Seseli arenarium is a species in the genus Seseli, placed in the Apiaceae (carrot) family. It flowers from July to September. Available references treat it as a distinct taxon within Seseli and list its flowering season as mid to late summer. Consult specialist literature or suppliers for detailed cultivation notes before adding it to a collection.

Seseli arenarium is a species in the Apiaceae that flowers from July to September.

Seseli is a genus of herbaceous perennial plants in the family Apiaceae. They are sometimes woody at base with a conic taproot.

Seseli arenarium

Seseli elatum osseum is a herbaceous perennial in the carrot family Apiaceae, notable for its compound umbels of white or yellow flowers. Leaves are 1–3-pinnate to pinnately decompound, reflecting the finely divided foliage typical of the genus. Plants in this group can be woody at the base and often develop a conic taproot. Flowering occurs July to September.

Seseli elatum osseum produces compound umbels of white or yellow flowers and blooms from July to September.

Seseli elatum osseum

Seseli elatum subsp. osseum is a herbaceous perennial in the Apiaceae that produces compound umbels with white or yellow petals. Leaves are pinnately divided, the blades 1–3-pinnate, and the plant can develop a woody base with a conic taproot. Flowering occurs from July to September in the UK, followed by ovoid to ellipsoid fruits.

Seseli elatum subsp. osseum is a perennial Apiaceae with compound umbels and white or yellow petals, flowering July to September in the UK.

Seseli elatum subsp. osseum

Seseli montanum subsp. montanum is a clump-forming member of the Apiaceae with a columnar, tufted habit and a variable life-cycle (annual, biennial or herbaceous perennial). The foliage is deciduous and plants produce flowers in the UK from July to September. It favours full sun on well-drained chalk, loam or sandy soils with neutral to alkaline pH and prefers a south- or west-facing, sheltered spot. Suited to gravel gardens, informal and cottage borders, and as a source of cut flowers.

Seseli montanum subsp. montanum is a clump-forming Apiaceae that flowers July to September and prefers full sun on well-drained neutral to alkaline soils.

Seseli montanum subsp. montanum

Seseli montanum subsp. montanum | Upright umbellifer

Seseli pallasii is a member of the Apiaceae genus Seseli, producing compound umbels of small white or yellow flowers. Plants in this genus are herbaceous perennials that can develop a woody base and a conical taproot, with pinnate leaf blades. Flowering in the UK occurs from July to September, concentrating the display in mid to late summer.

Seseli pallasii produces compound umbels of white or yellow flowers and blooms in the UK from July to September.