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Sky Pencil Holly

Ilex crenata 'Sky Pencil'

  • Pencil-Thin Columnar Form Reaches 12 Feet Tall in Just 18 Inches Wide
  • Thrives in Zones 5-9
  • Showy White Blooms in Late Spring
  • Perfect for Border in Asian Gardens
  • Pollinator-Friendly - Attracts Bees
Regular price $2559
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Plant Size

Planting & Care

Where to Plant

  • Sunlight: For the tightest, densest growth, plant your Sky Pencil Holly in full sun, which means at least 6 hours of direct light. It can handle partial shade, but you might notice the vertical branches becoming slightly more open and less "pencil-like" in lower light.
  • Soil: These hollies thrive in well drained, slightly acidic soil. If you are dealing with heavy clay, mix in organic compost or peat moss at planting time to ensure the roots do not sit in stagnant water.

Watering Requirements

During the first growing season, water your holly deeply two or three times a week to help the root system become established. Mature Sky Pencil Hollies are surprisingly drought tolerant, but inconsistent moisture can lead to "bare legs" where the bottom leaves drop off. Aim for deep, infrequent soakings rather than light daily sprinkles to encourage roots to grow deep into the ground.

Pruning Tips

Because this plant naturally grows in a narrow column, it requires very little pruning. If you need to maintain a specific height or want to tighten up the sides, use bypass pruners in late winter before new growth starts. Think of this like a light haircut to remove any stray branches that have wandered out of the columnar shape, which helps the plant stay sturdy against heavy snow loads.

Fertilizer Needs

Feed your holly in early spring with a slow release fertilizer designed specifically for acid loving evergreens. Avoid applying nitrogen-rich fertilizers in the late summer or early fall. This prevents the plant from producing tender new shoots that would be easily damaged by the first hard freeze of the winter season.

Delivery and Shipping

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We ship your plants when it's safe to transport them to your zone. Dates are estimated and subject to weather delays.

Zone 3-4 Week of March 30th
Zone 5 Week of March 16th
Zone 6-12 Week of March 2nd


Shipping Rates

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Under $50 $9.99
$50 - $99.99 $14.99
$100 - $149.99 $16.99
$150 - $198.99 $24.99
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Description

Dramatic upright evergreen! If you need some instant definition or strategic screening in your yard, Sky Pencil Holly (Ilex crenata 'Sky Pencil') works beautifully all year long. It's sure to turn heads wherever you plant one.

No matter how small your yard is or how little planting space is available, there's always room for a Sky Pencil Holly! Just as the name implies, the Sky Pencil Japanese Holly has a pencil-thin growth habit. This dramatic evergreen Holly cultivar creates a very narrow punctuation point anywhere you place it. It reaches up into the sky, creating a tight, column effect. You'll gain a marvelous vertical accent with this easy-care shrub. Dark green elliptic leaves fill out the branches nicely.

Sky Pencil is a female cultivar that needs a male pollinator in order to produce small, yet pretty purple berries. You will need to plant a male Ilex crenata nearby if you want to see the small dark fruit. With or without the fruit, Sky Pencil has handsome foliage and a totally unique form.

Sky Pencil Holly is truly a one-of-a-kind plant and a must-have for any discriminating gardener. Order today!

How to Use Sky Pencil Holly in the Landscape

Some evergreen shrubs can outgrow their allotted space, but not Sky Pencil. This is a well-behaved, columnar evergreen that can work extremely hard in your garden design and provide year-round greenery.

Use a single specimen plant in your perennial bed at a curve or bend to mark the moment of transition. Or, use Sky Pencil as a repeating design element to give a strong structure to your design.

Another wonderful way to use this special plant is in mass plantings to provide an effective low privacy screen in a narrow side yard or another tight spot. For a solid screen, plant Sky Pencil a bit less than 2 feet apart (measuring from trunk to trunk) The plants will grow together.

Use this screening spacing to hide your garbage cans with style!

For an Instagram-ready modern look, plant them in containers and use them on your patio. Pair with other evergreens, such as Dwarf Alberta Spruce or Blue Arrow Juniper for a lovely, curated collection. Try your hand at the specialized pruning art of topiary. Sky Pencil Holly makes a wonderful 3-ball topiary and front porch accent for all seasons.

  • Narrow Columnar Form
  • Perfect Hedge Plant
  • Well Behaved Evergreen Accent Shrub
  • Great Container Plant
  • Specimen Plant, Garden Structure & Architectural Accents

#ProPlantTips for Care

The Sky Pencil Holly will grow in sun or partial shade, transplants easily, and requires no pruning to maintain its remarkable shape. However, it does adapt well to an occasional trim should you prefer to manage its size. This is the perfect small garden plant or condo patio plant.

It's adapted to a wide range of climates but requires well-drained, slightly acidic soil to perform at its best. Give them full sun and keep the soil moist to keep that beautiful foliage green in color.

Container plants need good water drainage and a consistent water source, plus 3-4 inches of mulch over the top of the soil always helps both potted and in-ground plants. Their root systems won't tolerate poorly drained soils.

In colder hardiness zones, move containers to a protected patio, or unheated garage, an east-facing location out of the sun, or even an unheated garage with a window after the plants have gone dormant in late fall or early winter. Do not let them dry out excessively.

  • Full Sun & Partial Shade
  • Moderate Moisture Needs
  • Rarely Needs Pruning - Very Well-Behaved
  • Any Well-Drained Soil
  • Appreciates Mulch & Needs Winter Protection In Cold Climates

This is a wonderful introduction from the U.S. National Arboretum in Washington D.C. in 1992. A non-traditional Holly with extraordinary features, the Sky Pencil is sure to bring beauty to your yard in every season and for years to come. Order yours today!

Explore More from Nature Hills

The Sky Pencil Holly's narrow, upright form makes it an excellent choice for creating defined lines in your landscape, and you'll find many more options in our collections of hedges, privacy shrubs, and evergreen shrubs. This holly works particularly well when planted in rows for screening, and our guide on Privacy Trees and Shrubs: The Complete Guide to Screening, Spacing & Top Varieties provides helpful spacing recommendations. For maintenance tips specific to holly plants, check out our article on Pruning Holly Plants For Hedges, Foundation or Screening, and explore our full selection of low maintenance plants for easy-care garden additions.

Frequently Asked Questions

Can sky pencil holly grow in shade?

  • Sky Pencil Holly tolerates partial shade but performs best in full sun to partial sun conditions. While it can grow in shadier spots, you'll get the most compact, dense foliage and strongest columnar form with at least 4-6 hours of direct sunlight daily.

How to plant sky pencil holly?

  • Plant Sky Pencil Holly in well-draining soil with partial to full sun exposure. Space plants less than 2 feet apart (trunk to trunk) for screening, or use as single specimens in perennial beds. Plant in spring or fall for best establishment, available at naturehills.com.

How tall does sky pencil holly grow?

  • Sky Pencil Holly typically reaches 6-8 feet tall and only 2-3 feet wide at maturity. This slow-growing evergreen maintains its narrow, columnar shape naturally without pruning. Space plants 2 feet apart for screening or use as single specimens in tight spaces.

Do sky pencil holly have berries?

  • Sky Pencil Holly is a female cultivar that produces small, pretty purple berries only when pollinated by a male plant. You'll need to plant a male Ilex crenata nearby to get the dark fruit. Without a male pollinator, you'll still have attractive foliage and form.

Can you show me photos of these?

  • Sky Pencil Holly creates a dramatic vertical accent with its pencil-thin columnar form and dark green foliage. You can view detailed photos of this unique evergreen on the product page at naturehills.com to see its striking upright growth habit.

Do deer eat sky pencil holly?

  • Sky Pencil Holly is naturally deer resistant due to its dense, small evergreen leaves that deer typically avoid. The columnar form and thick foliage make it an unappealing browsing target. Plant Sky Pencil confidently in deer-prone areas for reliable year-round screening.

How often should i water it?

  • Water Sky Pencil Holly deeply once weekly during its first growing season to establish roots. Once established, this drought-tolerant evergreen needs watering only during extended dry periods. Check soil moisture 2 inches down and water when dry to the touch.

Does Sky Pencil Holly need regular pruning to maintain its columnar shape?

  • Sky Pencil Holly maintains its narrow columnar form naturally without regular pruning. This well-behaved evergreen grows in a tight, pencil-thin habit that won't outgrow its space. Light pruning in late winter can remove any wayward branches if desired.

How much fertilizer does Sky Pencil Holly need and when should I apply it?

  • Sky Pencil Holly requires minimal fertilization due to its naturally slow growth habit. Apply a balanced, slow-release fertilizer in early spring before new growth begins. A light application of granular fertilizer around the root zone is sufficient for the entire growing season.

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