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Carex atlantica subsp. capillacea 'Willow the Wisp' (Prickly bog sedge 'Willow the Wisp')

Other names: Howe's sedge 'Willow the Wisp', Carex howei 'Willow the Wisp', Carex interior var. capillacea 'Willow the Wisp', Carex atlantica var. capillacea 'Willow the Wisp'

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Add to plant list
Variety or Cultivar
'Willow the Wisp' is a compact, clump-forming, deciduous grass with linear, mid- to bright green leaves and green flower spikelets in late spring and early summer.
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Season of interest

Flower

Spring Summer Autumn Winter
Flower

Foliage

Spring Summer Autumn Winter
Foliage
Height and spread

Height and spread

Size Max height Max spread To maturity
0.5 m 0.9 m 2-5 years
1 ft 2 ft 2-5 years

Where to grow

Soil type
  • Clay
  • Loamy
  • Sandy
Soil drainage
  • Boggy damp conditions
  • Moisture-retentive
Soil pH
  • Acid
  • Neutral
Sunlight
  • Partial Shade
  • Full Sun
Aspect
  • East
  • West
  • South
Exposure
  • Exposed
  • Sheltered

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Additional plant details

Cultivation

Plant in fertile, moist to wet, acid to neutral soil in full sun or partial shade. Can be grown in shallow, standing water. Where native, grows at elevations from 0-300m (0-980').

Suggested uses

Containers/Patio, Beds and borders, Cottage/Informal, City, Low Maintenance, Waterside, Bog garden

UK hardiness

H6

USDA zones

Zone 5, Zone 6, Zone 7, Zone 8, Zone 9

Sunset zone

WUCOLS

North-Central Coastal = Unknown
Central Valley = Unknown
South Coastal = Unknown
South Inland = Unknown
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Clump-forming

Native to

Eastern North America

Drought tolerant

No

Flood tolerant

Yes

Toxicity

Not toxic

Plant care

Pruning

Cut back after flowering.

Propagation methods

Division

Pests

Aphids

Diseases

Cut back after flowering in early autumn (optional)

Divide and replant in spring

Plant in acidic soil

Plant in acid soils that are moist but well-drained

Plant container grown plants in a sunny postion

Plant in wet rich soil at the margins of ponds or streams

Plant in water margin

Plant in moist or boggy soil

Other plants

Plants in this Genus (113)

Carex

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Carex testacea 'Prairie Fire'
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Carex testacea 'Prairie Fire' Orange New Zealand sedge 'Prairie Fire'
Carex comans red-leaved
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Carex comans red-leaved Red New Zealand hair sedge
Carex buchananii 'Viridis'
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Carex buchananii 'Viridis' Leatherleaf sedge 'Viridis'
Carex panicea
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Carex panicea Carnation sedge
Carex siderosticha 'Variegata'
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Carex siderosticha 'Variegata' Variegated creeping broad-leaved sedge
Carex pseudocyperus
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Carex pseudocyperus Cyperus sedge
Carex acutiformis
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Carex acutiformis Swamp sedge
Carex oshimensis 'Everest'
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Carex oshimensis 'Everest' Sedge 'Everest'
Carex tenuiculmis
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Carex tenuiculmis New Zealand hair sedge
Carex dipsacea 'Dark Horse'
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Carex dipsacea 'Dark Horse' Green sedge 'Dark Horse'
Carex lurida
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Carex lurida Sallow sedge
Carex morrowii 'Fisher's Form'
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Carex morrowii 'Fisher's Form' Japanese sedge 'Fisher's Form'
Carex testacea 'Old Gold'
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Carex testacea 'Old Gold' New Zealand sedge 'Old Gold'
Carex caryophyllea 'The Beatles'
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Carex caryophyllea 'The Beatles' Mop head sedge 'The Beatles'
Carex conica 'Snowline'
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Carex conica 'Snowline' Miniature variegated sedge
Carex muskingumensis
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Carex muskingumensis Palm branch sedge
Carex praegracilis
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Carex praegracilis Clustered field sedge
Carex comans bronze-leaved
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Carex comans bronze-leaved Bronze New Zealand hair sedge
Carex 'Milk Chocolate'
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Carex 'Milk Chocolate' Sedge 'Milk Chocolate'
Carex comans 'Frosted Curls'
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Carex comans 'Frosted Curls' New Zealand sedge 'Frosted Curls'
Carex morrowii
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Carex morrowii Japanese sedge
Carex brunnea 'Variegata'
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Carex brunnea 'Variegata' Variegated sedge
Carex buchananii
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Carex buchananii Leatherleaf Sedge
Carex comans
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Carex comans Bronze New Zealand hair sedge
Carex elata 'Aurea'
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Carex elata 'Aurea' Bowles' golden sedge
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Companion plants (0)

Related content

Discuss Carex atlantica subsp. capillacea 'Willow the Wisp' with other Shoot members
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