Ilex suzukii Plant Care

Ilex suzukii S.Y.Hu

Updated · Sources · How we source care data

Ilex suzukii is a species of flowering plant in the holly family Aquifoliaceae, native to Taiwan. An evergreen shrub or small tree found in woods and hills at middle elevations, it has terete young branchlets and shiny castaneous fruit.

🌳Trees🌿Shrubs
Water

Every 7–14 days

Light

Full sun to part shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Ilex suzukii?

Plant Ilex suzukii in full sun to part shade (USDA zones 12a) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.

Where Is the Ilex suzukii Native To?

Native range1 country

What Is the Ilex suzukii?

Ilex suzukii (Ilex suzukii) belongs to the Aquifoliaceae family within the Ilex genus. Ilex suzukii is native to Taiwan.

Ilex suzukii displays an upright, dense shrub or small tree growth habit, reaching up to 15 ft tall with a spread of approximately 10 ft. Ilex suzukii produces small white flowers in clusters, followed by red berries.

Leaf size: approximately 3 inches.

How Often Should You Water a Ilex suzukii?

Water a young or newly planted Ilex suzukii every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.

Watering Frequency

Every 7–14 days

Until established; then in dry spells

What Light Does the Ilex suzukii Need?

Ilex suzukii thrives in full sun to part shade.

Light Requirement

Full sun to part shade

What Temperature and Humidity Does the Ilex suzukii Prefer?

Ilex suzukii tolerates temperatures of 50–80°F. Ilex suzukii prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Ilex suzukii?

Moist, well-draining soil rich in organic matter. Good drainage is essential for Ilex suzukii to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Ilex suzukii?

Feed Ilex suzukii every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.

Stop feeding by late summer so new growth can harden before winter.

Fertilizing

Every 6 months

During the growing season

The PlantoScan app can remind you when to water and when to fertilize each plant.

Where Should You Plant a Ilex suzukii?

Choose a spot with full sun to part shade and moist, well-draining soil rich in organic matter. Avoid low spots where water collects after rain.

Ilex suzukii is suited to USDA Zone 12a.

Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.

How Far Apart Should You Plant a Ilex suzukii?

Ilex suzukii can spread to about 10 ft (3 m) and reach about 15 ft (5 m) tall. Space plants about 10 ft (3 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.

Planning a row or hedge? Try the tree spacing calculator.

How Do You Prune a Ilex suzukii?

Prune Ilex suzukii while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.

If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.

How Do You Care for a Ilex suzukii in Winter?

Ilex suzukii is frost-tender (hardy to USDA zone 12). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.

How Do You Propagate a Ilex suzukii?

Ilex suzukii can be propagated through seeds, semi-hardwood cuttings. Similar propagation techniques also apply to christmas holly plant care, which shares the same genus.

Is the Ilex suzukii Toxic to Pets and Children?

Toxic (caution)

Reported as toxic in our plant data. Not verified by the ASPCA.

Toxic to humans and pets if ingested

This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.

See all plants toxic to cats and plants toxic to dogs.

What Pests and Diseases Affect the Ilex suzukii?

Ilex suzukii is susceptible to spider mites, scale insects, leaf miners. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.

Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.

What USDA Hardiness Zone Does the Ilex suzukii Need?

Ilex suzukii grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Ilex suzukii is native to Taiwan. In cooler regions, grow Ilex suzukii as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Ilex suzukii is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.

It belongs to the Ilex genus — compare its care with other Ilex species on PlantoScan.

Ilex is part of the Aquifoliaceae plant family — browse all Aquifoliaceae genera and species.

Ilex suzukii thrives in bright light and direct sun — see other bright-light plants.

More Ilex Species

Other Ilex species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Ilex suzukii S.Y.Hu, family Aquifoliaceae (first published in J. Arnold Arbor. 30: 376 (1949)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Ilex suzukii is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
  • Hardiness zone: USDA Zone 12a, calculated from the plant's minimum temperature.
  • Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.

Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.

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