Galega × hartlandii 'Lady Wilson'
Gaura lindheimeri 'Pink Dwarf'
Gaultheria procumbens( AGM)
Geranium 'Brokside' ( AGM)
Geranium clarkey 'Kashmir White'
Geranium endressii 'Wargrave Pink
Geranium ibericum ssp jubatum 'Vital'
Geranium libani x Geranium peleponnesiacum
Geranium x oxonianum 'Winscombe'
Geranium phaeum 'Margaret Wilson'
Geranium pyrenaicum 'Summer Sky'
Geranium Sabani Blue, ou Geranium 'Bremigo,
Geranium sanguineum 'Canon Miles'
Geranium sanguineum var. striatum
Geranium soboliferum 'Starman'
Geranium sylvaticum 'Birch Lilac',
Geranium versicolor 'Snow White'
Hebe 'Purple Shamrock' = 'Neprock'
Helenium ' Moerheim Beauty' (AGM)
Helenium 'Rubinzwerg' (AGM)
Helenium ' Sahin's Early Flowerer' (AGM)
Helianthemum 'Wisley Primrose'
Heliopsis helianthoides 'Summer Nights'
Helleborus x hybridus 'Mrs Betty Ranicar'
Helleborus orientalis subsp. guttatus
Hemerocallis 'Black Emmanuelle'
Hemerocallis 'Black Emmanuelle'
Hemerocallis 'Little Grapette',
Hesperis matronalis var. albiflora
Heuchera 'Purple Petticoats' ( AGM)
Heuchera ' Plum Pudding'
Heuchera sanguinea 'Ruby Bells'
Hydrangea macrophylla 'Hamburg'