A18 Road Verge and Embankments

A18 is tailored for road verges and embankments. Several resilient grass varieties have been combined in A18, with DoubleRoot hybrid clover included to fix 150 kg N/ha each year.

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This makes A18 a climate smart solution by minimising the need for nitrogen fertiliser. Other benefits are rapid establishment, performance on variable soil types and gradients, and suitability for government specifications.

Environmental benefits

DoubleRoot has been included in A18 to provide a self-sustaining, low-maintenance mixture that brings environmental benefits to highway verges, embankments and roundabouts. The mixture establishes quickly on a range of soil types and provides rapid ground cover to prevent gully erosion and loss of soil onto road surfaces.

The high percentage of creeping grasses means the sward will stabilise gradients in the long term. We recommend that gradients of more than 3 in 5 utilise some form of geotextile to stabilise the bank whilst the sward establishes. 

  • Contains AberLasting DoubleRoot clover
  • Rapid establishment
  • Suitable for use on gradients
  • Performs on variable soil types
  • Low maintenance
  • Suitable for all Department of Transport specifications
  • Added Zurich Creeping perennial ryegrass ensures ability to regenerate from wear in unmanaged situations

Contact our experts if you want to know how A18 can offer a climate smart solution for your road development.


Copy Specification
Product Name A18 Road Verge and Embankments
Mixture Breakdown 40.0% CORAIL STRONG CREEPING RED FESCUE (Festuca rubra rubra)
10.0% JOANNA CHEWINGS FESCUE (Festuca Rubra Commutata)
10.0% ZURICH PERENNIAL RYEGRASS (Lolium perenne)
5.0% HIGHLAND BROWNTOP BENTGRASS (Agrostis castellana)
2.5% ABERLASTING (SMALL) W CLOVER NEW FROM 2023 (Trifolium repens)

Supplier: Germinal Amenity
Web: germinalamenity.com
Tel: 01522 868714
Copy Specification

Usage Guide

Copy Usage Guide
Sowing Rate 35 g/m2 (350 kg/ha)
Sowing Time March-October
Sowing Depth 10 mm
Sowing Instructions Create a fine friable seedbed down to 150 mm in depth. Carry out two equal sowings at right angles to each other and diagonally to main axis. Broadcast manually or use seed drill, rake level and roll. Ensure good seed to soil contact.
Cutting Height Between 25-50 mm
Minimum cuts per year 4
Overseeding Rate 25 g/m2 (250 kg/ha)
Fertiliser Recommendation

In the seedbed - Agrosil LR

Once established - No requirement

Supplier: Germinal Amenity
Web: germinalamenity.com
Tel: 01522 868714
Copy Usage Guide

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