Thapsia, commonly known as deadly carrot, is a perennial plant in the Apiaceae family. It features pinnate foliage and thrives best in full sun, ideally in a south-facing, sheltered position. This cultivar prefers fertile, well-drained loam soil with a neutral pH. Hardy to UK zone H4, it is suitable for ornamental use and is most notable during spring and summer. Propagation is typically by seed.

Thapsia, or deadly carrot, is a hardy perennial with pinnate foliage, ideal for full sun and fertile soil, offering ornamental interest in spring and summer.

Thapsia

Thapsis garganica is a species of the genus Thapsia in the carrot family, Apiaceae. It flowers in the UK from July to September. The species is of interest to botanists and specialist gardeners who focus on members of Apiaceae. Accurate identification relies on examination of the plant's reproductive structures and flowering period.

Thapsis garganica is a species in the genus Thapsia (Apiaceae) that flowers from July to September.

Thapsis garganica

Thapsis garganica | Thapsia (Apiaceae) Plant Guide

Thapsis villosa 2 forms is a species in the Apiaceae genus Thapsia and is notable for its summer flowering. It reliably blooms from July to September, a clear window for judging each form’s display. The suffix '2 forms' denotes that two distinct forms are recorded under this name and should be treated and observed separately. Gardeners will find the flowering period the most useful trait when planning seasonal interest.

Thapsis villosa 2 forms flowers from July to September and belongs to the Apiaceae family.