La Palma Sowthistle (Sonchus palmensis)

Photo: H. ZellCC BY-SA 3.0via Wikimedia Commonsresized / cropped

La Palma Sowthistle Plant Care

Sonchus palmensis (Webb) Boulos

Updated · Sources · How we source care data

Sonchus pinnatus var. palmensis

🌱Herbs🌼Perennials🌻Annuals
Water

Every 4–7 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for La Palma Sowthistle?

Water La Palma Sowthistle every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.

What Is the La Palma Sowthistle?

La Palma Sowthistle (Sonchus palmensis) belongs to the Asteraceae family within the Sonchus genus. La Palma Sowthistle is native to the Canary Island of La Palma. La Palma Sowthistle is also known as Sonchus pinnatus subsp. palmensis, Sonchus pinnatus var. palmensis.

La Palma Sowthistle displays an upright, branching herbaceous plant growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. La Palma Sowthistle produces small yellow daisy-like flowers in clusters.

Leaf size: approximately 6 inches.

How Often Should You Water a La Palma Sowthistle?

Sonchus palmensis requires watering every 4–7 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 4–7 days

Let soil partially dry between waterings

What Light Does the La Palma Sowthistle Need?

La Palma Sowthistle thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the La Palma Sowthistle Prefer?

Sonchus palmensis grows best at temperatures of 50–80°F. La Palma Sowthistle prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a La Palma Sowthistle?

Well-draining, fertile soil with added compost or organic matter. Good drainage is essential for La Palma Sowthistle to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a La Palma Sowthistle?

Feed La Palma Sowthistle 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 La Palma Sowthistle?

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 La Palma Sowthistle?

La Palma Sowthistle can be propagated through seeds, division of root ball. Similar propagation techniques also apply to species plantarum plant care, which shares the same genus.

Is the La Palma Sowthistle Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list La Palma Sowthistle, 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 La Palma Sowthistle?

La Palma Sowthistle is susceptible to aphids, caterpillars, slugs. 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 La Palma Sowthistle Need?

La Palma Sowthistle grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. La Palma Sowthistle is native to the Canary Island of La Palma. In cooler regions, grow La Palma Sowthistle as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

La Palma Sowthistle 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 Sonchus genus — compare its care with other Sonchus species on PlantoScan.

Sonchus is part of the Asteraceae plant family — browse all Asteraceae genera and species.

La Palma Sowthistle thrives in bright light and direct sun — see other bright-light plants.

More Sonchus Species

Other Sonchus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Sonchus palmensis (Webb) Boulos, family Asteraceae (first published in Nytt Mag. Bot. xiv. 13 (1967)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list La Palma Sowthistle, 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: H. Zell, CC BY-SA 3.0, Wikimedia Commons — original.
  • 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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