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All ratings refer to the UK growing conditions unless otherwise stated. Minimum
temperature ranges (in degrees C) are shown in brackets
AGM plants have been through a rigorous trial and assessment programme. They are:
'Trympostor' is a bulbous perennial with grey-green leaves and white flowers on stems around 20cm tall. The outer petals have prominent green markings and a reflexed habit, whilst the inner petals have a green inverted V-shaped mark around the petal notch
'David Baker' is a bulbous perennial with erect, green, strap-like leaves and solitary, nodding white flowers, to 15cm in height. Outer petals are tipped with a pale-green "V" and are slightly flared when fully open; inner petals are marked with a dark green, broad, inverted "V"
'Sophie North' is a vigorous, bulbous perennial, to 20cm tall, with broad, grey-green leaves. The flower petals are thick-textured with outer petals of pure white. Inner petals have a very distinctive, narrow, green "V" mark around the petal notch. The green marking then extends across the mid and base section of the inner petal
'Wendy's Gold' is a bulbous perennial to 20cm with broad, grey-green leaves. The white flowers have a yellow-green ovary, and a long, yellow-green mark on the inner petals
'Godfrey Owen' is a bulbous perennial with grey-green leaves and white flowers on stems around 20cm tall. It has 6, pure white, symmetrical outer petals which open to give a wide, lamp-shade-like form over 6 inner petals, each of which bears a green apical mark that divides across the petal tip
'Flore Pleno' is a bulbous perennial to 15cm, with narrow, grey-green leaves and solitary, nodding, fragrant, double white flowers 2.5cm in length, the inner segments mostly marked with green at the tip
'Comet' is a bulbous perennial with grey-green leaves and white flowers on stems around 20cm tall. The inner petals have a single, large, green mark and the outer petals sometimes have green tips
G. elwesii is a perennial to 30cm, with broad, glaucous leaves and nodding, solitary white flowers in late winter, the outer segments to 2.5cm in length, inner ones flared at tip, with both basal and apical green marks that sometimes merge into one
'Trym' is a bulbous perennial, to 15cm tall, with narrow, grey-green leaves and solitary, nodding, white flowers 2.5cm in length. It has six wedge-shaped tepals, each marked boldly with green
G. gracilis forms a clump of linear, twisted, grey-green elaves and scented, nodding white flowers 2.5cm long, the inner tepals each with two green marks; flowering in late winter and early spring
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