Overview
Inula royleana is a perennial herb in the genus Inula, part of the Asteraceae family. It typically grows around 0.6 m tall. Inula royleana grows best in full sun, and tolerates most soils. Its UK hardiness is rated H7. It is native to Pakistan and Western Himalayas.
About
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.
Wikipedia contributors, CC BY-SA 4.0 — Inula royleana
About the genus
Inula is a genus of about 80 species of flowering plants in the family Asteraceae, native to Europe, Asia and Africa.
Wikipedia contributors, "Inula", CC BY-SA 4.0 — Inula
In the garden
Inula royleana is a perennial herb in the Asteraceae, native to Pakistan and the western Himalayas. Plants typically grow to around 0.6 m and produce their flowers between July and September. Its origin in mountainous regions suggests a tolerance of a range of soil textures, which aligns with its ability to grow in sandy, loamy or clay substrates. Site the plant in full sun and choose a spot where soils stay moist but drain freely; avoid winter waterlogging. The species is fully hardy in the UK (H7), so it will survive normal winter conditions across the country, and it also corresponds to USDA hardiness zones 5–9. These factors mean it copes with a broad band of temperate climates when sited correctly. At roughly 0.6 m tall, Inula royleana fits well in the middle of herbaceous borders, in sunny mixed beds or on a sunny bank where moisture is consistent. Its summer flowering period—July to September—places it alongside other sun-loving perennials that carry interest through mid to late summer. Expect flowering from July to September at a mature height near 0.6 m.
Growing conditions
Best soil and position for Inula
- Sunlight
- Full sun
- Soil type
- Sandy, Loamy, Clay
- Soil moisture
- Moist but well-drained
- Exposure
- Full sun
- UK hardiness
- H7
Plant details
Inula royleana size, habit and characteristics
- Plant type
- Perennial herb
- Height
- 0.6 m
- Native to
- Pakistan, Western Himalayas
Care notes
Pruning and caring for Inula royleana
- Propagation
- Seed
Frequently asked questions
Where is the best place to plant Inula royleana?
Inula royleana prefers full sun. It suits full sun positions.
What soil does Inula royleana need?
Inula royleana is adaptable and grows happily in most soil types, including sandy, loamy and clay. Aim for soil that stays moist but well-drained.
How big does Inula royleana grow?
Inula royleana reaches a height of 0.6 m.
Is Inula royleana hardy in the UK?
Inula royleana has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Inula royleana?
Seed.
