Juncus effusus, known as soft rush, is a UK native rush that forms dense clumps of smooth, round, bright green stems. It stays green through winter and gives year-round structure at the edge of wildlife ponds.

Soft rush at a glance

Botanical name Juncus effusus
Common name Soft rush, common rush
Plant type Evergreen, clump-forming rush
Height and spread Up to 1.2 m tall, 50–100 cm wide
Flowers Small, green to brown clusters near the stem tips, June to August
Position Full sun or part shade
Soil Permanently moist or wet soil, ideally acid
Pond depth 0–10 cm of water
Hardiness RHS H6 – hardy in a very cold winter (-20 to -15°C)
Native to UK and Ireland (native wild plant)

Where to plant soft rush

  • The edge of wildlife ponds, up to 10 cm deep
  • Bog gardens and wet, acid ground
  • Rain gardens and areas that flood from time to time

Is soft rush good for wildlife?

Yes. It is useful for improving wildlife habitats and stands up well to ducks and other wildfowl.

How to plant and care for it

Plant from spring to late summer in permanently moist soil or very shallow water. Pull out dead stems in spring. It spreads by underground stems, so divide large clumps every few years.

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 - 10cm

Light: Full sun or part shade

Hardiness: Hardy

Height and spread: 80 - 120cm tall, 50 - 100cm 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.

Shipping Methods:

  • Standard Shipping (1-3 days)
  • Express Shipping (1-2 days)

Should you have any questions or concerns about your shipment, feel free to contact us.