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Without some intervention, clay soils can be like concrete in summer and a sticky mess in winter. Any effort to improve the texture of clay will be rewarded with strong plant growth. This soil is rich in nutrients and will happily accommodate a considerable range of plants.
Top five performers on clayMahonia japonicaHydrangeaSorbus aria 'Lutescens'Hardy geraniumsViburnum × bodnantense 'Dawn'
When planting on heavy clay soil it is always advisable to attempt some improvement of the soil, by working in organic matter. Mulching the surface of the soil will also help improve the texture.
Acer japonicum, A. palmatum (Japanese maple)Amelanchier lamarckii AGMBetula (birch)Crataegus (hawthorn)EucalyptusLaburnum anagyroides, L. × watereri 'Vossii' AGMLiquidambar styracifluaMalus (crab apple)Pyrus salicifolia 'Pendula' AGM (weeping pear)Sorbus
Abies koreanaAraucaria araucanaChamaecyparis lawsoniana, C. obtusa, C. pisifera Ginkgo biloba AGMJuniperus chinensis, J. × pfitzeriana, J. virginianaPicea abies, P. glauca, P. omorika AGM, P. orientalis AGM, P. pungensPseudotsuga menziesii AGMTaxodium distichum AGMThuja plicataTsuga candensis, T. heterophylla AGM
Berberis (evergreen and deciduous)BuddlejaCotoneaster (evergreen and deciduous)Escallonia (evergreen)FuchsiaHydrangeaMahoniaRosaSpiraeaViburnum (deciduous and evergreen)Weigela
BergeniaEuonymus fortuneiGaultheria procumbens AGM, G. shallon, G. × wisleyensisGeraniumHypericum calycinumJuniperus communis, J. regida subsp. conferta, J. horizontalisLamium galeobdolonPersicaria affinis, P. bistorta, P. vacciniifolia AGMRubus pentalobus Vinca major, V. minor
Chaenomeles × superba 'Moerloosei' AGM (pink) and 'Nivalis' (white)Cotoneaster horizontalis AGM, C. lacteus AGMForsythia suspensa AGMEscallonia 'C.F. Ball', E. 'Edinensis' AGMGarrya elliptica 'James Roof' AGM Hydrangea anomala subsp. petiolarisKerria japonicaLonicera japonica, L. periclymenumPyracanthaRosa
Alchemilla mollisAnemone hupehensis var. japonica, A. × hybridaAster novae-angliae, A. novi-belgiiAstrantiaGeraniumHelleborusHostaKniphofiaSedum spectabile AGMSolidago
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Chalky soilsChalky soils: plants forClay soilsGardening on wet soilsSandy soils: plants forSoil: cultivationSoil typesSoil: understanding pH and testing soil Trees for wet soilsWaterlogging and flooding
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