Stenanthium gramineum is a flowering species in the Melanthiaceae, commonly called death camass. It belongs to the genus Stenanthium and produces flowers from June to August. Taxonomic treatments for the genus vary, so accurate labelling is important when sourcing plants. Check the botanical name to ensure correct identification.

Death camass (Stenanthium gramineum) is a Melanthiaceae species that flowers from June to August.

Stenanthium is a North American genus of flowering plants in the tribe Melanthieae of the family Melanthiaceae.

Stenanthium gramineum

Death camass | Stenanthium gramineum

Stenanthium robustum is a species in the Melanthiaceae, placed in the genus Stenanthium and notable for its toxicity. It is native to the Southeastern United States. In the UK its flowering period runs from June to August. Take care when handling and keep the plant out of reach of children and pets.

Featherbells Stenanthium robustum flowers June to August and is toxic; it is native to the Southeastern United States.

Stenanthium robustum

Featherbells | Stenanthium robustum

Trillium erectum red-flowered is a clump-forming herbaceous perennial in the Melanthiaceae, notable for its red-flowered display in spring. It carries a whorl of three deciduous leaves and forms compact colonies. Plant in partial shade on moist but well-drained loam or sandy soils in a sheltered north-, east- or west-facing position where it is hardy (H5). Flowers appear April to May.

Red Trillium (Trillium erectum red-flowered) favours partial shade on moist, well-drained loam or sand and flowers April to May.

Trillium is a genus of about fifty flowering plant species in the family Melanthiaceae. Trillium species are native to temperate regions of North America and Asia, with the greatest diversity of species found in the southern Appalachian Mountains in the southeastern United States.

Trillium erectum red-flowered

Red Trillium | Trillium erectum red-flowered

Veratrum grandiflorum is a perennial known as Large-flowered False Hellebore that produces large flower clusters in early summer. Native to East Asia, including China, it flowers in the UK from June to July. It prefers full sun to partial shade in moist, rich, well-drained soils with an acidic to neutral pH. All parts of the plant are highly toxic, so handle with caution.

Large-flowered False Hellebore (Veratrum grandiflorum) blooms June to July and suits moist, acidic to neutral soils in sun or partial shade.

Veratrum is a genus of flowering plants in the family Melanthiaceae. It occurs in damp habitats across much of temperate and subarctic Europe, Asia, and North America.

Veratrum grandiflorum

Large-flowered False Hellebore | Veratrum grandiflorum

Veratrum stenophyllum is an herbaceous perennial in the Melanthiaceae that bears erect stems topped by panicles of white or brown flowers. It flowers in June to July. The species favours deep, wet soils and is typically found in damp, montane and waterside situations. Its underground black rhizomes contain potent poisons, so handle with care.

False Hellebore (Veratrum stenophyllum) is a moisture-loving perennial with panicles of white or brown flowers in June to July.

Veratrum stenophyllum

False Hellebore | Veratrum stenophyllum

Veratrum wilsonii is a perennial species in the Melanthiaceae, commonly called False Hellebore. Native to China, it produces its main flowers in June to July. All parts of the plant are toxic, so it must be handled with caution. It is a member of the genus Veratrum and is grown primarily by specialist collectors.

Veratrum wilsonii (False Hellebore) is a Chinese native that flowers in June to July and is toxic, so handle with care.

Veratrum wilsonii

False Hellebore | Veratrum wilsonii

Veratrum yunnanense is a vigorous herbaceous perennial in the Melanthiaceae from Yunnan, China, producing erect stems topped by panicles of white or brown flowers. It favours deep, wet soils and open positions in the landscape. The plant has strongly poisonous black rhizomes, so care is needed during planting and removal. Flowering occurs June to July.

False Hellebore (Veratrum yunnanense) from Yunnan bears white or brown flowers in June to July and prefers deep, wet soils.