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Grass Like

Carex siderosticta 'Shima-nishiki' (v)

creeping broad-leaved sedge 'Shima-nishiki'

Low, slowly spreading, deciduous perennial, about 20-30cm tall, forming clumps of broadly, linear pale to bright green leaves, edged and lightly striped creamy-yellow. Pale brown flower spikes open on stems to 30cm long, within the foliage, during late spring

Synonyms

Carex albociliata 'Shima Nishiki'
Carex siderosticta 'Island Brocade'

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Ultimate height

0.1–0.5 metres

Time to ultimate height

2–5 years

Ultimate spread

0.5–1 metres

Clay

Loam

Moisture

Moist but well–drained, Poorly–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Full sun
Partial shade

Aspect

East–facing or North–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: Deciduous
Habit: Clump forming, Tufted
Genus: Carex can be deciduous or evergreen, rhizomatous or tufted perennials, with triangular stems bearing linear or strap-shaped leaves and short or long spikes of tiny green or brown flowers
Name status: Accepted

How to grow

Cultivation

Grow in fertile, moist or wet soils in sun or part shade. Ideal for waterside locations. See ornamental grasses cultivation

Propagation

Propagate by division in mid spring to early summer

Suggested planting locations and garden types

Cottage and informal garden
Flower borders and beds
Garden edging
Ground cover

Pruning

Tidy as foliage dies down at the end of the growing season

Pests

May be susceptible to aphids

Diseases

Generally disease-free

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