Acidic

Cercis siliquastrum (Judas tree)

Cercis siliquastrum

Rhamnus cathartica. Getty Images

Rhamnus cathartica

Camellia sinensis. Getty Images

Camellia sinensis

56192

Prunus laurocerasus ‘Otto Luyken’

Bull bay, Magnolia grandiflora

Magnolia grandiflora

Acanthus mollis 'Whitewater'

Acanthus mollis ‘Whitewater’

Cornus alba 'Sibirica'

Cornus alba ‘Sibirica’

Echinacea purpurea

Echinacea purpurea

Japanese maple, Acer japonicum 'Vitifolium'

Acer japonicum ‘Vitifolium’

Zebra grass, Miscanthus sinensis 'Zebrinus'

Miscanthus sinensis ‘Zebrinus’

95401

Fritillaria imperialis

Asplenium nidus 'Osaka'

Asplenium nidus ‘Osaka’

Actaea simplex (Atropurpurea Group) 'Black Negligee'

Actaea simplex (Atropurpurea Group) ‘Black Negligee’

Rhodohypoxis baurii

Rhodohypoxis baurii

Chlorophytum saundersiae 'Starlight'

Chlorophytum saundersiae ‘Starlight’