Rhododendron 'Goldflimmer' (shrub)
Verbena bonariensis (perennial)
Lavandula 'Little Bee Lilac' (herb)
Allium 'Purple Sensation' (bulb)
Digitalis purpurea (perennial)
Erysimum 'Bowles Mauve' (perennial)
Liathris spicata (perennial)
Liriope muscari (perennial)
Salvia nemorosa 'Ostfriesland' (perennial)
Buddleia davidii 'Black Knight' (shrub)
Cynara scolymus (perennial)
Clematis 'Etoille Violette' (climber)
Clematis 'Jackmanii' (climber)
Rhododendron 'Azuro' (shrub)
Rhododendron 'Alfred' (shrub)
Rhododendron ponticum 'Variegatum' (shrub)
Geranium 'Pheum' (perennial)
Hebe 'Black Beauty' (shrub)
Polygala myrtifolia (shrub)
Acanthus spinosus (perennial)
Tradescantia leonora (perennial)