Inula Hookeri is a species in the genus Inula. It flowers in the UK from July to September. Specific notes on appearance, size and culture vary between sources, so check nursery labels or specialist references for the exact plant you buy. Gardeners should confirm supplier care instructions before choosing a position.

Inula Hookeri flowers in the UK from July to September, so consult specialist sources and supplier notes for cultivation guidance.

Inula Hookeri

Inula Hookeri | Summer-flowering Inula

Inula ensifolia is a perennial in the Asteraceae with narrow, sword-like leaves. It flowers in the UK from July to September. Plants perform best in well-drained sandy or loamy soils at neutral to alkaline pH and take full sun or partial shade. H5 hardiness means it will withstand most UK winters if sited in a sheltered spot.

Sword-leaved Inula (Inula ensifolia) thrives in well-drained, neutral to alkaline soil and flowers July to September.

Inula is a genus of about 80 species of flowering plants in the family Asteraceae, native to Europe, Asia and Africa.

Inula ensifolia

Sword-leaved Inula | Inula ensifolia

Inula glandulosa is a species in the daisy family Asteraceae, placed in the genus Inula. It flowers from July to September. As a member of Asteraceae it bears composite flowerheads formed from many small florets. Specific size, colour and site requirements vary by strain and should be confirmed with the supplier or reference flora.

Inula glandulosa blooms July to September and belongs to the Asteraceae genus Inula.

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

Chrysopsis are plants in the family Asteraceae native to the southern and eastern United States. All the species are found in Florida, although some are found in other states as well.

Inula glandulosa

Inula magnifica is a tall herbaceous perennial reaching about 1.8 metres, noted for its late-summer flowering from July to September. Native to the Caucasus and part of the Asteraceae family, it performs best in moist, well-drained soil in full sun or partial shade. It is rated H5 (hardy) for UK gardens and suits positions at the back of borders or in cottage-garden schemes. Allow space for its height when planting near lower-growing neighbours.

Giant Inula (Inula magnifica) is a 1.8-m herbaceous perennial from the Caucasus that flowers July to September and prefers moist, well-drained soil.

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

Inula magnifica

Giant inula | Inula magnifica

Inula oculis-christi is a species in the genus Inula within the family Asteraceae. In the UK it flowers from July to September. Specific growth habit and cultural needs can vary among members of the genus, so confirm details for this particular taxon before planting. Sourcing from a specialist nursery or specimens with clear provenance helps ensure correct identification.

Inula oculis-christi flowers in the UK from July to September and belongs to the genus Inula in the Asteraceae family.

Inula oculis-christi

Inula racemosa is a perennial herb in the Asteraceae that sends up flowering stems to about 2.0 m. It flowers in the UK from July to September. Plant in full sun in moist but well-drained soils and allow room for its height. The species originates from the region stretching from Afghanistan to China.

Indian elecampane (Inula racemosa) is a 2.0 m perennial herb flowering July to September, suited to full sun and moist, well-drained soils.

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

Inula racemosa

Indian elecampane | Inula racemosa

A perennial herb in the daisy family, Inula royleana reaches about 0.6 m and flowers from July to September. Native to Pakistan and the western Himalayas, it prefers full sun and tolerates sandy, loamy or clay soils so long as they remain moist but well drained. It is fully hardy (H7) in the UK and also suits USDA zones 5–9. It occupies a mid-border height and provides summer flowering interest.

Inula royleana is a perennial from the western Himalayas that flowers July to September and suits full sun in moist, well-drained soils.