Blysmus compressus
Blysmus compressus · Cyperaceae
The gardener's calendar
Ideal time to plant blysmus compressus: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Cyperaceae
- Type
- Sedge/Carex
- Mature height
- 15 to 30 cm tall
- Foliage
- Deciduous
- Flowering
- June to September
- Hardiness
- Very hardy (down to -20°C)
- Origin
- Europe, temperate wetland zones
- Soil type
- Moist to marshy, peaty
Care
Watering
Compressed sedge appreciates constantly moist soils. Maintain a fresh substrate without letting it dry out between waterings. In natural areas, it thrives at the water's edge or in humid depressions in the ground.
Light exposure
Prefer full sun to partial shade. This plant appreciates natural light but tolerates partial shade well. Avoid overly dry areas and locations exposed to drying winds.
Soil quality
Plant it in soil rich in organic matter, acidic to neutral and well-draining but constantly moist. Adding peat or leaf compost will improve the substrate. This species is particularly suited to bog gardens or landscaped banks.
Cutting and cleanup
In late winter or early spring, cut back the dry foliage to ground level to encourage new growth. This annual operation maintains the compact shape and removes dead material.
Nutrition
Undemanding, compressed sedge requires only moderate annual feeding. Enrich the soil each spring with balanced compost or diluted natural fertilizer. Rich peaty soils are usually sufficient.
Health and pests
A robust species, rarely affected by major diseases. Watch for root rot if there is permanent standing water. Good air circulation at the base and appropriate moisture balance prevent most problems.
Did you know?
Compressed sedge takes its Latin name *compressus* from its laterally flattened stems, a rare characteristic among Cyperaceae. Historically, several sedge species were used to make mats, paper, and even shoes in Northern European wetland areas, so robust is their fibrous structure.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Blue sedgeCarex panicea
- Spring sedgeCarex caryophyllea
- Pendulous sedgeCarex pendula
- Bird's-foot SedgeCarex ornithopoda
- Gray's sedgeCarex grayi
- Strict sedgeCarex stricta
Tips generated and checked by Viridia — adapt them to your local climate.