Gaillardia 'Fanfare' Gaillardia 'Mandarin'
Gaillardia aestivalis var. winklerii Gaillardia aristata
Gaillardia aristata 'Arizona Sun' Gaillardia aristata 'Bijou'
Gaillardia x grandiflora Gaillardia x grandiflora 'Apricot-Orange Sport'
Gaillardia x grandiflora 'Arizona Apricot' Gaillardia x grandiflora 'Baby Cole'
Gaillardia x grandiflora 'Burgundy' Gaillardia x grandiflora 'Dazzler'
Gaillardia x grandiflora 'Goblin' Gaillardia x grandiflora 'Summer's Kiss'
Gaillardia x grandiflora 'The Sun' Gaillardia pinnatifida
Gaillardia pulchella Gaillardia pulchella 'Red Plume'
Gaillardia pulchella 'Sundance Bicolor' Gaillardia pulchella 'Torch Yellow'
Gaillardia pulchella 'Yellow Plume' Gaillardia pulchella 'Yellow Sun'
Galanthus elwesii Galanthus nivalis
Galanthus nivalis 'Flore-Pleno' Galax urceolata
Galium odoratum Galphimia glauca
Galtonia candicans Galtonia princeps
Galvezia speciosa Gamolepis chrysanthemoides
Garcinia spicata Gardenia augusta
Gardenia augusta 'Grifis Select' Gardenia augusta 'Kleims Hardy'
Gardenia augusta 'Prostrata' Gardenia augusta 'Veitchii'
Gardenia spatulifolia Garrya elliptica
Garrya elliptica 'Evie' Garrya x issaquahensis 'Glasnevin Wine'
Gasteria x Gasteria carinata var. verrucosa
Gasteria spp. Gaultheria miqueliana
Gaultheria mucronata 'Bell's Seedling' Gaultheria procumbens
Gaultheria shallon Gaultheria yunnanensis
Gaura 'Karalee White' Gaura 'Pink Fountains'
Gaura 'So White' Gaura 'White Fountains'
Gaura sinuata Gaussia attenuata
Gaylussacia brachycera Gazania 'Tiger Mix'
Gazania linearis 'Colorado Gold' Gazania rigens
Gazania rigens 'Aureo Variegata' Gazania rigens 'Bronze Red'
Gazania rigens 'Chansonette Pink Shades' Gazania rigens 'Cream Beauty'
Gazania rigens 'Daybreak Bright Orange' Gazania rigens 'Daybreak Red Stripe'
Gazania rigens 'Gazebo Clear Vanilla' Gazania rigens 'Kiss Yellow'
Gazania rigens 'Mini Star' Gazania rigens 'Sundrop'
Gazania rigens 'Talent' Gazania rigens 'Talent Rose Shades'
Gazania rigens 'Talent White' Gazania rigens 'Trailing Yellow'
Gazania rigens 'Variegata' Gazania rigens var. uniflora
Geijera parviflora Geissois benthamii
Gelsemium sempervirens Genista aetnensis
Genista canariensis Genista hispanica
Genista horrida Genista lydia
Genista lydia 'Select (BangleŽ)' Genista sagittalis
Genista x spachiana Genista tinctoria 'Royal Gold'
Gentiana Gentiana acaulis
Gentiana asclepiadea Gentiana asclepiadea 'Rosea'
Gentiana clausa Gentiana flavida
Gentiana freyniana Gentiana x macaulayi
Gentiana makinoi 'Marsha' Gentiana septemfida
Gentiana septemfida var. lagodechiana Gentiana sino-ornata