Overview

Trollius ledebourii 'Imperial Orange' is a perennial in the genus Trollius, part of the Ranunculaceae family. Trollius ledebourii 'Imperial Orange' grows best in full sun and partial shade, and tolerates moist and well-drained soil soils and neutral and slightly acidic pH. Its UK hardiness is rated H5. Suggested uses include borders, water gardens and moist woodland gardens. It is native to Siberia and Russian Far East.

About

Trollius ledebourii 'Imperial Orange' is a perennial in the Ranunculaceae grown for its globe-like orange flowers. It flowers in the UK from May to July. Plant it in full sun or partial shade in moist, neutral to slightly acidic, well-drained soil; it is rated H5 (hardy) for UK conditions. Suitable uses include borders, water gardens and moist woodland plantings.

About the genus

Trollius is a genus of about 30 species of flowering plants closely related to Ranunculus, in the family Ranunculaceae. The common name of some species is globeflower or globe flower. The generic name is derived from the Swiss-German word "Trollblume", meaning a rounded flower.

Wikipedia contributors, "Trollius", CC BY-SA 4.0Trollius

In the garden

Trollius ledebourii 'Imperial Orange' is a perennial globe-flower from the Ranunculaceae, originating in Siberia and the Russian Far East. As a member of the Trollius group it brings a late-spring to early-summer floral presence, with blooms appearing in the UK between May and July. Position the plant where soil stays moist but drains freely; neutral to slightly acidic ground suits it best. It tolerates full sun or partial shade — in warmer, exposed sites give afternoon shelter so the soil does not dry out. The H5 hardiness rating means it is hardy across most of the UK garden, able to withstand typical winter frosts when established. Use Trollius ledebourii 'Imperial Orange' at the margins of ponds and streams, in moist woodland borders or mixed perennial beds where soil moisture is reliable. Grouped plantings will emphasise its rounded flower heads during the May–July season and work well against darker-leaved companions that hold up through summer.

Growing conditions

Best soil and position for Trollius

Sunlight
full sun, partial shade
Soil type
moist, well-drained soil
Soil pH
neutral, slightly acidic
Soil moisture
moist
UK hardiness
H5

Plant details

Trollius ledebourii 'Imperial Orange' size, habit and characteristics

Plant type
perennial
Suggested uses
borders, water gardens, moist woodland gardens
Native to
Siberia, Russian Far East

Care notes

Pruning and caring for Trollius ledebourii 'Imperial Orange'

Cultivation
Prefers moist, humus-rich soil; avoid dry conditions; mulch in winter.
Pruning
Remove spent flowers to encourage further blooming; cut back after flowering.
Propagation
Division in spring or autumn; seed propagation possible but slow.

Frequently asked questions

How do I grow Trollius ledebourii 'Imperial Orange'?

Prefers moist, humus-rich soil; avoid dry conditions; mulch in winter.

Where is the best place to plant Trollius ledebourii 'Imperial Orange'?

Trollius ledebourii 'Imperial Orange' prefers full sun and partial shade.

What soil does Trollius ledebourii 'Imperial Orange' need?

Trollius ledebourii 'Imperial Orange' grows best in moist and well-drained soil soil. It prefers neutral and slightly acidic soil. Aim for soil that stays moist.

How do I prune Trollius ledebourii 'Imperial Orange'?

Remove spent flowers to encourage further blooming; cut back after flowering.

Is Trollius ledebourii 'Imperial Orange' hardy in the UK?

Trollius ledebourii 'Imperial Orange' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Trollius ledebourii 'Imperial Orange'?

Division in spring or autumn; seed propagation possible but slow.

More in the Trollius genus

Browse all Trollius