Greek Hellebore Plant Care
Helleborus cyclophyllus Boiss.
Updated · Sources · How we source care data
Helleborus cyclophyllus is a flowering perennial plant in the family Ranunculaceae. It is native to Albania, Bulgaria, Greece, and Yugoslavia.
Every 7–10 days
Partial shade to full shade
50–75°F
40–70%
At a glance
How do you care for Greek Hellebore?
Plant Greek Hellebore in partial shade to full shade (USDA zones 12a) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 50–75°F (10–24°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.
What Is the Greek Hellebore?
Greek Hellebore (Helleborus cyclophyllus) belongs to the Ranunculaceae family within the Helleborus genus. Greek Hellebore is native to Albania, Bulgaria, Greece, and Yugoslavia.
Greek Hellebore displays a low rosette, clumping growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Greek Hellebore produces showy cup-shaped flowers in various colors.
Leaf size: approximately 6 inches.
How Often Should You Water a Greek Hellebore?
Water a young or newly planted Greek Hellebore every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Greek Hellebore Need?
Greek Hellebore thrives in partial shade to full shade. The optimal light range is 100–500 lux. Avoid placing Greek Hellebore in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Partial shade to full shade
100–500 lux
What Temperature and Humidity Does the Greek Hellebore Prefer?
Helleborus cyclophyllus tolerates temperatures of 50–75°F. Greek Hellebore prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Greek Hellebore?
Rich, well-draining soil with plenty of organic matter. Good drainage is essential for Greek Hellebore to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Greek Hellebore?
Feed Greek Hellebore every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs 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 Greek Hellebore?
Choose a spot with partial shade to full shade and rich, well-draining soil with plenty of organic matter. Avoid low spots where water collects after rain.
Greek Hellebore is suited to USDA Zone 12a.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Greek Hellebore?
Greek Hellebore can spread to about 2 ft (0.6 m) and reach about 2 ft (0 m) tall. Space plants about 2 ft (0.6 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 plant spacing calculator.
How Do You Prune a Greek Hellebore?
Prune Greek Hellebore 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 shrub in one year.
How Do You Care for a Greek Hellebore in Winter?
Greek Hellebore 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 Greek Hellebore?
Greek Hellebore can be propagated through division, seeds. Similar propagation techniques also apply to stinking hellebore plant care, which shares the same genus.
Is the Greek Hellebore 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 Greek Hellebore?
Greek Hellebore is susceptible to aphids, slugs, snails. 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 Greek Hellebore Need?
Greek Hellebore grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Greek Hellebore is native to Albania, Bulgaria, Greece, and Yugoslavia. In cooler regions, grow Greek Hellebore as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Greek Hellebore 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 Helleborus genus — compare its care with other Helleborus species on PlantoScan.
Helleborus is part of the Ranunculaceae plant family — browse all Ranunculaceae genera and species.
Greek Hellebore copes with lower light than most plants — browse the full list of low-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Helleborus cyclophyllus Boiss., family Ranunculaceae (first published in Fl. Orient. 1: 61 (1867)) — World Flora Online record, IPNI name record.
- Pet toxicity: Greek Hellebore 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.
