky Pencil get?
‘Sky Pencil’ is an exceedingly narrow, fastigiate form which grows somewhat slowly in a vertical, pencil-like column to 10′ tall but only 2-3′ wide. A typical 4-6′ tall specimen may only be 10-12″ wide.
How big do Sky pencils get?
Ilex crenata ‘Sky Pencil’
Botanical Pronunciation | EYE-leks kre-NAY-tuh |
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Lore | ‘Sky Pencil’ is an all-female cultivar which needs a male variety nearby as a pollenizer, in order to produce berries. |
Average Size at Maturity | Moderate growing 6 to 8 ft. tall and 2 to 3 ft. wide. |
Bloom Time | Inconspicuous; prized for foliage. |
How do I protect my sky pencil holly in the winter?
Sky pencil holly commonly splits open in a wet snow. Covered wire can be used to hold arborvitae stems together – you can bend it around a stem but leave that open so that the plant won’t be hurt as it grows.
Are Sky Pencil holly roots invasive?
Q.
A. Sky Pencil Holly does not have an invasive root structure. They can even be grown in containers. It is recommended to plant 5 feet from a home structure, this is a general guideline for most foundation plantings.
What kills sky pencils?
Botryosphaeria canker, also known simply as die-back, occurs when the Botryosphaeria fungus enters the ‘Sky Pencil’ holly’s system through breaks or cuts in its stems. The fungus causes the bark and woody tissue around the infection to collapse and turn brown to black, says PennState Extension.
Can you cut back sky pencil holly?
They don’t need pruning unless you want to maintain them at a shorter height or narrower width. If you choose to prune them, do so in winter while the plants are dormant. Fertilize Sky Pencil hollies in spring with one pound of 10-6-4 or special broadleaf evergreen fertilizer per inch (2.5 cm.) of trunk diameter.