Overview
Cyperus difformis is a bushy conservatory greenhouse in the genus Cyperus, part of the Cyperaceae family, with evergreen foliage. Cyperus difformis grows best in full sun and partial shade, and tolerates loam soils and any pH. Its UK hardiness is rated H1c. Suggested uses include patio and container plants.
About
Cyperus difformis, commonly known as dirty Dora, is a bushy, evergreen cultivar within the Cyperus genus, which comprises annual or evergreen, rhizomatous perennials with narrow, grass-like foliage. This cultivar thrives in conservatories or greenhouses and is suited to boggy conditions. It prefers well-drained loam soil with a pH ranging from acid to alkaline and grows best in full sun or partial shade, ideally in sheltered, south-, west-, or east-facing aspects. Cyperus difformis is hardy to UK zone H1c and is often used as a patio or container plant, with interest spanning spring to autumn.
Growing conditions
Best soil and position for Cyperus
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Poorly-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H1c
Plant details
Cyperus difformis size, habit and characteristics
- Plant type
- Conservatory Greenhouse, Grass Like, Bogs
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- Patio and container plants
Care notes
Pruning and caring for Cyperus difformis
- Propagation
- Seed, Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Cyperus difformis?
Cyperus difformis prefers full sun and partial shade. It suits sheltered positions.
What soil does Cyperus difformis need?
Cyperus difformis grows best in loam soil. It is happy in soil of any pH. Aim for soil that stays poorly-drained.
Is Cyperus difformis hardy in the UK?
Cyperus difformis has an RHS hardiness rating of H1c, meaning it needs a warm, frost-free position of 5–10°C and is best grown under glass in the UK.
How do I propagate Cyperus difformis?
Seed, Division.
