SuDS planters by Meristem are designed to manage water sustainably while delivering high-quality urban greening. Each planter is fully bespoke to suit site, landscape, and design vision. Planters integrate the Hydrorock© Planter System to slow water flow, improve water quality, and support climate-resilient planting in urban environments.

  • Bespoke SuDS planters for outdoor settings

  • Slows surface water runoff to reduce flood risk

  • Filters pollutants from rainwater before it enters drains or rivers

  • Hydrorock© blocks provide passive irrigation for plants up to 28 days

  • Supports urban greening and biodiversity

  • Low-maintenance with optional ongoing care services

  • Enhances climate resilience and sustainability credentials

Applications

  • Public spaces and streetscapes

  • Schools and educational environments

  • Commercial developments

  • Climate-resilient urban greening schemes

Materials

Planter material:

  • Powder coated steel

  • Galvanised steel

  • Weathering steel (Corten)

  • Hardwood

  • Softwood

Internal drainage components:

  • Hydrorock© natural aquifer blocks (Rockwool wrapped in protective geofiltration membrane)

  • Heavy-duty 0.5 mm PVC liner

  • Geotextile membrane

  • Green treated C16 UC4 timber framing

  • Treated timber feet

  • Perforated solvent-weld waste pipes and drainage fittings

  • Shingle, gravel, sand layers and engineered soil mix

Dimensions

  • Planters are made to order

  • Dimensions (height, width and length) are fully bespoke to suit project and site requirements

Options and variations

  • Custom shapes, sizes, and layouts

  • Standard RAL powder coating or specialist metallic powder coating

  • Hydrorock© system with up to 94% water retention by cubic volume

  • Integrated overflow and drainage outlet pipes

  • Access panels and inspection points where required

  • Branding with logos, colours, and custom designs

Performance

  • Hydrorock© blocks irrigate plants via capillary action for up to 28 days

  • 1 m² of Hydrorock© surface area holds approximately 142 litres of water

  • Slows stormwater flow, reducing flood risk during heavy rainfall

  • Filters pollutants from runoff including sediment and airborne deposits

Sustainability

  • Reduces pressure on urban drainage networks

  • Improves water quality before runoff reaches rivers and waterways

  • Supports biodiversity and climate resilience

  • Ideal for nature-based solutions and environmental education projects

Maintenance

A Tailored maintenance service is available to ensure long-term performance and plant health.