Designed for areas prone to moisture retention or occasional waterlogging, the Heritage Wet and Damp Soils Mix is an expertly selected blend of UK-native wildflower seeds and low maintenance grasses. This 80/20 mix contains 80% grass seed and 20% wildflowers, making it ideal for establishing resilient, wildlife-rich meadows in challenging environments.
This wildflower seed mix supports biodiversity and provides reliable flowering in wetlands, riverbanks, meadow margins, pond edges, and damp grassland. The grasses included are fine-leaved and non-invasive, giving the wildflowers the space and structure to flourish.
Species like Purple Loosestrife, Gypsywort, Common Fleabane, Yellow Iris, Columbine, and Meadowsweet offer striking colour and ecological value while attracting bees, butterflies, and beneficial insects.
This Heritage Mix is part of the John Chambers Wildflower Seed Heritage Range, a premium line of native wildflower mixtures tailored for specific soil types and habitats.
All wildflower seed mixes are subject to seasonal availability. Species may vary slightly based on harvest and may include additional species suitable for damp soils.
Features & Benefits
Tailored for Wet and Damp Soils – Thrives in challenging, moisture-rich sites
80/20 Grass to Wildflower Ratio – Combines meadow structure with flowering interest
Encourages Biodiversity – Supports pollinators and native wildlife
Low Maintenance Grass Component – Provides stability, erosion control, and resilience
Part of the John Chambers Heritage Range – Designed for performance and provenance
Applications
Riverbanks and stream edges
Wet meadow areas
Field boundaries and hedge bottoms
Parkland and roadside verges
Sustainable urban drainage (SuDS) zones
Damp woodland edges and floodplain grasslands
Main Species in the Mix
Purple Loosestrife (Lythrum salicaria)
Gypsywort (Lycopus europaeus)
Common Fleabane (Pulicaria dysenterica)
Yellow Iris (Iris pseudacorus)
Columbine (Aquilegia vulgaris)
Meadowsweet (Filipendula ulmaria)
Species may vary depending on seasonal harvest. Additional appropriate wet-soil species may be included.
Sowing Information
Sowing Times:
Spring (March to May)
Autumn (August to October) – ideal for natural germination cycles
Sowing Rate:
80/20 Grass and Wildflower Mix: 5g per m²
Large areas: 50kg per hectare
How to Sow:
Clear the Area – Remove weeds and existing vegetation to expose bare soil.
Prepare the Ground – Lightly cultivate or rake to create a fine, level tilth.
Mix & Spread – Blend seed with dry sand to aid even distribution and sow evenly.
Firm Down – Roll or lightly tread in to improve seed-to-soil contact.
Water If Needed – Particularly important in dry spring sowings.
About John Chambers Wildflower Seed
With over 40 years of expertise, John Chambers Wildflower Seed is a leading provider of UK-native seed mixes tailored to British habitats. The Heritage Range celebrates traditional, ecologically valuable wildflower landscapes and is trusted by local authorities, landscapers, conservationists, and estate managers.

Attribute Details
Seed Mix Type 80% Grass Seed, 20% UK-native Wildflowers
Soil Suitability Moist, water-retentive, or seasonally wet soils
Flowering Window Late spring through summer (variable by species)
Sowing Times Spring (Mar–May) or Autumn (Aug–Oct)
Sowing Rate 5g per m² (50kg per hectare)
Main Wildflowers Purple Loosestrife, Yellow Iris, Meadowsweet, etc.
Minimum Order 100g
Brand John Chambers Wildflower Seed – Heritage Range