Agastache 'Black Adder' is a cultivar of Agastache in the mint family Lamiaceae, carrying the aromatic, herbaceous character of its genus. Like other Agastache, it produces upright flower spikes of tubular, two-lipped blooms and leafy stems. It flowers from July to October. The plant suits garden situations where long summer–autumn bloom is wanted.

Agastache 'Black Adder' is an Agastache cultivar in the Lamiaceae that flowers from July to October, offering upright summer–autumn spikes.

Agastache 'Black Adder'

Agastache 'Black Adder' | July–October Blooms

Agastache 'Firebird' is a cultivar of Agastache in the mint family Lamiaceae that bears the tall, vertical flower spikes typical of the genus. It has aromatic, toothed, lance-shaped leaves and produces tubular, two-lipped flowers over an extended season. Expect blooms from July to October, providing sustained summer into autumn interest.

Agastache 'Firebird' is an aromatic Agastache perennial that flowers from July to October with upright spikes of tubular blooms.

Agastache 'Firebird'

Agastache 'Firebird' | Summer to Autumn Blooms

Agastache 'Fragrant Delight' is a clump-forming, bushy herbaceous perennial belonging to the genus Agastache, known for its aromatic foliage and small tubular flowers arranged in compact spikes during summer and autumn. This cultivar thrives in full sun with a south-facing, sheltered aspect and prefers fertile, well-drained loam soil with a neutral pH. Hardy to UK zone H4, it is suitable for borders, cottage gardens, wildlife gardens, and city or courtyard settings. Propagation is by seed or division in spring, with interest primarily in spring and summer.

Agastache 'Fragrant Delight' is a hardy herbaceous perennial with aromatic foliage and compact summer to autumn flowers, ideal for borders and wildlife gardens.

Agastache 'Fragrant Delight'

Agastache 'Tangerine Dreams' is an aromatic herbaceous perennial in the mint family, cultivated for its upright spikes of tubular, two-lipped flowers that appear from July to October. It bears stiff, angular stems with toothed, lance-shaped leaves and produces flower spikes at the stem tips. Members of the genus Agastache typically range from 0.5–3 metres tall, so this cultivar contributes clear vertical structure in a mixed border. The flowering period runs from July to October, extending the season into autumn.

Agastache 'Tangerine Dreams' is an aromatic herbaceous perennial with upright flower spikes that bloom from July to October.

Agastache 'Tangerine Dreams'

Agastache 'Tangerine Dreams' | Flowers July–October

Agastache aurantiaca 'Peach Margarita' (Cocktail Series) is a clump-forming, bushy herbaceous perennial belonging to the genus Agastache, known for its fragrant foliage and small tubular flowers arranged in compact spikes during summer and autumn. This cultivar thrives in full sun on a south-facing, sheltered aspect with fertile, well-drained loam soil of neutral pH. It is hardy to UK zone H4 and is suitable for borders, cottage gardens, wildlife gardens, city and courtyard gardens, and flower beds. 'Peach Margarita' features aromatic foliage and is best propagated by seed or division in spring.

Agastache aurantiaca 'Peach Margarita' is a hardy herbaceous perennial with fragrant foliage and compact summer flowers, ideal for borders and wildlife gardens.

Agastache aurantiaca 'Peach Margarita' (Cocktail Series)

Agastache breviflora is a herbaceous perennial cultivar within the Agastache genus, known for its clump-forming, bushy habit and aromatic foliage that may appear green, greyish-green, or bronze-tinged. This plant produces small tubular flowers arranged in compact spikes during the spring and summer months. It thrives best in full sun with a south-facing, sheltered aspect, preferring fertile, well-drained loam soil of neutral pH. Hardy to UK zone H4, it is suitable for borders, cottage gardens, and wildlife-friendly spaces, and can be propagated by seed or division in spring.

Agastache breviflora is a hardy herbaceous perennial with aromatic foliage and small tubular flowers, perfect for sunny borders and wildlife gardens in spring

Agastache is a genus of aromatic flowering herbaceous perennial plants in the family Lamiaceae. It contains 22 species, mainly native to North America, one species native to eastern Asia.

Agastache breviflora

Agastache nepetoides, commonly known as yellow giant hyssop, is a perennial flowering plant native to the central and eastern United States and Canada. It is a member of the Lamiaceae (mint) family.

Agastache nepetoides, or yellow giant hyssop, is a hardy perennial for full sun, ideal for borders, gravel gardens, and containers.

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

Agastache nepetoides

Agastache pallida is a herbaceous perennial cultivar within the Agastache genus, known for its clump-forming, bushy habit. Like others in its genus, it features aromatic foliage that may be green, greyish-green, or bronze-tinged. It produces small tubular flowers arranged in compact spikes during the summer and autumn months. This cultivar thrives in full sun on a south-facing, sheltered aspect with fertile, well-drained loam soil of neutral pH. Hardy to UK zone H4, it is suitable for borders, cottage gardens, wildlife gardens, and city or courtyard flower beds.

Agastache pallida is a hardy herbaceous perennial with aromatic foliage, ideal for sunny borders and wildlife gardens in spring and summer.