Wildflower Seed Mixtures 20%

Creating a wildflower garden that's rich in native wildflowers and meadow grasses doesn't need to be as difficult as you might think. Choosing a 20% wildflower seed mix that's balanced and varied can give you just the right amount of flora needed to create a green space that's long-lasting, habitat diverse yet easy to maintain. 


All of our wildflower seed mixtures contain 20% native wildflower seeds and 80% meadow grasses which are suitable for establishing rich wildflower meadows in a range of habitats.


The method of creating wildflower meadows using 80% appropriate grasses, with 20% native wildflower seeds is based on research by the Nature Conservancy Council which has been adopted as an industry standard and creates diverse, natural-looking meadows. We're also very proud to say that all 20% seed mixtures from Boston Seeds are carefully created using seeds selected by the RHS as scientifically proven to help tackle the decline in bees, butterfies and other pollinators - something we're extremely keen to support.


Have a question about wildflower seed mixes? Give us a call on 01205 280069 or check out our wildflower advice pages to learn more. All available with Next Day Delivery.

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BSXM: Dual Purpose Wildflower Meadow Seeds

Use this wildflower mixture to provide colour in the first year, as well as a long-lasting grass and wildflower meadow. Includes yellow rattle.

  • Contains 30% British native wildflowers and 70% grasses, designed for impact in the first year after sowing, as well as longevity.
  • First year colour from 10% of bold cornfield annuals, followed by 20% of perennials which will begin flowering in the second year.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BSBM: Butterfly & Bee Wildflower Seeds

Use this mixture to create a grass and wildflower meadow attractive to bees, butterflies and other pollinators.

  • Bright and beautiful British native wildflowers, formulated to provide maximum food source for bees and butterflies, whilst creating a visually attractive meadow
  • Carefully formulated to include twenty species from the Royal Horticultural Society "Plants For Pollinators" list, inc. yellow rattle.
  • Contains suitable grasses for meadow creation plus 20% native wildflower species plus Borage and Sainfoin to encourage a wide range of pollinating insects and other wildlife.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS1M: Traditional Wildflower Meadow Seeds

Use this mixture to create a general purpose, natural-looking, permanent meadow of British wildflowers and grasses.

  • Contains twenty three British native wildflower species, including Meadow Buttercup, Red Campion, Night-Flowering Catchfly and Yellow Rattle.
  • This popular mixture will establish easily and contains species frequently found in a diverse range of soil types and habitats.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS2M: Chalk & Limestone Soils Wildflower Seeds

Use this wildflower mix to create a grass and wildflower meadow in downland areas on chalky and calcareous soils.

  • Contains twenty three British native wildflower species, including Salad Burnet, Wild Marjoram, Self-heal and Toadflax.
  • Species contained in this mixture are typically found in natural chalk and limestone meadows.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS3M: Dry, Sandy Loam Soils Wildflower Seeds

Use this mixture to establish a permanent, diverse wildflower and grass meadow on dry and sandy soils

  • Contains twenty four British native wildflower species, including Black Medick, White Campion, Wild Carrot and Forget-me-not.
  • Species in this mixture are frequently found in grassland on lighter, well-drained soils which tend to be dry in summer, eg; sandy loams, stony loams which crumble to the touch; well drained slopes and embankments.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS4M: Loam & Alluvial Soils Wildflower Seeds

Use this mix to establish wildflowers and grasses on wet loam soils and create a natural-looking, lowland meadow.

  • Contains twenty three British native wildflower species, including Lady's Bedstraw, Ox-eye Daisy, Greater Knapweed and Common Sorrel.
  • Species in this mixture are frequently found on moisture retentive loamy soils, typical of many lowland meadows with free drainage.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS5M: Heavy Clay Soils Wildflower Meadow Seeds

Use this mixture to create a natural-looking grass and wildflower meadow on heavy soils and in low lying, wet areas.

  • Contains twenty four British native wildflower species, including Common Agrimony, Betony, Corn Chamomile, and Meadowsweet. 
  • Species in this mixture are frequently found in grassland on heavier soils subject to occasional/seasonal water logging. Suitable for low lying areas on clays and silts, or, locations with poor drainage.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS6M: Wetland & Pond Edge Wildflower Seeds

Use this mixture to establish wildflowers and grasses alongside waterways, ponds and other wetland areas.

  • Contains twenty two British native wildflower species, including Water Avens, Yellow-flag Iris, Ragged Robin and Common Sedge.
  • Species in this mixture are frequently found in grassland alongside streams, ponds and rivers and will also thrive in wet low lying land. Avoid sowing if there is imminent risk of flooding.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS7M: Hedgerow & Light Shade Wildflower Seeds

Use this mixture to establish wildflowers and grasses in areas of partial and semi shade, such as hedgerows or other areas in sunlight for only part of the day.

  • Contains twenty two British native wildflower species, including Cowslip, Foxglove, Dark Mullein and Common St John's-Wort.
  • Species in this mixture are frequently found in hedgerows, woodland edges, clearings and open woods. Can also be sown in partial shade; hedge bottoms, tree plantations and woodland rides.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS8M: Woodland & Heavy Shade Wildflower Seeds

Use this mixture to establish wildflowers and grasses in areas of dense shade, such as woodland and areas in shade for much of the day.

  • Contains twenty four British native wildflower species, including Nettle-leaved Bellflower, Bluebell, Meadowsweet and Tufted Vetch.
  • Species in this mixture are frequently found in wooded areas, alongside woodland edges and in clearings. Shade may be heavy or prolonged.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS9M: Cornfield Annuals Wildflower Meadow Seeds

Use this mixture to create a bold display of British annual wildflowers along with meadow grasses.

  • Contains five native wildflower species, including Corn Chamomile, Corn Cockle, Cornflower, Corn Marigold and Common Poppy.
  • The annual species included could be found in most cultivated soils and disturbed areas. They can be sown in a situation where 'instant' colour is required, or combined with other mixtures containing perennial species when flowers are required during the first year.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS10M: Coastal Areas Wildflower Meadow Seeds

Use this mix to establish a natural wildflower and grass meadow in coastal areas on sandy or calcareous loams

  • Contains nineteen British native wildflower species, including Haresfoot Clover and Evening Primrose.
  • Species in this mixture are frequently found in coastal areas that contain sandy loams, stony loams or calcareous loams. Able to tolerate moderate salinity.
  • Sowing Rate: 80/20 - 5 gms/m2.
  • Click this link for mixture contents and information.
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BS11M: Acidic Soils Wildflower Meadow Seeds

Use this mixture to establish wildflowers and grasses on poorer quality or acidic soils, including peat, heath and moors.

  • Contains twenty one British native wildflower species, including Betony, Greater Bird's-foot Trefoil, Ragged Robin and Devil's-bit Scabious.
  • Species in this mixture are frequently found on poor acidic soils which tend to be dominated by a mineral or an organic content eg; heath land, peaty soils and moor land areas.
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS12M: Low Growing Wildflower Meadow Seeds

Use this mixture to create a lower growing area of grass and wildflowers, ideal for flowering lawns or where important not to inhibit visibility.

  • Contains a blend of twenty low growing wildflower species, including Forget Me Not, Yellow Rattle, Cowslip, Bladder Campion and Ragged Robin.
  • Formulated to contain only lower growing species, ideal for areas where it is import not to restrict visibility such as alongside roads. 
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS14M: Wild Bird Seed Wildflower Meadow Seeds

Creates a wildflower and grass mixture attractive to a range of birds, plus seed bearing plants to provide a winter food source.

  • Contains fifteen British native wildflower species and five non-native species, including Wild Carrot, Goat's-beard, Field Scabious and Teasel.
  • This mixture contains species to attract butterflies, bees and other insects during the summer and produces seeds/grains for wild birds to feed on during the winter months
  • Ideally spring sown to produce grains for birds
  • Sow at 5 grams per sqm - 1kg sows 200 sq/m
  • Click this link for mixture contents and information.
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BS Handheld Spreader BS125
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BS Handheld Spreader BS125

This user-friendly hand-held broadcast is useful for spreading wildflower seeds, or for general use in small gardens etc.

  • Can be used for seed and fertiliser.
  • Flow control
  • Capacity: 1kg Seed / 3kg Fertiliser
  • Spreading pattern: 1.5 - 2 metres
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CSS1 Flower Rich Margin & Plots AB8

Use this mixture for Flower-rich Margins and Plots (AB8) to provide:

  • Abundant supply of pollen and nectar-rich flowers through summer
  • Pollinating and beneficial insects including bumblebees, solitary bees, butterflies and hoverflies using these flowers
  • Farmland birds such as yellowhammer foraging within or on the edges of the margins and plots 
  • Annual production of flowers for the length of the agreement.
  • Suitable for Countryside Stewardship (CSS): AB8 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2 
  • Contains: 40% Strong Creeping Red Fescue, 20% Hard Fescue, 10% Smooth Stalked Meadow Grass, 20% Chewings Fescue, 1% Red Clover, 1.25% Birdsfoot Trefoil, 0.25% Selfheal, 0.5% Oxeye Daisy, 1% Yarrow, 0.25% Common Knapweed, 0.5% Wild Carrot, 2.5% Sainfoin, 2.5% Vetch, 0.25% Black Meddick
  • Sowing rate: 20kg/ha. Pack size: 20kg
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CSS3 Wildflower Meadow, also suitable for AB8

Use this mixture for Wildflower Meadows, also suitable for AB8 :

  • Provides rich habitat for butterflies, insects, birds & small mammals
  • An extended number of species of grass, legumes and wildflowers
  • Can be sown on its own or with other wildflower mixtures
  • Suitable for Countryside Stewardship AB8 GS4 GS8 GS14 SW1 SW2 SW3 SW4 SW7 SW8 WT1 WT2
    Contains: 10% Hard fescue, 10% Slender Creeping red fescue, 15% Timothy, 10% Chewing's fescue, 22% Strong Creeping red fescue, 6% Smooth-stalked meadow grass, 4% Sheeps fescue, 1% Tall oatgrass, 1% Meadow foxtail, 10% Red clover, 2% Alsike clover, 2% Ribwort plantain, 2% Bird's foot trefoil, 1% Self Heal, 1% Ox-eye daisy, 1% Lady's bedstraw, 1% Common Knapweed, 1% Wild carrot
  • Used to be called BSWF10
  • Sowing rate: 20kg/ha. Pack size: 20kg 
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