Overview
Juncus bulbosus is a clump-forming grass like in the genus Juncus, part of the Juncaceae family, with narrow, cylindrical leaves foliage. Juncus bulbosus grows best in full sun and partial shade, and tolerates most soils and any pH. Its UK hardiness is rated H4. Suggested uses include pond margins, wetland areas and bog gardens.
About
Juncus bulbosus, the bulbous rush, is a species of flowering plant in the family Juncaceae, native to Iceland, the Faroes, Europe, Macaronesia, and northwest Africa. It has been introduced to Australia, New Zealand, and some locations in northern North America. It is capable of nuisance growth in lakes and streams. Grow it in full sun and partial shade and most soil types. In UK gardens it is hardy through an average UK winter (RHS H4). It works well for pond margins, wetland areas and bog gardens. It tolerates soil of any pH, wet, moist conditions and north, south, east and west-facing aspects. Plant out after last frost in fertile, well-drained soil.
Wikipedia contributors, CC BY-SA 4.0 — Juncus bulbosus
Growing conditions
Best soil and position for Juncus
- Sunlight
- Full sun, Partial shade
- Soil type
- Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Wet, Moist
- Aspect
- North, South, East, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H4
Plant details
Juncus bulbosus size, habit and characteristics
- Plant type
- Grass Like
- Habit
- Clump-forming
- Foliage
- Narrow, Cylindrical leaves
- Suggested uses
- Pond margins, Wetland areas, Bog gardens
Care notes
Pruning and caring for Juncus bulbosus
- Propagation
- Division, Seed
- Pest resistance
- High
- Disease resistance
- High
Frequently asked questions
Where is the best place to plant Juncus bulbosus?
Juncus bulbosus prefers full sun and partial shade. It suits exposed and sheltered positions.
What soil does Juncus bulbosus need?
Juncus bulbosus is adaptable and grows happily in most soil types, including clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays wet to moist.
Is Juncus bulbosus hardy in the UK?
Juncus bulbosus has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Juncus bulbosus?
Division, Seed.
More in the Juncus genus
- Juncusrush
- Juncus articulatusjointed rush
- Juncus balticusBaltic rush
- Juncus balticus 'Spiralis'
- Juncus decipiens 'Curly-wurly'
- Juncus dudleyi
- Juncus filiformisthread rush
- Juncus nodosus
