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Calandrinia spectabilis (Rock Purslane)


Scientific Name

Calandrinia spectabilis Otto & A.Dietr.

Common Names

Rock Purslane


Claytonia spectabilis

Scientific Classification

Family: Montiaceae
Genus: Calandrinia


Calandrinia spectabilis is a spectacular, shrubby perennial, up to 8 inches (20 cm) tall, with succulent, light to mid-green, diamond-shaped leaves. The leaves have soft hair and smooth margins. Flowers are poppy-shaped, bright magenta, and rise above the foliage on up to 2 feet (60 cm) long stalks. Flower production starts in spring and continues until fall.

Calandrinia spectabilis (Rock Purslane)

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USDA hardiness zones 8a to 10b: from 10 °F (−12.2 °C) to 40 °F (+4.4 °C).

How to Grow and Care

Calandrinias are very easy to care for as they can tolerate prolonged dry periods. They do not like to much water, especially in the winter. Plants can grow as a short-lived perennial in warm regions but should be grown as annuals elsewhere. Propagate by taking cuttings or allow plants to self-seed in situ.

If you plan to grow outdoors from seed, then Calandrinia species should be sown at a depth of 0.1 inches (3 mm) after the last frost of spring. If you prefer to start Calandrinias as seeds indoors, then they should be started about eight weeks before they are due to be put out.

They should be grown at a temperature of 55 to 60 °F (13 to 16 °C) and take from 1 to 2 weeks to germinate. The seedlings of Calandrinia should be planted out with a spacing of about 8 inches (20 cm) following the last possible frost of spring into an area that receives plenty of sunlight and into a gritty or sandy soil. See more at How to Grow and Care for Calandrinia.


Calandrinia spectabilis native to Chile.


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