Photo: Gianni Del Bufalo bygdbCC BY 4.0via iNaturalistresized / cropped
Bears Breeches Plant Care
Acanthus mollis L.
Updated · Sources · How we source care data
Acanthus mollis is known for its large, glossy, deeply lobed leaves that create a striking visual impact in any garden. Originating from the Mediterranean region, this plant is highly sought after by collectors for its architectural foliage and elegant appearance. Its lush green foliage adds a touch of sophistication to any landscape design.
Every 7–10 days
Partial shade to full sun
60–80°F
40–70%
At a glance
How do you care for Bears Breeches?
Water Bears Breeches every 7–10 days, letting the top layer of soil dry out between waterings, and give it partial shade to full sun. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Bears Breeches Native To?
What Is the Bears Breeches?
Bears Breeches (Acanthus mollis) belongs to the Acanthaceae family within the Acanthus genus. Bears Breeches is native to the Mediterranean region. Bears Breeches is also known as Bear's Breeches, Acanthus, Oyster Plant.
Bears Breeches displays a clumping perennial herb growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Bears Breeches produces tall spikes of hooded white or purple flowers.
Leaf size: approximately 8 inches.
How Often Should You Water a Bears Breeches?
Acanthus mollis 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 Bears Breeches Need?
Bears Breeches thrives in partial shade to full sun.
Light Requirement
Partial shade to full sun
What Temperature and Humidity Does the Bears Breeches Prefer?
Acanthus mollis grows best at temperatures of 60–80°F. Bears Breeches prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Bears Breeches?
Well-draining soil with added organic matter like compost or peat moss. Good drainage is essential for Bears Breeches to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Bears Breeches?
Feed Bears Breeches 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 Bears Breeches?
Repot every 2-3 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 Bears Breeches?
Bears Breeches can be propagated through division of rhizomes, stem cuttings. Similar propagation techniques also apply to cardoon spurge plant care, which shares the same genus.
Is the Bears Breeches Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Bears Breeches, 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 Bears Breeches?
Bears Breeches is susceptible to aphids, spider mites, whiteflies. 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 Bears Breeches Need?
Bears Breeches grows outdoors in USDA Zone 7a – 10b. It survives winters down to planting zone 7a. Bears Breeches is native to the Mediterranean region.
Hardiness Zone
Zone 7a – 10b
Keep exploring plants
Bears Breeches 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 Acanthus genus — compare its care with other Acanthus species on PlantoScan.
Acanthus is part of the Acanthaceae plant family — browse all Acanthaceae genera and species.
Bears Breeches thrives in bright light and direct sun — see other bright-light plants.
More Acanthus Species
Other Acanthus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Acanthus mollis L., family Acanthaceae (first published in Sp. Pl. : 639 (1753)) — World Flora Online record, IPNI name record, Wikidata.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Bears Breeches, 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: Gianni Del Bufalo bygdb, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 7a – 10b, 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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