Overview
Cirsium rivulare 'Trevors Blue Wonder' is a clump-forming perennial perennial in the genus Cirsium, part of the Asteraceae family, with spiny, dark green leaves foliage. Cirsium rivulare 'Trevors Blue Wonder' grows best in full sun and partial shade, and tolerates moist and well-drained soil soils and neutral pH. Its UK hardiness is rated H7. Suggested uses include borders, cottage gardens and naturalistic plantings. It is native to Eastern Europe, Ukraine, Liechtenstein, Romania, Germany, Austria, Czech Republic and Bosnia-Herzegovina.
About
Cirsium rivulare is a species of flowering plant in the family Asteraceae, native to eastern and western Europe, adventive in Britain, and naturalised in Sweden and Belgium.
Wikipedia contributors, CC BY-SA 4.0 — Cirsium rivulare
About the genus
Cirsium is a genus of perennial and biennial flowering plants in the Asteraceae, one of several genera known commonly as thistles. They are more precisely known as plume thistles. These differ from other thistle genera in having a seed with a pappus of feathered hairs on their achenes.
Wikipedia contributors, "Cirsium", CC BY-SA 4.0 — Cirsium
Growing conditions
Best soil and position for Cirsium
- Sunlight
- full sun, partial shade
- Soil type
- moist, well-drained soil
- Soil pH
- Neutral
- Soil moisture
- moist
- Aspect
- South-facing
- Exposure
- Exposed
- UK hardiness
- H7
Plant details
Cirsium rivulare 'Trevors Blue Wonder' size, habit and characteristics
- Plant type
- perennial
- Habit
- Clump-forming perennial
- Foliage
- Spiny, dark green leaves
- Suggested uses
- borders, cottage gardens, naturalistic plantings
- Native to
- Eastern Europe, Ukraine, Liechtenstein, Romania, Germany, Austria, Czech Republic, Bosnia-Herzegovina
Care notes
Pruning and caring for Cirsium rivulare 'Trevors Blue Wonder'
- Cultivation
- Prefers moist, well-drained soil in full sun or partial shade; may require staking
- Pruning
- Deadhead spent flowers to encourage further blooming; cut back after flowering
- Propagation
- seed, division
- Pest resistance
- Generally pest-free
- Disease resistance
- Powdery mildew
Frequently asked questions
How do I grow Cirsium rivulare 'Trevors Blue Wonder'?
Prefers moist, well-drained soil in full sun or partial shade; may require staking.
Where is the best place to plant Cirsium rivulare 'Trevors Blue Wonder'?
Cirsium rivulare 'Trevors Blue Wonder' prefers full sun and partial shade. It suits exposed positions.
What soil does Cirsium rivulare 'Trevors Blue Wonder' need?
Cirsium rivulare 'Trevors Blue Wonder' grows best in moist and well-drained soil soil. It prefers neutral soil. Aim for soil that stays moist.
How do I prune Cirsium rivulare 'Trevors Blue Wonder'?
Deadhead spent flowers to encourage further blooming; cut back after flowering.
Is Cirsium rivulare 'Trevors Blue Wonder' hardy in the UK?
Cirsium rivulare 'Trevors Blue Wonder' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.
How do I propagate Cirsium rivulare 'Trevors Blue Wonder'?
Seed, division.
