Jacobaea erucifolia is an upright annual-biennial in the Asteraceae, grown for bedding and naturalistic planting. It carries pinnate, lobed leaves and flowers from June to September. Place it on south-facing, sheltered ground in neutral loam that drains freely. The species is native across temperate Eurasia, from western Europe through Siberia to East Asia.

Hoary Ragwort (Jacobaea erucifolia) is an upright annual-biennial for south-facing, well-drained neutral loam, flowering June to September.

Jacobaea is a genus of flowering plants in the tribe Senecioneae and the family Asteraceae. Its members used to be placed in the genus Senecio, but have been separated into the segregate genus Jacobaea on the basis of molecular phylogenetics in order to maintain genera that are monophyletic.

Jacobaea erucifolia

Hoary Ragwort (Jacobaea erucifolia) | Wildlife & Meadows

Jacobaea leucophylla is a cultivar of the Jacobaea genus, which includes around 35 species of herbaceous biennial or perennial plants known as Ragwort. This cultivar has an upright habit with pinnate, lobed foliage and produces bright yellow daisy-like flower clusters in spring and summer. It thrives in full sun on south-facing, sheltered sites with fertile, well-drained loam soil of neutral pH. Hardy to UK zone H5, it is suitable for wildlife gardens, meadows, and naturalistic planting, supporting pollinators despite the genus's known toxicity to horses and cattle.

Jacobaea leucophylla is a bright yellow-flowering perennial with pinnate foliage, ideal for wildlife gardens and naturalistic planting in full sun.

Jacobaea leucophylla

Jacobaea maritima, commonly known as silver ragwort, is a perennial plant species in the genus Jacobaea in the family Asteraceae, native to the Mediterranean region. It was formerly placed in the genus Senecio, and is still widely referred to as Senecio cineraria; see the list of synonyms (right) for other names.

Silver ragwort (Jacobaea maritima) is a hardy perennial for full sun, ideal for wildlife gardens and naturalistic planting in spring and summer.

Jacobaea maritima

Jacobaea maritima 'Diamond' is a cultivar of the Jacobaea genus, which includes about 35 species of herbaceous biennial or perennial plants known for their upright stems and pinnate, lobed leaves. This cultivar thrives in full sun with a south-facing, sheltered aspect and prefers fertile, well-drained loam soil of neutral pH. It is hardy to UK zone H5 and is best suited for wildlife gardens, meadows, and naturalistic planting. 'Diamond' is notable in spring and summer, contributing to the garden's ecological value by supporting pollinators.

Jacobaea maritima 'Diamond' is a hardy H5 perennial with upright stems, ideal for wildlife gardens and naturalistic planting in full sun during spring and