Echium candicans, the Pride of Madeira, is a species of flowering plant in the family Boraginaceae, and genus Echium, native to the island of Madeira. It is a large herbaceous perennial subshrub, growing to 1.5–2.5 m (4 ft 11 in – 8 ft 2 in). In the first year after germination, the plant produces a broad rosette of leaves. In the second and subsequent years, more or less woody flowering stalks are produced clothed in rough leaves. It grows to around 1.5-2.5 metres tall and 1.5-2.5 metres wide, carrying evergreen foliage. Grow it in full sun and most soil types. It tolerates alkaline and neutral soils, well-drained conditions and south-facing and west-facing aspects.

https://en.wikipedia.org/wiki/Echium_candicans

Echium candicans

Echium decaisnei is a bushy, rosette-forming biennial or short-lived perennial cultivar within the Echium genus, known for its simple, coarsely hairy leaves and summer funnel-shaped flowers. This cultivar features evergreen, lance-shaped, bristly-hairy foliage and thrives best in full sun on south-facing, sheltered sites with well-drained, neutral loam soil. Hardy to H1c, it is suitable for borders, containers, coastal, and wildlife gardens. Propagation is by seed sown in summer, with seedlings overwintered at 5-7°C, and plants should be set out after the last frost.

Echium decaisnei is a bushy biennial with evergreen lance-shaped leaves and summer funnel-shaped flowers, ideal for borders and coastal gardens in full sun.

Echium decaisnei

Echium vulgare, known as viper's bugloss and blueweed, is a species of flowering plant in the borage family Boraginaceae. It is native to most of Europe and western and central Asia and it occurs as an introduced species in north-eastern North America, south-western South America and the South and North Island of New Zealand.

Echium vulgare, or viper's bugloss, thrives in full sun and is hardy to H4, ideal for borders, containers, meadows, and conservatories.

https://en.wikipedia.org/wiki/Echium_vulgare

Echium vulgare

Echium vulgare 'Devil's Blood' is a biennial cultivar of the Echium genus, which includes a range of annuals, biennials, perennials, and shrubs with coarsely hairy leaves. This cultivar has an upright, columnar habit and evergreen foliage. It thrives in full sun on south-facing, sheltered sites with fertile, well-drained loam soil of neutral pH. Flowering occurs in spring and summer, producing funnel-shaped flowers in dense spikes. Suitable for borders, containers, meadows, and conservatories, it is hardy to UK zone H1c and can be propagated by seed or semi-ripe cuttings.

Echium vulgare 'Devil's Blood' is a biennial with upright habit and evergreen foliage, ideal for borders and containers in full sun from spring to summer.