The wild flowers you select, whether you are transplanting container grown wild flowers, or sowing seeds must suit your type of soil. Acid, Clay (wet), Chalk, Loam or Sandy soil (dry). I have listed the types and plants that do well in them below.
Clay soil: Bird's foot trefoil, Greater knapweed,Self heal,Lady's smock,Meadow cranesbill, Yarrow,Red
clover,Ragged robin,Meadow buttercup,Lady's bedstraw,Field scabious,Betony and my favorite wild flower Ox-eye Daisy.
Loam: Bladder Campion, Common SorrelYellow RattleMeadow ButtercupSelfhealCowslipHoary Plantain Ribwort Plantain Musk Mallow Birdsfoot Trefoil Oxeye DaisyRough HawkbitField ScabiousMeadow CranesbillLady's Bedstraw Common Knapweed Yarrow
Acid: Wild Basil, ladys Bedstraw, Betony, birds-foot-trefoil, Meadow Buttercup, White Campion, Cats-ear, Oxeye daisy, Rough Hawkbit, Common Knapweed, Musk Mallow, Ribwort Plantain, Ragged Robin, Perforate St Johns-wort, Scabious Devils Bit, Selfheal, Common Sorrel, Common Toadflax, Yarrow, Yellow Rattle/Field scabious.
Chalk and limestone: Agrimony, Wild Basil, Ladys Bedstraw, Birds-foot-trefoil, Burnet Salad, Wild Carrot, Cowslip, Oxeye Daisy, Rough Hawkbit, Common and Greater Knapweed, Black Medic, Wild Migonette, Hoary Plantain, Field and Small Scabious, Selfheal, Kidney Vetch, Yarrow, Yellow-Rattle/Field Scabious.
Sandy soil: Ladys Bedstraw, Common Birds-foot-trefoil, Bladder Campion, Wild Carrot, Oxeye Daisy, Dandelion, Field Forget-me-not, Rough Hawkbit, Common Knapweed, Musk Mallow, Black Medick, Wild Mignonette, Hoary Plantain, St Johns-wort, Selfheal, Kidney Vetch, Vipers-bugloss, Weld, Yarrow, Yellow-Rattle/Field Scabious.
Saturated soil, Wild Pond and streams banks etc. Wild Angelica, Water Avens, Hedge Bedstraw, Birds-foot-trefoil, Red & White Campion, Chicory, Red Clover, Oxeye Daisy, Dames Violet, Dandelion, Hemp-agrimony, Common and Greater Knapweed, Wild Marjoram, Black Medic, Yellow Melilot, Wild Migonette, Garlic Mustard, Scabious, Field and Small Devils-bit, Selfheal, Soapwort, Wild Teasel, Red Valerian, Common Horseshoe and Kidney Vetch, Vipers-bugloss.
Coastal areas Species Include :- Ladys Bedstraw, Common Birds-foot-trefoil, Sea Campion, Wild Carrot, Cats-ear, Common Centuary, Oxeye Daisy, Common Evening-primrose, Foxglove, Harebell, Hounds-tongue, Common Knapweed, Greater Knapweed, Wild Parsnip, Sea Plantain, Greater Plantain, St Johns-wort, Sheeps Bit, Wild Thyme, Tansy, Alexanders, Everlasting Pea Narrow Leaved, Common Toadflax, Kidney Vetch and Vipers-bugloss.
And some of the more common grasses found in an Olde English hay meadow: Browntop Bent, Red Fescue, Crested Dogstail, Meadow Fescue, Smooth Stalk Meadow Grass and Yorkshire Fog.
Very fertile soil If the soil in your garden is very fertile you will need to remove the top 2 or 3 inches before sowing or planting wild flowers.
Go to this page, To work out the type of soil in your garden.