| Z |
| Zebra
grass, Miscanthus sinensis 'Zebrinus' |
| Zephirine
Drouhin rose, Rosa 'Zephirine Drouhin' |
| Zelkova,
Japanese, Zelkova serrata |
| Zelkova,
Schneider, Zelkova schneideriana |
| Zenobia, Dusty, Zenobia pulverulenta |
| Zinnia,
Creeping, Zinna angustifolia |
| Zinnia,
Mexican, Zinnia haagenana |
| Zinnia,
Zinnia elegans |