Local knowledge of specific areas along with soil type, exposure and geographical location will all further influence which plants are suitable.
Alyssum saxatile
Anaphalis triplinervis
Anemone blanda, A. nemorosa, A. sylvestris
Antennaria aprica, A. dioica ‘Rosea’
Anthemis cupania, A. nobilis, A. rudolphiana
Armeria maritima, A. corsica
Artemisia absinthium, A. arborescens etc.
Asphodelus albus, A. cerasiferus
Ballota pseudodictamnus
Berkheya purpurea
Bergenia cordifolia, B. crassifolia
Brunnera macrophylla
Calamintha grandiflora, C. nepetoides
Carlinia acaulis
Caryopteris x clandonensis
Centaurea macrocephala etc.
Cerastium tomentosum
Chamaerops humilis (dwarf fan palm hardy to-10c)
Cheiranthus ‘Bowles Mauve’ C. ‘Harper Crewe’
Chiastophyllum oppositifolium
Chrysanthemum hosmariense
Cistus albidus, C. x corbariensis, C. x purpureus
Cotula squalida
Crambe cordifolia, C. maritima (sea kale)
Crepis incana
Crocrosmias
Cynaria cardunculus (cardoon)
Dianthus
Diascia
Dictamnus
Dierama pulcherrimum
Digitalis ferruginea, D. grandiflora, D. lutea
Echinops
Epimedium
Erodium
Erigeron glaucus
Eryngium agavifolium, E. bourgatii
Euphorbias
Foeniculum
Fritillaria
Galtonia candicans, G. princeps (smaller)
Gaura lindermeri
Geranium
Gladiolus byzantinus, G. papilip, G. illyricus
Glaucium (horn poppy)
Gypsophylia dubia, G. paniculata
X Halmiocistus sahucii
Halimium halimifolium, H. lasianthum
Hebe
Hedera
Helianthemum (Rock Rose)
Helichrysum
Helleborus
Hosta
Humulus lupulus
Hypericum calycinum, H. ‘Elstead’, H. Hidcote’
Iberis sempervirens (Candytuft)
Incarvillea delavayi
Iris foetidissima, I. graminea, I. ungiucularis
Knifophia northae, K. ‘Little Maid’, K. ‘Maid of Orleans’
Lamium galeobdolon, L. maculatum
Lathyrus
Lavendula lanata, L. stoechas, L. spica
Liatris spicata, L. scariosa, L. pycnostachya
Libertiaformosa, L. grandiflora, L. ixioides
Limonium bellidifolium, L. latfolium
Linaria purpurea, L. dalmatica (toad flax)
Linum perenne, L. narbonnense (flax)
Liriope muscari
Lonicera x americana, L. japonica, L. periclymenum, L. pileata, L. nitida
Lunaria annua (honesty)
Lupinus arboreus
Lychnis coronaria, L. flos jovis, L. Viscaria
Morisia monantha
Oenothera
Origanum vulgare, O. hybridum, O. rotundifolium
Ornithogalum nutans (star of Bethlehem)
Pachysandra terminalis
Papaver (oriental poppy)
Penstemon barbatus, P. menziesii, P. newberryi
Perovskia abrotanoides (Russian sage)
Phlomis fruticosa, P. russeliana
Phygelius aequalis, P. capensis
Poygonatum falcatum, P. x hybridum
Potentilla arbscula, P. fruticosa
Pulmonaria angustifolia, P. rubra, P. saccharata
Pulsatilla vulgaris
Raoulia australis, R. hookeri, R. tennicaule
Ruta graveolens
Salvia
Santolina chamaecyparissus, S. virens
Santolina chamaecyparissus
Saponaria ocymoides (soapwort)
Sedum many inc. alpine and herbaceous forms
Sempervivum
Senecio compactus, S. leucostachys
Stachys lanata (Lambs ears)
Symphytum grandiflorum
Tanacetum densum ‘Amanum’
Teucrium fruticans
Thymus
Valeriana
Verbascum
Veronica prostrata, p. ‘Trehane’
Vinca difformis, V. major, V. minor,
Waldsteinia ternata
Yucca gloriosa, Y. recurvifolia
Zauschneria californica
Grasses
Festuca glauca, F. glacilis, F. punctoria
Helichtotrichon sempervirens 1m
Holcus mollis (shade lover)
Hordeum jubatum (Squirrel tail grass Chile)
Leymus (Elymus) arenarius (sand dunes Europe)
Milium effusum (wood millet, shade)
Pennisetum alopecuroidesmacrourum, P. orientale
Stipa calamagrostis, S. gigantica
Gardens Visited that are open to the public include
Beth Chatto’s Gardens, Elmstead Market, Essex CO7 7DB
East Ruston Old Vicarage Gardens, Norwich, Norfolk NR12 9HN
Holehird Gardens, Patterdale Road, Windermere LA23 1NP
John Massey’s Garden, Ashwood Nurseries Kingswinford West Midlands DY6 0AE
Minack Theatre Porthcurno, Penzance TR19 6JU
Newby Hall Gardens Skelton-on-Ure, Ripon HG4 5AE
RHS Garden Hyde Hall, Chelmsford CM3 8ET
Royal Botanic Garden Inverleith Row, Edinburgh EH3 5LR
Royal Botanic Garden Kew Richmond, London, TW9 3AE
Powis Castle Garden, Welshpool SY21 8RF
Sissinghurst Biddenden Road, near Cranbrook, Kent, TN17 2AB (National Trust)