Sisyrinchium ( North Star Sisyrinchium )

Semi-evergreen perennial that forms clumps. Leaves are narrow and linear reaching 16 inches. Erect stems bear continual star-shaped, white flowers with yellow throats through summer. Ideal in rock garden or gravel planting.

Sinowilsonia henryi ( Sinowilsonia )

(Plant height:25 feet) Small tree or spreading shrub ideal in a shrub border or woodland garden. Leaves are oval to elliptic, toothed, and bristly. Catkin-like racemes of green flowers bloom in spring followed by woody fruit.

Sinojackia rehderiana ( Sinojackia )

(Plant width:15 feet) (Plant height:15 feet) Bushy shrub or spreading tree ideal in a woodland garden amongst other shrubs and trees. Leaves are dark green, elliptic to oval, and shiny. Star-shaped, pendent white flowers with yellow stamens bloom in late […]

Sinningia speciosa ( Gregor Mendel Florists Gloxinia )

Unusual plant related to African Violets, with some similar care needs. Ovate, dark green leaves with scalloped edges and soft hairs, 8″ to 12″ long. Blooms are trumpet-shaped, gently split into five petals, to 2″ across, borne in summer. ‘Gregor […]

Sinningia speciosa ( Champers Florists Gloxinia )

Unusual plant related to African Violets, with some similar care needs. Ovate, dark green leaves with scalloped edges and soft hairs, 8″ to 12″ long. Blooms are trumpet-shaped, gently split into five petals, to 2″ across, borne in summer. ‘Champers’ […]

Sinningia pusilla ( White Sprite Miniature Gloxinia )

Unusual plant with pea-sized tubers related to African Violets, with some similar care needs. Ovate, dark green leaves with scalloped edges, soft hairs, and red-veined undersides, to 1/2″ long. Flowers are single, tubular, nodding, pure white, to 1/2″ long. Blooms […]