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Sonchus novae-zelandiae

Sonchus novae-zelandiae
Photo: John Barkia, CC BY 4.0

Sonchus novae-zelandiae, the dryland sow thistle, is a small perennial thistle-like daisy from the South Island of New Zealand, where it grows in stony, rocky ground and is classed as nationally vulnerable. It is a wild, conservation-listed species rarely grown in gardens, so care is mainly about giving it free-draining, rocky conditions.

Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly, letting the soil dry out between waterings.
Soil
Very free-draining, gritty or rocky mix.
Temperature
Cool to mild temperate conditions; hardy to light frost.
How easy
Hard
Native range
New Zealand South I.
Climate
temperate

About

Sonchus novae-zelandiae, commonly known as the dryland sow thistle, is a species of thistle in the family Asteraceae. It is endemic to the South Island of New Zealand and it is considered to be an endangered species.

Where it grows

Sonchus novae-zelandiae is endemic to the South Island of New Zealand. It is found in stony habitats like rocky slops and crevices. The New Zealand Plant Conservation Network has assessed the vulnerability of the species several times. It was noted that the population of dryland sow thistle was sparse in 2004. In 2007, 2012, and 2017 the species was assessed as Nationally Vulnerable. The plant is declining in much of its range, and is possibly being forced out by Pilosella.

Other Sonchus plants

Giant Dandelion · Sonchus adscendens · Field sowthistle · Spiny sowthistle · Sonchus berteroanus · Sonchus bornmuelleri · Seashore Sowthistle · Cabbage Tree · Sonchus canariensis · Sonchus capillaris · Sonchus congestus · Sonchus daltonii

Text excerpted from the Wikipedia article Sonchus novae-zelandiae by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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