Hieracium lanatum Hieracium maculatum 'Leopard'
Hippeastrum 'Ruby Meyer' Hippeastrum 'Safari'
Hippeastrum 'Vera' Hippeastrum x hybridum
Hippeastrum x hybridum 'Masai' Hippeastrum x johnsonii
Hippeastrum papilio Hippophae rhamnoides
Hippuris vulgaris Hohenbergia stellata
Holboellia latifolia Holcus mollis 'Albo-variegatus'
Holmskioldia sanguinea Holmskioldia tettensis
Holodiscus discolor Homalocladium platycladum
Homalomena sulcata Homeria collina
Homeria flaccida Hoodia currori
Hoodia gordonii Hordeum jubatum
Horminum pyrenaicum 'Pink Sunday'