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Knotted pearlwort

Sagina nodosa

Also called Knotted Sandwort

Knotted pearlwort
Photo: Britton, N.L., and A. Brown. 1913. Illustrated flora of the northern states and Canada. Vol. 2: 52., Public domain

Knotted pearlwort is a small, low-growing perennial of cool northern regions, forming mats of paired leaves with tiny white star-shaped flowers. It is a hardy wild plant that prefers cool, moist, open ground rather than hot or dry conditions.

Family
Caryophyllaceae (Pink & carnation family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Keep the soil evenly moist, especially in summer, but avoid waterlogging.
Soil
Moist, humus-rich or sandy loam with good drainage.
Temperature
5–20 °C; very cold hardy, dislikes prolonged heat above about 27 °C.
How easy
Easy
Native range
Subarctic America to NC. & NE. U.S.A., Europe to Siberia and Caucasus
Climate
temperate

About

Sagina nodosa, the knotted pearlwort, is a species in the genus Sagina, native to northern Europe. It is a low-growing plant up to 15 cm tall, with paired leaves up to 1 cm long. The flowers are 5–10 mm diameter, with five white petals.

Other Sagina plants

Annual pearlwort · Trailing pearlwort · Sea pearlwort · Stickystem pearlwort · Sagina pilifera · Procumbent Pearlwort · Arctic pearlwort · Sagina stridii · Awl-leaf pearlwort · Pearlwort

Text excerpted from the Wikipedia article Sagina nodosa 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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