Colchis Holly Plant Care
Ilex colchica Pojark.
Updated · Sources · How we source care data
Ilex colchica, commonly known as Colchic- or Black Sea holly, is a species of holly native to Bulgaria, Turkey and the Caucasus.
Every 7–14 days
Full sun to part shade
50–80°F
40–70%
At a glance
How do you care for Colchis Holly?
Plant Colchis Holly 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 Colchis Holly Native To?
What Is the Colchis Holly?
Colchis Holly (Ilex colchica) belongs to the Aquifoliaceae family within the Ilex genus. Colchis Holly is native to Bulgaria, Turkey and the Caucasus.
Colchis Holly displays an upright, dense shrub or small tree growth habit, reaching up to 15 ft tall with a spread of approximately 10 ft. Colchis Holly produces small white flowers in clusters, followed by red berries.
Leaf size: approximately 3 inches.
How Often Should You Water a Colchis Holly?
Water a young or newly planted Colchis Holly 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 Colchis Holly Need?
Colchis Holly thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Colchis Holly Prefer?
Ilex colchica tolerates temperatures of 50–80°F. Colchis Holly prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a Colchis Holly?
Moist, well-draining soil rich in organic matter. Good drainage is essential for Colchis Holly to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Colchis Holly?
Feed Colchis Holly 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 Colchis Holly?
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.
Colchis Holly 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 Colchis Holly?
Colchis Holly 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 Colchis Holly?
Prune Colchis Holly 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 Colchis Holly in Winter?
Colchis Holly 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 Colchis Holly?
Colchis Holly 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 Colchis Holly 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 Colchis Holly?
Colchis Holly 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 Colchis Holly Need?
Colchis Holly grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Colchis Holly is native to Bulgaria, Turkey and the Caucasus. In cooler regions, grow Colchis Holly as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Colchis Holly 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.
Colchis Holly 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 colchica Pojark., family Aquifoliaceae (first published in Ref. Nauchno-Issl. Rabot, Otdelenie Biol. Nauk 1945: 8 (1947)) — World Flora Online record, IPNI name record.
- Pet toxicity: Colchis Holly 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.
