Carex oshimensis
Common Name(s):
Oshima sedge
Carex 'Evergold'
Synonym:
Carex oshimensis f. variegata
Japanese sedge
Flower:
Brown
Blooms :
Apr
to:
May
Insignificant, small
Botanical Description
Fragrant?
NO
Family:
Cyperaceae
Herbaceous Plant, Perennial
Foliage:
Green
Leaves have broad creamy center stripe bordered on each side by dark green margins
Fall Color?
YES
Maintains it's icy blue foliage
Evergreen
Photo by:
Heading 6
Evergreen mound forming sedge with fine-textured foliage that retaiins it's color in winter
Oregon Native?
NO
West State Native?
NO
Origins:
Japan
Site Selection
Minimum USDA Hardiness Zone:
5
Water Needs:
M
Sun Needs:
Partial Sun
Deer Resistant?
YES
Firewise?
YES
Height:
.75-1'
Spread:
1-1.5'
Growth Rate:
Slow
Native Habitat:
Dry woods and rocky slopes
Soil:
Tolerates most soils if kept moist
Care Recommendations
Maintenance Level:
Low
Fertilizer:
Balanced slow-release fertilizer, or top dress with compost or organic mulches
Mulch:
Compost, wood chips, bark chips, pine straw, gravel, stones
Give partial sun , consistent moderate moisture, well-drained soil, cut back to 2-3" late winter, divide every 3-4 years in spring, protect from harsh winter winds
Long Term:
Winter:
Apply mulch if not done in fall, drastically reduce water, ensure protected from drying winter winds, trim dead foliage in late winter
Spring:
Cut back old, tattered, or dead foliage, ensure soil is moist, apply balanced slow-release fertilizer, add layer of mulch, divide plant if needed
Summer:
Keep soil consistently moist, partial shade from afternoon sun, trim off brown, dead, or damaged foliage, monitor for aphids
Fall:
Ensure plant is well hydrated, apply mulch, rake away debris
General Care Comments:
Partial shade, consistent moist well-drained soil, trim back in early spring, mulch in spring and fall
Common Problems
Intolerant of hot humid conditions, waterlogged soils, drought stress, leaf scorch
Diseases:
Crown rot, rust, bacterial leaf spot
Insects:
Aphids, mealybugs, spider mites, caterpillars
Environmental Problems:
Waterlogging, drought, sun scarch, high winds
Pests:
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