Carex grayi - Mace Sedge, Pond Marginal Plant
Carex grayi - Mace Sedge, Pond Marginal Plant
£6.80
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Planting Time
Flowering Time
Carex grayi, known as mace sedge, is a clump-forming sedge with broad, rich green, grass-like leaves. Through summer it carries green flower spikes followed by spiky seed heads like a medieval mace, which turn chocolate brown and last into winter.
Mace sedge at a glance
| Botanical name | Carex grayi |
|---|---|
| Common name | Mace sedge, Gray's sedge |
| Plant type | Clump-forming sedge; dies back in winter |
| Height and spread | About 50–90 cm tall, 30–60 cm wide |
| Flowers | Green spikes, June to August, followed by spiky mace-like seed heads |
| Position | Full sun or part shade |
| Soil | Wet, poorly drained clay or loam; any pH |
| Pond depth | Wet soil or shallow water at the pond edge |
| Hardiness | RHS H6 – hardy in a very cold winter (-20 to -15°C) |
| Native to | Not UK native |
Where to plant mace sedge
- Wet ground at the edge of a pond
- Bog gardens
- Sun or part shade; the leaves are darker green in shade
How to plant and care for it
Plant in wet clay or loam. Cut back the old leaves in autumn. It may self-seed. Watch for aphids and rust.
Is it good for wildlife?
The RHS suggests it for wildlife gardens, and a US source says the seeds feed many birds.
Which size should I buy?
Bare-root plants (7 cm, 9 cm, 1 litre and 3 litre) arrive without a pot or compost and are the most economical way to plant a group. Potted plants (9 cm, 1 litre and 3 litre) arrive growing in our peat-free compost and give a faster display. Packs of 3 come in 7 cm, 9 cm, 1 litre and 3 litre bare-root sizes and cost less per plant. The 2x Pot & Compost option is two plants supplied with pots and compost.
Pond depth: 0 - 15cm
Light: Full sun or part shade
Hardiness: Hardy
Height and spread: 40 - 80cm tall, 30 - 50cm wide
Planting and flowering months are shown in the calendar under the photos.
Bare root (7 cm, 9 cm, 1 litre, 3 litre): plants sent without a pot or compost, ready to plant straight away. The most economical way to plant a group.
Potted (9 cm, 1 litre, 3 litre): plants growing in our recycled, peat-free compost made in Lincolnshire. Larger sizes give a faster display.
Pack of 3 (7 cm bare-root, 9 cm bare-root, 1 litre bare-root, 3 litre bare-root): three plants of the chosen size at a lower price per plant.
2x Pot & Compost: two plants supplied with pots and compost.
Sizes shown with a line through them are currently unavailable.
At Lincs Plants, we strive to provide fast and reliable shipping to ensure your plants arrive in perfect condition. We offer 1-3 day shipping through a variety of dispatch methods to suit your needs.
Processing Time:
Orders are processed within 1 - 3 business day after payment confirmation. Orders placed on weekends or public holidays will be processed the next business day.
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