A semi-evergreen perennial suitable for rock gardens. Leaves form in rosettes. The solitary flowers lack stalks. Blooms in fall.

A spreading perennial, with prostrate, branched stems. Clusters of flowers appear in late summer. Dies back in winter.

An upright, clump-forming perennial, suitable for bog gardens. Flowers appear in clusters, in late summer. Dies back in winter.

A semi-evergreen perennial, suitable for rock gardens. Leaves form on rosettes. Solitary flowers appear on long stalks in summer.

An upright, clump-forming perennial, suitable for bog gardens. Flowers appear in clusters, in late summer. Dies back in winter.

An upright perennial that dies back in winter. Flowers appear in late summer.

An evergreen perennial suitable for rock gardens. Solitary flowers appear in late spring and early summer.

A semi-evergreen, trailing perennial, suitable for rock gardens. Leaves form in rosettes. The solitary flowers appear in early fall.

A branched perennial, flowering in summer.

A herbaceous, spreading perennial. Leaves form on rosettes. Flowers are stalkless and appear in late summer.