Coastal Wildflower Seeds | Native Seaside Wildflower Mix | Fosters Seeds

Coastal Wildflower Seeds

Coastal Wildflower Seeds are specially developed to establish colourful, resilient wildflower meadows in some of the UK’s most demanding growing conditions. Designed for exposed coastal environments, sandy soils, dunes, cliff tops and other salt-influenced sites, this carefully selected mixture contains native wildflowers and companion grasses capable of thriving where many traditional meadow mixtures struggle. Whether you are creating a wildlife-friendly garden by the sea, restoring coastal grassland or enhancing a public landscape, this blend provides dependable establishment and long-term environmental value.

Coastal environments present unique challenges for plants. Strong winds, salt-laden air, free-draining sandy soils and prolonged dry periods can make it difficult for many species to survive. Coastal Wildflower Seeds contain species naturally adapted to these conditions, allowing them to establish deep root systems, tolerate occasional salt spray and flourish in nutrient-poor soils. Once established, the meadow develops into a diverse display of native flowers that reflects many of Britain’s beautiful coastal habitats.

Throughout late spring, summer and into early autumn, the mixture produces a succession of colourful blooms that provide valuable nectar and pollen for honeybees, bumblebees, butterflies, hoverflies and many other pollinating insects. Flowering species commonly found in coastal environments, such as Kidney Vetch, Bird’s-foot Trefoil, Viper’s Bugloss, Sea Campion and Sea Thrift, help create a natural habitat that benefits wildlife while adding colour and movement to the landscape.

Unlike short-lived annual flower displays, Coastal Wildflower Seeds are designed to establish a long-lasting perennial meadow. As the plants mature over successive seasons, the balance between grasses and flowering species develops naturally, creating an increasingly diverse habitat that requires relatively little maintenance. Annual cutting and the removal of arisings help maintain low soil fertility, preventing coarse grasses from dominating and encouraging continued wildflower development.

This mixture is ideal for coastal gardens, holiday parks, caravan sites, public open spaces, golf courses, nature reserves, roadside verges, embankments, dunes and ecological restoration projects. It is equally suitable for domestic gardeners wishing to create a natural seaside planting or landscape professionals undertaking large-scale biodiversity schemes.

Whether your goal is to establish a beautiful coastal meadow, improve biodiversity or provide valuable forage for pollinating insects, Coastal Wildflower Seeds offer a reliable and environmentally beneficial solution specifically designed for the unique challenges of seaside conditions.

Sowing & Propagation

Sow Coastal Wildflower Seeds between March and May or from late August to October, when soil temperatures and moisture levels favour successful establishment.

Prepare a fine, firm and weed-free seedbed by removing existing vegetation and perennial weeds before sowing. Broadcast the seed evenly at a rate of approximately 5 g per square metre. Mixing the seed with dry sand helps achieve an even spread across larger areas. Lightly rake or roll the seed after sowing to ensure good seed-to-soil contact, but avoid burying it deeply, as many native wildflower species require light to germinate.

Water during prolonged dry periods until the seedlings become established.

Growing On

During the first growing season, companion grasses usually establish more quickly than the perennial wildflowers. This provides valuable soil protection while allowing the slower-growing flowering species to develop healthy root systems.

If annual weeds become vigorous, mow the area to a height of approximately 50–75 mm whenever growth reaches around 150–200 mm. This helps suppress weeds without harming the developing meadow.

Avoid adding fertilisers or rich composts, as coastal wildflowers perform best in relatively poor, well-drained soils.

Meadow Management

Once flowering has finished and seeds have naturally dispersed, cut the meadow during late summer or early autumn.

Leave the cut material on the surface for several days to allow additional seed to fall before removing all arisings from the site. This helps maintain the naturally low fertility required for long-term wildflower success and discourages vigorous grasses from becoming dominant.

Where growth is particularly strong, a second light maintenance cut during late autumn or early spring may be beneficial.

Why Choose Coastal Wildflower Seeds?

Coastal Wildflower Seeds are specifically formulated for the demanding conditions found around Britain’s coastline. Their combination of salt-tolerant native wildflowers and fine companion grasses creates an attractive, sustainable meadow capable of thriving in exposed, sandy and free-draining environments.

Ideal for gardens, conservation projects, public landscapes and ecological restoration, this mixture provides season-long colour while supporting bees, butterflies, birds and many other forms of wildlife. Once established, it requires relatively little maintenance, making it an excellent long-term investment for enhancing biodiversity and creating beautiful natural landscapes

Mixture
5% Birdsfoot Trefoil (Lotus corniculatus) 1% Bladder Campion(Silene vulgaris)
15% Black Knapweed (Centaurea nigra)
0.5% Catsear(Hypochaeris radicata)
1% Common St John’s Wort (Hypericum perforatum)
1% Evening Primrose (Oenothera biennis)
2% Greater Knapweed (Centaurea scabiosa)
7.5% Kidney Vetch (Anthyllis vulnearia)
3% Lady’s Bedstraw (Galium verum)
15% Ox-Eye Daisy (Leucanthermum vulgare)
0.5% Red Clover (Trifolium pratensis)
10% Ribwort Plantain (Plantago lanceolata)
18% Selfheal (Prunella vulgaris)
7% Sheeps Sorrel (Rumex acetosella)
2.5% Viper’s Bugloss (Echium vulgare)
5% Wild Carrot (Daucus carota)
6% White Campion (Silene alba)

80% Grasses
19% Crested Dogstail (Cynosurus ristatus)
6% Creeping Bent (Agrostis stolonifera)
18% Sheeps Fescue (Festuca ovina)
25% Slender Red Fescue (Festuca rubra litoralis)
12% Small Timothy (Phleum bertolonii)
10% Saltmarsh Grass (Puccinellia maritima)
10% Smooth Stalked Meadow Grass(Poa pratensis)