Slender sowthistle - Sonchus tenerrimus (Care, Characteristics, Distribution, Images)

Slender sowthistle

Slender sowthistle (Sonchus tenerrimus) is an annual or perennial herb with a slender stem that will grow to 81 cm tall. Native to Europe and Africa, it is commonly found growing in California. A member of the aster family, it produces yellow, daisy-like flowers but without disc floret centers.

Scientific classification

Species

Slender sowthistle (Sonchus tenerrimus)

Asters bellflowers fanflowers and allies

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Spring, Summer

Bloom Time

20 cm to 1 m

Plant Height

1 cm to 1.2 cm

Flower Size

Yellow, Gold

Flower Color

Semi-evergreen

Leaf type

20 - 32 ℃

Ideal Temperature

Images of Slender sowthistle

Distribution of Slender sowthistle

Distribution Map

Slender sowthistle is a plant species native to certain regions of Europe. It has since broadened its range, being introduced to additional parts of South America and Europe. Its resilience and adaptability allow it to thrive beyond its original habitat, establishing a presence primarily across temperate zones of these continents.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Shady walls and rocks in Israel.

Hemisphere Trend Curve

Northern

Sorthern

Culture

Interesting Facts

The global spread of slender sowthistle is connected to coastal regions, ship harbours and ship ballast discharge. However, although the two are very similar species, the slender sowthistle has not shown the same invasive potential as its close cousin, the Common sowthistle. It has been naturalized only in a few coastal states in the US, as well as Baja California in Mexico.

Name Story

Slender sowthistle: The name ‘Sow thistle’ originates from the fact that this genus of plants is allegedly very attractive to pigs, and also from the similarity between the leaves of sow thistles and young (true) thistle plants. Sonchus tenerrimus is called "slender sowthistle" because of its slender growth and thinner bracts when compared to the common sowthistle, S. oleraceus.

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Care Guide for Slender sowthistle

Every week

Water

Full sun

Sunlight

20 - 32 ℃

Ideal Temperature

Water: Slender sowthistle thrives in moderate moisture and can tolerate brief dryness, requiring weekly watering for optimal health. Preferring full sun, it adjusts water intake during the growing season to enhance flowering potential. This plant is well-suited for Mediterranean-like environments.

Fertilize: Fertilize slender sowthistle monthly with balanced N-P-K fertilizers during the growing season, reducing frequency in dormancy. High nitrogen promotes leafy growth, but avoid excess to prevent harm. Always water slender sowthistle thoroughly after fertilizing to ensure nutrient distribution and prevent root burn.

Pruning: Prune slender sowthistle from early to late spring to promote bushier growth and remove overgrown stems. Clean wilted flowers and leaves to maintain aesthetics. This timing supports active growth, enhances airflow, and minimizes pest risks, leading to a healthier and more attractive garden specimen.

Propagation: Slender sowthistle thrives in well-drained soil and prefers full sun to partial shade. Scatter seeds thinly on a seedbed, as they need light to germinate. Water gently to keep conditions moist, and thin seedlings to prevent crowding for healthier growth.

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