- Lathraea clandestina – a parasitic perennial on the roots of Salix. Purple flowers, native to SW Europe
- Pulsatilla sp. through the Rock Garden and on the alpine wall
- Osmunda regalis by the pond lawn – the unfurling fronds are covered in brown indumentum. Native to northern and southern temperate regions, also in the pond lawn O.regalis ‘Hillii’ more advanced growth, light brown fronds
- Malus hupehensis – a Wilson collection from 1912 on the pond lawn
- Malus x rubra covered in white blossom
- Trillium grandiflorum two good drifts. Native to E.N.America
- Prunus serrulata ‘Yedo Zaura’ – pink blossom
- Pyrus salicifolia var. salicifolia – white blossom, pendulous habit. Native to Eastern Turkey, the Caucasus and Iran
- Prunus ‘Shirotae’, hillside, horizontal growing form covered in white blossom
- Rhododendron rubiginosum var. rubiginosum – a mass of purple flower
- Erythronium revolutum western USA – mottled leaves, hanging pink flowers