Geum urbanum
An erect perennial with deeply lobed leaves and pale yellow flowers.
Geum x intermedium
A clump-forming perennial with green leaves and cup-shaped warm yellow flowers on short stems.
Gillenia trifoliata
An erect perennial with bronze-green leaves and star-shaped white to pinkish white narrow petaled flowers.
Ginkgo biloba
A beautiful tree with fan-shaped green to yellow-green leaves. Clusters of male catkin-like flowers and round female flowers produce plum-like yellow-green fruit.
Ginkgo biloba ‘Autumn Gold’ (m)
A beautiful unusual conifer with fan-shaped leaves and brilliant autumn gold colours
Gladiolus ‘The Bride’
A cormous perennial with upright sword-shaped leaves and small spikes of white funnel-shaped flowers marked with yellow.
Gladiolus callianthus
A spectacular flowering bulb producing loose spikes of funnel shaped white flowers with a purple throat
Gladiolus communis ssp. byzantinus
A cormous perennial with upright sword-shaped leaves and spikes of up to twenty funnel-shaped deep magenta-pink flowers.
Gladiolus papilio
A cormous perennial with upright sword-shaped leaves and arching stems of hooded bell-shaped flowers, varying from bright yellow to yellowish green, suffused purple.
Gladiolus tristis
A cormous perennial with upright sword-shaped leaves and spikes of up to twenty funnel-shaped pale yellow or creamy white flowers with dark markings. Strongly scented in the evening.
Glaucium corniculatum
A rosette of slightly hairy silver-grey leaves. Pretty poppy-like crimson-red to orange flowers produced freely.
Glaucium flavum
A rosette of slightly hairy blue-green leaves. Pretty poppy-like bright golden yellow to orange flowers produced freely. A short-lived perennial.