Carex Evergold

Description

Carex oshimensis ‘Evergold’ – golden Japanese sedge

Botanical name: Carex oshimensis ‘Evergold’
Common names: Golden Japanese sedge
Family: Cyperaceae (sedge family)
Plant type: Evergreen sedge
Habit: Low, arching, mound-forming
Pot size: 2–3 litre pot
Eventual size: Approx. 30cm tall × 40cm spread
Foliage: Arching leaves with a broad, bright creamy-gold central stripe edged in green; evergreen
Flowers: Insignificant brownish flower spikes; grown for its foliage
Scent: Not scented
Aspect / light: Full sun to partial shade
Soil: Moist but well-drained, humus-rich; any pH
Hardiness: RHS H6 (hardy, to about −20°C); USDA zones 5–9
Exposure: Sheltered or open
Native range: Selected form; the species is native to Japan
Toxicity / pet & child safety: Generally considered non-toxic to people and pets

Carex oshimensis ‘Evergold’ is a popular evergreen sedge with arching leaves boldly striped creamy-gold and green, forming a bright cascading mound. Superb for edging, containers and lightly shaded borders.

GardenAdvice notes

One of the most popular and reliable of all sedges, ‘Evergold’ forms a graceful, cascading mound of arching leaves, each with a broad, bright creamy-gold central stripe. Evergreen, hardy and easy, it brings a warm glow to borders, edging and containers all year, and is especially good for lighting up a lightly shaded spot.

Growing & planting

Plant in spring or autumn in moist but well-drained, humus-rich soil, in full sun to partial shade. Space about 40cm apart; it establishes into a neat clump. Improve very dry or very wet ground before planting.

Care & maintenance

Sedges are not cut hard to the ground like many grasses. Instead, in spring comb through the clump with gloved fingers or a spring-tined rake to pull out the dead leaves, and trim off any tatty foliage; a very untidy plant can be cut back harder to encourage fresh growth. Water in dry spells, as most sedges dislike drying out, and divide congested clumps in spring.

Propagation

• Division: Lift and divide clumps in spring — quick, easy and the standard method.
• Seed: Species can be raised from seed, though named forms are best from division.

Pests & diseases

Generally trouble-free. Aphids occasionally occur, and clumps can rot or die out in the centre in cold, wet, poorly drained conditions. Good drainage and combing out dead growth keep plants healthy.

Uses in the garden

Superb for edging, as evergreen groundcover, in containers and mixed borders, and for brightening lightly shaded spots, where its golden foliage cascades and glows year-round.

Wildlife value

The dense tufts provide ground-level cover for insects and small creatures, and sedges support a range of wildlife in damp and naturalistic plantings.

Toxicity & safety

Sedges are generally regarded as non-toxic to people and pets.

GardenAdvice tip

‘Evergold’ is a deservedly popular sedge — evergreen, easy and glowing gold all year — and looks especially good spilling over the edge of a pot or lighting up light shade. Give it a little shade from the fiercest sun to keep the gold fresh, and comb out old leaves in spring rather than cutting it back hard.

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