If you are looking for a space-saving, and elegant plant to add to your garden or large landscapes, Sky Pencil Holly might be the perfect choice. A unique cultivar of Japanese Holly, this evergreen beauty is loved for its sleek, upright growth and minimal care needs.
Often used as a privacy screen, the Japanese Holly Sky Pencil can thrive in various conditions. Whether you plan to give a personal touch to your balcony garden or are thinking of redesigning your backyard, Pencil Hollies can be your go-to option.
Moving further, dive deep into the care tips of Skypencil Holly along with its pros and cons and other Japanese Holly species.
Sky Pencil Holly: Introduction and General Facts

Sky Pencil Holly is an easy-to-grow female cultivar of the Japanese Holly, requiring male pollinators to bear fruits. This plant type is ideal for container potting and is mostly grown to elevate garden spaces. You can enjoy its green foliage all year round.
The Holly Sky Pencil, as its name suggests, has an upright, pencil-like shape and can reach a height of 10 feet (ca. 3 m). Moving further, let us explore some general facts about this unique evergreen shrub.
Attributes | Facts |
Botanical Name | Ilex crenata ‘Sky Pencil’ |
Family | Aquifoliaceae |
Height | 3-10 ft tall |
USDA Zone | 6-9 |
Soil Type | Well-drained, acidic soil |
Water Requirements | Consistent watering during the initial stages |
Sunlight | Full sun to partial shade |
Bloom Time | All year round |
Many garden enthusiasts confuse Pencil Holly for a Cypress tree because of its shape and foliage structure, but you are highly mistaken, as they are very different from each other.
If you wish to grow an impressive upright plant in your yard and elevate its beauty, then this Japanese Holly variant is your perfect choice. Let us understand the preferable growing conditions for planting Sky Pencil Holly.
Growing Conditions Necessary for Planting Sky Pencil Holly
Like any other plant, this elegant-looking shrub has its unique requirements to flourish and enhance the border areas of wide landscapes. Stay along to know the care requirements of this botanical miracle.
- Watering: When the shrub is young and in its initial growing stage, make sure that you are watering the Pencil Sky plant at regular intervals.
Once the species reaches its maturity, it requires watering in moderation, like once or twice a week. Remember to water only when the topsoil is dry, as overwatering can loosen the roots and kill your plant.
- Soil Type: One impressive attribute of the Sky Pencil Holly tree is that it can survive in a variety of soil conditions, which makes it the most preferred plant to grow in garden spaces or for outdoor decorations.
Though this cultivar usually prefers slightly acidic and well-drained soil types, it can manage to grow in clayey, loamy, or sandy soil, but it should not be too moist.
- Sunlight Exposure: Thrives in full sun, the Japanese Holly Sky Pencil requires 6 hours of direct bright sunlight. In warm climatic areas, it is best to keep the plant in partial shade to keep the green-coloured leaves intact.
- Pruning Method: While pruning or trimming down the Sky Pencil Holly, do not forget to maintain its narrow pencil-like structure. Remove the extra branches or dead foliage but avoid flat topping the tree. The best time to prune your Sky Holly is during late winter or early spring when new growth begins.
- Propagation Technique: Propagating Pencil Hollies is a quite straightforward process. Cut approximately 4-6 inches long healthy stem, apply the rooting hormone, and plant the stem in a container having a well-composed soil mix, and you are good to go!
With proper care, Sky Japanese Pencil Holly can grow into strong and healthy evergreen shrubs. The little to no maintenance of this species makes it a perfect choice for both experienced and new gardeners.
Some Common Cultivars of Japanese Holly
Along with the Sky Pencil Holly, the Japanese Holly has many common cultivars that are grown by many garden lovers and flora fanatics. Let us learn more about them in the following section.
Brass Buckle

The Brass Buckle Japanese Holly is native to Korea, Japan, Taiwan, and parts of Eastern China. It is a flowering deciduous shrub and has lime-yellow leaves.
Features | Facts |
Botanical Name | Ilex crenata ‘ANNYS1’ |
Hardiness Zone (USDA) | 6-8 |
Soil Type | Prefers acidic soil |
Water | Requires regular watering |
Light | Can grow well in partial shade |
Chubby Hubby

Chubby Hubby is a difficult to find but worth seeking species of the Japanese Holly. Just like the Holly Sky Pencil plant, this variety is also a female cultivar and needs a male pollinator.
Features | Facts |
Botanical Name | Ilex crenata ‘MAD-IC-I’ PP32,035 |
Hardiness Zone (USDA) | 6-8 |
Soil Type | Permeable acidic soil type |
Water | In moderation |
Light | Full sun to partial shade |
Japanese Holly Compact

Ever seen those beautiful bushes on the border of the garden areas? Those dark green bushes are commonly known as Japanese Holly Compact and are originally from East Asia.
Features | Facts |
Botanical Name | Ilex crenata “Acebo compacta” |
Hardiness Zone (USDA) | 6-9 |
Soil Type | Well-drained |
Water | Enough to keep the top soil moist |
Light | Full sun to partial shade |
Dwarf Pagoda

Popularly seen in rock gardens, Dwarf Pagoda is a slow-growing Japanese Holly cultivar. These are preferably grown in container pots or groups and require no pruning to maintain their shape and size.
Features | Facts |
Botanical Name | Ilex crenata ‘Dwarf Pagoda’ |
Hardiness Zone (USDA) | 5-9 |
Soil Type | Moist but well-drained |
Water | Regular watering is required |
Light | Full sun to partial shade |
Geisha Japanese Holly

Geisha is a slow evergreen shrub and, unlike other species, this variety also bears small buds. The dark green dense foliage gives this cultivar a unique look. Also known as the smallest Japanese Holly plant, Geisha is often grown as a border bush.
Features | Facts |
Botanical Name | Ilex crenata ‘Geisha’ |
Hardiness Zone (USDA) | 5-8 |
Soil Type | Well drained slightly acidic soil |
Water | Only when the soil is dry |
Light | Thrives in bright sunlight |
Hetzii

Unlike other leaves, this densely rounded genus has broad-shaped foliage and is mostly grown as border covers. Hetzii leaves remain dark green all year round and appear to be black during the night.
Features | Facts |
Botanical Name | Ilex crenata ‘Hetzii’ |
Hardiness Zone (USDA) | 5-8 |
Soil Type | Clayey, loamy, sandy, chalky |
Water | Moderate watering is needed |
Light | Bright indirect sunlight |
Mariesii

Mariesii is yet another dwarf female cultivar of the Japanese Holly. It has small glossy dark green leaves that sometimes have needles at their tips. If the species gets a male pollinator, you will be able to see blackberries on the bush during winter.
Features | Facts |
Botanical Name | Ilex crenata ‘Mariesii’ |
Hardiness Zone (USDA) | 5a-8b |
Soil Type | Acidic but slightly peaty soil |
Water | Only when the top soil is dry |
Light | 6 hours of daily sunlight |
Sky Box

Having a similar name, the Sky Box Holly also appears quite similar to the Sky Pencil Holly. This species requires no pruning and is popularly used as an ornamental shrub in garden spaces.
Features | Facts |
Botanical Name | Ilex crenata ‘Farrow one’ |
Hardiness Zone (USDA) | 6-8 |
Soil Type | Prefers acidic soil |
Water | Requires regular watering |
Light | Full sun exposure is needed |
Steeds

Steeds is a pyramid-shaped species of the Japanese Holly and requires little care to maintain its shape and beauty. During the initial growing stages, the plant requires extra attention but with proper care, this will add elegance to your front lawns.
Features | Facts |
Botanical Name | Ilex crenata ‘Steeds’ |
Hardiness Zone (USDA) | 5-9 |
Soil Type | Loamy soil with good drainage |
Water | Moderate amount of water |
Light | Full sun to partial shade |
Snowflake

The Snowflake Japanese Holly features unique leaves with light white margins that create a snowflake appearance, which is the origin of its name. With unique variegated leaves, this cultivar needs a male pollinator and is often used in garden borders.
Features | Facts |
Botanical Name | Ilex crenata ‘Shiro-Fukurin’ |
Hardiness Zone (USDA) | 6a-10b |
Soil Type | Well-drained acidic soil |
Water | Enough to keep the soil moist |
Light | 6 hours of direct sunlight |
These are some of the most popular cultivars of Japanese Holly that any garden enthusiast can plant in their outdoor spaces to add vibrancy and aesthetics.
Pros and Cons of the Holly Sky Pencil
In the following section, let us explore some pros and cons of this evergreen beauty and understand whether it is an ideal choice for you or not.
- Unique vertical growth makes it ideal for small gardens and narrow spaces
- Require minimal care and pruning to maintain its shape, no leaf shedding hence no cleanup hassle
- Evergreen beauty, the dark green foliage are a visual appeal even in the winter.
- Non-toxic to humans and pets, the leaves can cause mild discomfort, but overall it is safe if ingested.
- Susceptible to root rot, avoid planting in wet or moist soil as it can damage the roots
- Cannot tolerate freezing weather, can survive in USDA 5-9 but below 5 can cause foliage damage
- Needs watering at regular intervals, if not watered properly, the leaves can get dry and thin out.
These are some advantages and disadvantages of Sky Pencil Holly tree for your clarity so that you can make an informed decision.
Final Verdict: Is Sky Pencil an Ideal Option?
As has been noted earlier, the Sky Pencil Holly requires very little care once it’s fully grown and established, making it an ideal option for many garden enthusiasts. This ornamental shrub has an unfading beauty that can enhance the aesthetics of your garden spaces and is a visual treat to the eyes.
Whether you are someone who has just stepped into gardening or an experienced nature lover, Sky Pencil Holly is exactly what your backyard has been waiting for.
What is the hardiness zone of Sky Pencil Holly?
The USDA hardiness zone of Sky Pencil Holly is 6-9.
Sky Pencil Holly belongs to which plant family?
The Japanese Holly Sky Pencil belongs to the Aquifoliaceae plant family.
Why Pencil Hollies are called evergreen beauty?
The Sky Holly Pencil is called evergreen beauty due to its dark green leaves that stay all year round, making it a visual treat.
Is Sky Pencil deer resistant?
Yes, Sky Pencil is said to be deer-resistant, which makes it a go-to option for large landscapes.
Plant Primer: Sky Pencil Japanese Holly — The Columbus Dispatch