A picture of a German Knotgrass

German Knotgrass

Scleranthus spp.

Flickr - brewbooks - Scleranthus uniflorus (I think) by brewbooks (CC BY-SA 2.0)

Full Sun

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German Knotgrass Overview

A small genus of flowering herbaceous plants in the pink or carnation family some of whom are endemic to Eastern Australasia and others native to parts of Europe, Africa and Asia. They are commonly known as knawel or German knotweed and in cultivation are grown usually in rock gardens for their creeping cushions of dense moss-like foliage. They thrive in full sun.

How to propagate German Knotgrass

Cuttings

Propagation is from seeds or cuttings.

Seed

Division

By division.