| Z> |
| Zantedeschia aethiopica, Calla lily |
| Zantedeschia, Calla lily |
| Zanthoxylum simulans, Flatspine prickly ash |
| Zea mays cvs, Striped corn; Variegated corn |
| Zea mays var. Japonica, Ornamental corn |
| Zelkova schneideriana, Schneider zelkova |
| Zelkova serrata, Japanese zelkova |
| Zenobia pulverulenta, Dusty zenobia |
| Zenobia pulverulenta, Dusty zenobia |
| Zephyranthes altamasco, Atamasco lily |
| Zephyranthes, Zephyr lily; Fairy lily; Rain lily |
| Zinna angustifolia, Creeping zinnia |
| Zinnia elegans, Zinnia |
| Zinnia haagenana, Mexican zinnia |
| Zizia trifoliate, Meadow parsnip; Golden alexander |
| Ziziphus jujuba, Common jujuba; Chinese date |