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Grass LikeBogs

Cyperus glaber

A short-lived perennial to 50cm tall forming a basal clump of grass-like leaves. Triangular flower stems are topped with a rosette of flat, pointed leaves with up to eight, dense clusters of flowers arising from the joints of each of these leaves like spokes of an upturned umbrella

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Clay

Loam

Moisture

Poorly–drained, Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or South–facing or West–facing

Exposure

Exposed or Sheltered

Hardiness
Hardiness ratings
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
H1a: under glass all year (>15C)
H1b: can be grown outside in the summer (10 - 15)
H1c: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20)

Botanical details

Family: Cyperaceae
Native to GB / Ireland: No
Foliage: Evergreen
Habit: Tufted
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

How to grow

Cultivation

Grow outdoors in any moderately fertile, moist but well drained to boggy soil in full sun to partial shade

Propagation

Propagate by division or by seed

Suggested planting locations and garden types

Patio and container plants
Cut flowers

Pruning

Cut back dead material in autumn

Pests

Generally pest-free

Diseases

Generally disease-free

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