Carduus filipendulus Plant Care
Carduus filipendulus Rydb.
Updated · Sources · How we source care data
Cirsium texanum is a species of plant in the tribe Cardueae within the family Asteraceae found in North America. Common names include Texas thistle, Texas purple thistle or southern thistle.
Every 7–10 days
Full sun
60–80°F
40–70%
At a glance
How do you care for Carduus filipendulus?
Water Carduus filipendulus every 7–10 days, letting the top layer of soil dry out between waterings, and give it 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 Carduus filipendulus Native To?
What Is the Carduus filipendulus?
Carduus filipendulus (Carduus filipendulus) belongs to the Asteraceae family within the Carduus genus. Carduus filipendulus is native to northern Mexico and the southern Great Plains of the south-central United States.
Carduus filipendulus displays an upright, branching perennial growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Carduus filipendulus produces purple, pink, or white thistle-like flowers in dense clusters.
Leaf size: approximately 8 inches.
How Often Should You Water a Carduus filipendulus?
Carduus filipendulus 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 Carduus filipendulus Need?
Carduus filipendulus thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Carduus filipendulus Prefer?
Carduus filipendulus grows best at temperatures of 60–80°F. Carduus filipendulus prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Carduus filipendulus?
Well-draining sandy loam with added organic matter. Good drainage is essential for Carduus filipendulus to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Carduus filipendulus?
Feed Carduus filipendulus 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 Carduus filipendulus?
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 Carduus filipendulus?
Carduus filipendulus can be propagated through seeds. Similar propagation techniques also apply to thistle plant care, which shares the same genus.
Is the Carduus filipendulus Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Carduus filipendulus, 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 Carduus filipendulus?
Carduus filipendulus is susceptible to aphids, thrips, spider mites. 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 Carduus filipendulus Need?
Carduus filipendulus grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Carduus filipendulus is native to northern Mexico and the southern Great Plains of the south-central United States. In cooler regions, grow Carduus filipendulus as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Carduus filipendulus 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 Carduus genus — compare its care with other Carduus species on PlantoScan.
Carduus is part of the Asteraceae plant family — browse all Asteraceae genera and species.
Carduus filipendulus 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: Carduus filipendulus Rydb., family Asteraceae (first published in Bull. Torrey Bot. Club 33: 157 (1906)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Carduus filipendulus, 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 13a, 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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