ilex crenata

Sky pencil, Convex holly, Japanese box.

Care level

Easy

Unlike its spiky-leaved relatives, this charming evergreen shrub features tiny, smooth oval leaves that create a dense, cloud-like appearance perfect for shaping. Its incredibly fine texture and small black berries make it a favorite for creating elegant hedges and topiary designs that look equally stunning in gardens and containers.

Care & maintenance

Light

Bright indirect light

Bright light, usually located near windows but doesn't receive direct rays for more than an hour during the day.

Temperature

Wide range (-4°F - 95°F)

Fertilization frequency

Low

Once per season.

Humidity & watering

Moderate

Keep the soil slightly moist.

An ambiant humidity between 40 and 60% is recommended.

Soil

Choose a Acid-loving plant mix: An acidic, moisture-retentive mix with good drainage.

If you want to create your own substrate, you can make a mixture of the following soils:

Click on the soil name for more information.

Pot

Standard size

Standard size

Prefer a pot with a classic width/depth ratio.

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Features

Size & growth

Medium

Upright

Slow growth

This plant grows slowly. It can reach 1 to 3 feet in height or spread.

It grows upwards without support.

Toxicity

Toxicity table by species
Cat
Dog
Human
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Reproduction & propagation

Fruits & flowers

Flowering & not self-pollinating

The ilex crenata can produce flowers and therefore fruits.
This plant is not capable of self-pollination, it will not be able to produce fruits if it is not pollinated by another individual.

Propagation methods

The best propagation method for this specie is Stem or tip cutting.
Alternatively, you can also try the following methods:
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