Bed 540-the North Island Bed-contains the following plants:
Trees
- Cornus alternifolia ‘Argentea’
- Malus x micromalus ‘Kaido Crabapple’
- Prunus cerasifera ‘Thundercloud’ (‘Thundercloud’ Purple-leaved Plum)
Shrubs & Subshrubs
- Acanthopanax sieboldianum variegatus
- Berberis thunbergii ‘Helmond’s Pillar’
- Berberis thunbergii ‘Golden Ring’
- Berneris thunbergii ‘Crimson Velvet’
- Cryptomeria japonica ‘Vilmoriniana’
- Fothergilla ‘Mt. Airy’
- Hydrangea paniculata ‘Limelight’
- Impatiens omieana ‘Silver Pink
- Juniperus communis ‘Compressa’
- Lonicera nitida ‘Lemon Beauty’
- Mahonia x media ‘Charity’
- Viburnus cinnamonifolium’
- Viburnum carlesii ‘Aurora’
- Picea omorika ‘Nana’
- Pieris ‘Cavatine’
- Pieris ‘Prelude’
- Rhododendron ‘Ken Janeck’
- Sarcoccoca confusa
- Symphoricarpus alnus ‘Taff’s White’
- Hydrangea quercifolia ‘Ruby Slippers’
- Osmanthus heterophyllus ‘Goshiki’
Perennials
- Acanthus mollis ‘Hollard’s Gold’ (Golden Bear’s Breech)
- Acorus gramineus ‘Variegatus’
- Ajuga reptans ‘Burgundy Glow’
- Alchemilla mollis
- Aquilegia cv.
- Astilbe chinensis var. pumila
- Astilbe pumila
- Carex elata ‘Bowles Golden’
- Carex morrowii ‘Variegata’
- Dicentra spectabilis ‘Gold Heart’
- Decentra spectabilis ‘Alba’
- Eucomis ‘Sparkling Burgundy’
- Epimedium myrianthum
- Eryngium variifolium
- Euphorbia characias ssp. wulfenii
- Fuchsia magellanica var. molinea ‘Sharpitor’
- Geranium ‘Ann Folkard’
- Geranium cv.
- Hardy Fuchsia ‘Delta’s Groom’
- Hakonechloa macra ‘Aureola’
- Helleborus hybridus
- Helleborus niger
- Heuchera cv.
- Hosta ‘Sum and Substance’
- Hosta ‘Blue Angel’
- Hosta ‘Northern Exposure’
- Hosta ‘Prairie’s Edge’
- Hosta cvs
- Impatiens omeiana
- Iris foetidissima var. citrina
- Iris pallida ‘Aureo-Variegata’
- Iris pumila ‘Pastel Charm’
- Astilbe pumila
- Iris siberica ‘Gerald Darby’
- Iris (dwarf bearded)
- Melica uniflora f. albida
- Miscanthus sinensis ‘Variegatus’
- Nepeta ‘Walkers Low’
- Peonies, historic – dating from the 1960s
- Polystichum setiferum (Soft Shield Fern)
- Sedum ‘Autumn Joy’
- Scabiosa ‘Mariposa Blue’
- Scabiosa ‘Fama Deep Blue’
- Schitzostylus coccinea ‘Oregon Sunset’
- Stachys byzantina ‘Helene Van Stein’
- Nepeta racemosa ‘Blue Wonder’ (‘Blue Wonder’ Dwarf Catmint)
- Schizostylis coccinea ‘Torera’