Climbers

Asteranthera
Pileostegia
Stanutonia
  

Trachelospermum
Wattakaka
  

Herbaceous Perennials

Ajuga
Alchemilla
Astilbe
Bergenia
Cerastium
Epimedium
Euphorbia robbiae & E. griffithii
Geraniums (Cranesbill)
Heuchera
Hosta
Lamium
   

Lily of the Valley
Liriope
Nepeta
Omphalodes
Persicaria
Polygonatum
Pulmonaria
Sedum
Stachys
Thyme

Shrubs

Artemisia 'Powis Castle'
Berberis candidula & B. wilsoniae
Calluna species
Convolvulus cneorum
Cotoneaster congestus, C. dammeri,
C. horizontalis and C. microphyllus
Erica species
Euonymus radicans
Hebe pinguifolia 'Pagei'
Hedera species
Hypericum calycinum
  
 

Juniperus horizontalis & J. media
Lavendula species
Pachysandra terminalis
Pernettya mucronata
Prunus laurocerasus 'Otto Luyken'
Santolina chamaecyparissus
Rosa 'Flower Carpet'
Senecio greyi
Taxus baccata 'Repandens'
Vinca

These lists are by no means exhaustive. If you can think of a plant that needs adding, why not email me and let me know.