Sonchus congestus

Care, watering, light and tips for Sonchus congestus on Floravia.

Sonchus congestus

Quick facts

About Sonchus congestus

Sonchus congestus, commonly known as Cerrajón, is a perennial herbaceous plant endemic to the Canary Islands, belonging to the Asteraceae family. It is characterized by its lobed and toothed leaves forming a basal rosette, and flowering stems that emerge with yellow, dandelion-like inflorescences. It is ideal for rockeries, low-maintenance gardens, or as an ornamental potted plant, adding a wild and native touch.

Native range

Canary Islands

Care tips

This species prefers full sun to partial shade exposure, tolerating direct sunlight well in mild climates. Watering should be moderate, allowing the substrate to dry slightly between waterings, and reducing it in winter. Use a well-drained, sandy or stony substrate, ideally with a slightly alkaline pH. Avoid waterlogging, as it is prone to root rot in excessively wet conditions.

How to save a dying Sonchus congestus

Warning signs
Wilted or yellowing leaves, soft stems, stunted growth.
First aid
Check soil moisture; if dry, water deeply. If waterlogged, aerate roots.
What kills it
Overwatering and poor drainage, leading to root rot. Also extreme drought.
Can it be saved?
Yes, if roots aren't completely rotted and you act quickly.

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