Chalk

Annual / Biennial

Nasturtium (Tropaeolum majus)

Shrubs

Purple Japanese barberry (Berberis thunbergii f. atropurpurea)

Shrubs

Barberry ‘Superba’ (Berberis x ottawensis f. purpurea ‘Superba’)

Shrubs

Japanese barberry ‘Green Carpet’ (Berberis thunbergii ‘Green Carpet’)

Shrubs

Smoke tree (Cotinus coggygria)

Shrubs

Firethorn (Pyracantha)

Trees

Broad-leaved cockspur thorn ‘Prunifolia’ (Crataegus persimilis ‘Prunifolia’)

Trees

Paperbark maple (Acer griseum)

Trees

Field Maple (Acer campestre)