Green

Dandelion flowers

Taraxacum officinale

Horse chestnut trees in Spring. Getty Images

Aesculus hippocastanum

Trachycarpus fortunei

Trachycarpus fortunei

Malva moschata flowers. Getty Images

Malva moschata

Luzula nivea growing with white foxgloves

Luzula nivea

Malus sylvestris flowers. Getty Images

Malus sylvestris

Pinus sylvestris growing in a mixed border

Pinus sylvestris

Acacia dealbata. Getty Images

Acacia dealbata

Common Alder. Getty Images

Alnus glutinosa

Clematis 'Jackmanii'

Clematis ‘Jackmanii’

Stachys officinalis

Betonica officinalis

Flowers of Persian silk tree, Albizia julibrissin. Photo: Getty Images.

Albizia julibrissin

Heracleum sphondylium flowers. Getty Images

Heracleum sphondylium

Sweet briar flower. Getty Images

Rosa rubiginosa

Limelight hydrangea. Getty Images

Hydrangea paniculata ‘Limelight’