Onopordum acanthium subsp. gautieri Plant Care
Onopordum acanthium subsp. gautieri (Rouy) Franco
Updated · Sources · How we source care data
Every 10–14 days
Full sun
50–80°F
40–60%
At a glance
How do you care for Onopordum acanthium subsp. gautieri?
Water Onopordum acanthium subsp. gautieri every 10–14 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 8 months during the growing season.
What Is the Onopordum acanthium subsp. gautieri?
Onopordum acanthium subsp. gautieri (Onopordum acanthium subsp. gautieri) belongs to the Asteraceae family within the Onopordum genus.
Onopordum acanthium subsp. gautieri displays a tall, spiky biennial growth habit, reaching up to 6 ft tall with a spread of approximately 2 ft. Onopordum acanthium subsp. gautieri produces large purple thistle-like flowers.
Leaf size: approximately 12 inches.
How Often Should You Water a Onopordum acanthium subsp. gautieri?
Onopordum acanthium subsp. gautieri requires watering every 10–14 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 10–14 days
Let soil partially dry between waterings
What Light Does the Onopordum acanthium subsp. gautieri Need?
Onopordum acanthium subsp. gautieri thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Onopordum acanthium subsp. gautieri Prefer?
Onopordum acanthium subsp. gautieri grows best at temperatures of 50–80°F. Onopordum acanthium subsp. gautieri prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Onopordum acanthium subsp. gautieri?
Well-draining sandy soil with good aeration. Good drainage is essential for Onopordum acanthium subsp. gautieri to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Onopordum acanthium subsp. gautieri?
Feed Onopordum acanthium subsp. gautieri every 8 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 8 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 Onopordum acanthium subsp. gautieri?
Repot every 1-2 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 Onopordum acanthium subsp. gautieri?
Onopordum acanthium subsp. gautieri can be propagated through seeds. Similar propagation techniques also apply to onopordum × brevicaule plant care, which shares the same genus.
Is the Onopordum acanthium subsp. gautieri Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Onopordum acanthium subsp. gautieri, 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 Onopordum acanthium subsp. gautieri?
Onopordum acanthium subsp. gautieri is susceptible to aphids, caterpillars. 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 Onopordum acanthium subsp. gautieri Need?
Onopordum acanthium subsp. gautieri grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Onopordum acanthium subsp. gautieri as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Onopordum acanthium subsp. gautieri 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 Onopordum genus — compare its care with other Onopordum species on PlantoScan.
Onopordum is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Onopordum acanthium subsp. gautieri thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Onopordum acanthium subsp. gautieri (Rouy) Franco, family Asteraceae (first published in Bot. J. Linn. Soc. 71(1): 45 (1975)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Onopordum acanthium subsp. gautieri, 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.
- 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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