About

Bolboschoenus maritimus is a sizable sedge native to coastal areas, reaching heights of over 1 meter. Its stems are triangular in shape, supporting elongated, narrow leaves that are bright green and keeled. The unbranched flowerheads feature a solitary cluster of brown, cone-shaped spikelets measuring 1 to 2 centimeters in length.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam
Soil pH
Neutral
Soil moisture
Poorly-drained
Aspect
East-facing, North-facing, South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Plant type
Aquatic, Bogs, Grass Like
Habit
Tufted
Foliage
Evergreen
Height
0.5-1 metres
Spread
1-1.5 metres
Time to full height
2-5 years
Suggested uses
Wildlife gardens

Care notes

Cultivation
Found in wet, muddy places around the coast, and tolerant of salty conditions. Needs permanently moist soil and can be planted as a partly submerged marginal in shallow water
Pruning
No pruning required
Propagation
Propagate by seed or by division
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free