Euphorbia amygdaloides var. robbiae (Mrs Robb's bonnet): Great plant for difficult dry, shady areas. Evergreen dark-green leaves and vibrant lime-green flowers in spring. Suckers and can spread.

Euphorbia palustris (Marsh spurge): Bright acid green bracts in spring. Height to 90cm. Hardy. [Collect Only]

Euphorbia polychroma (Many-coloured spurge, Syn. Euphorbia epithymoides): Bright, acid-green bracts in spring. Forms neat mound at front of border. To 30cm. Hardy

Mathiasella bupleuroides 'Green Dream': Very unusual plant with bold sprays of green flowers in late spring

Primula 'Francisca' (Polyanthus 'Francisca'): Really unusual variety with green/acid yellow flowers. To 20cm. Hardy.