Glaucous sedge
Carex flacca
Glaucous sedge is a grass for edging, groundcover, suited to full sun to partial shade and clay, loam, chalk or moist ground, flowering May, Jun.
| Type | Grass |
|---|---|
| Mature height | 30 cm |
| Spread | 45 cm |
| Aspect | full sun to partial shade |
| Foliage | Evergreen |
| Hardiness | USDA 4a-9a, RHS H7 |
| Pollinator-friendly | No |
| Pet-safe | Yes |
Where to use it in a border
At around 30 cm, it sits best along the front edge, where a low, spreading habit reads best. Give it about 45 cm of room to spread, roughly 2 to the metre when planted in a drift. It is hardy across USDA zones 4a to 9a and rated H7 by the RHS, so check it suits your area before planting.
It appears in our lists of full sun, shade, clay soil, chalk soil, wet soil, evergreen plants.
Border Builder uses Glaucous sedge's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
Worth knowing
- Evergreen, so it keeps the border furnished through winter.
- It tolerates a shaded, north-facing spot.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Stinking helleborefor height behind it
- Turtlehead 'Hot Lips'to flower when it does not
- White Turtleheadto flower when it does not
- Wood Cranesbillto flower when it does not
- Bugleto edge in front
- English Yewfor height behind it
Garden styles
Formal Meadow Native Shade cottage Woodland
Sources
Bloom timing and hardiness drawn from: