Cyperus alternifolius L.
umbrella plant
A densely tufted perennial sedge to 90cm tall. Numerous dark green stems each bear a terminal whorl of leaf-like bracts to 15cm long; these arch and fan out somewhat like umbrella spokes. From summer to autumn the stems are topped with small spikelets of tiny brown flowers
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Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Brown | Green | ||
| Autumn | Brown | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Cyperaceae
- Native to GB / Ireland
- No
- Foliage
- Semi evergreen
- Habit
- Clump forming, Columnar upright
- Genus
Cyperus can be annuals or evergreen, rhizomatous perennials, with linear, grass-like leaves and terminal clusters of small greenish flower-spikes with spreading leaf-like bracts beneath
- Name status
Correct
- Plant range
- Africa & Arabian Penin.
How to grow
Cultivation
Grow in a pot of peat-free, loam-based compost either outdoors or in bright filtered light. Stand the container in shallow tray of water to ensure ample moisture at all times. Apply a balanced liquid feed monthly during the growing season
Propagation
Propagate by division or by inverting a cut stem in water; plantlets will develop from the crown of the submerged stem
Suggested planting locations and garden types
- Patio and container plants
- Houseplants
- Conservatory and greenhouse
Pruning
Trim off dead or dying stems
Pests
Generally pest-free
Diseases
Generally disease-free
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