Image: AI generated
Great masterwort Plant Care
Astrantia major L.
Updated · Sources · How we source care data
Featuring intricate, star-shaped blossoms surrounded by delicate, serrated green leaves, Astrantia major originates from Europe and the Caucasus region. This plant's unique appearance and long-lasting flowers make it a highly sought-after addition to any collector's garden.
Every 7–10 days
Partial shade to full shade
50–75°F
40–70%
At a glance
How do you care for Great masterwort?
Water Great masterwort every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full shade. It prefers temperatures of 50–75°F (10–24°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Great masterwort Native To?
What Is the Great masterwort?
Great masterwort (Astrantia major) belongs to the Apiaceae family within the Astrantia genus. Great masterwort is native to central and eastern Europe. Great masterwort is also known as Masterwort, Hairy masterwort, Astrantia.
Great masterwort displays a clumping perennial growth habit, reaching up to 1.5 ft tall with a spread of approximately 1 ft. Great masterwort produces unique, intricate, domed flowers in shades of pink, white, or green.
Leaf size: approximately 6 inches.
How Often Should You Water a Great masterwort?
Astrantia major requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Great masterwort Need?
Great masterwort thrives in partial shade to full shade. The optimal light range is 100–500 lux. Avoid placing Great masterwort 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 Great masterwort Prefer?
Astrantia major grows best at temperatures of 50–75°F. Great masterwort prefers humidity levels of 40–70%.
Temperature
50–75°F
Humidity
40–70%
What Soil Mix Works Best for a Great masterwort?
Rich, moist, well-draining soil with high organic matter content. Good drainage is essential for Great masterwort to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Great masterwort?
Feed Great masterwort every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Great masterwort?
Divide and replant every 3-4 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Great masterwort?
Great masterwort can be propagated through division, seeds. Similar propagation techniques also apply to astrantia bavarica plant care, which shares the same genus.
Is the Great masterwort Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Great masterwort, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
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 Great masterwort?
Great masterwort 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 Great masterwort Need?
Great masterwort grows outdoors in USDA Zone 4a – 7b. It survives winters down to planting zone 4a. Great masterwort is native to central and eastern Europe.
Hardiness Zone
Zone 4a – 7b
Keep exploring plants
Great masterwort 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 Astrantia genus — compare its care with other Astrantia species on PlantoScan.
Astrantia is part of the Apiaceae plant family — browse all Apiaceae genera and species.
Great masterwort 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: Astrantia major L., family Apiaceae (first published in Sp. Pl. : 235 (1753)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Great masterwort, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: AI-generated illustration (labelled on the image).
- Hardiness zone: USDA Zone 4a – 7b, estimated from the plant's typical growing conditions.
- 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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