| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Abelia triflora | Indian Abelia | Shrub | 3.5 |
5-9
| M | LM | SN | DM | 0 | 0 | 1 |
| Bromus ramosus | Hairy Brome | Perennial | 1.5 |
4-8
| | LMH | SN | DM | 0 | 1 | |
| Microcycas calocoma | Palma corcho | Perennial | 10.0 |
10-12
| S | LMH | FSN | M | 0 | 0 | 3 |
| Zamia spp | Zamia cycads. Pine cone cycad | Perennial | 1.0 |
10-12
| S | LMH | FSN | DMWe | 2 | 0 | 4 |
| Zannichellia palustris | Horned Pondweed | Perennial | 0.5 |
-
| | LMH | SN | Wa | 0 | 0 | 2 |
| Zantedeschia aethiopica | Arum Lily, Calla lily, White Calla Lily | Perennial | 1.0 |
8-10
| M | LMH | SN | WeWa | 1 | 0 | |
| Zanthoxylum ailanthoides | | Tree | 18.0 |
8-11
| | LMH | SN | M | 2 | 1 | |
| Zanthoxylum alatum | Winged Prickly Ash | Shrub | 4.0 |
5-9
| | LMH | SN | M | 3 | 2 | 3 |
| Zanthoxylum americanum | Prickly Ash - Northern, Common pricklyash, Northern Prickly Ash | Shrub | 4.0 |
3-7
| M | LMH | SN | M | 2 | 3 | 2 |
| Zanthoxylum beecheyanum | | Shrub | 0.8 |
-
| | LMH | SN | M | 2 | 1 | |
| Zanthoxylum bungeanum | | Shrub | 6.0 |
-
| | LMH | SN | M | 2 | 3 | |
| Zanthoxylum clava-herculis | Hercules Club. Prickly Ash - Southern, Hercules' club, Southern Prickly Ash | Shrub | 3.0 |
7-11
| M | LMH | SN | M | 2 | 3 | 2 |
| Zanthoxylum coreanum | | Shrub | 0.0 |
-
| | LMH | SN | M | 1 | 1 | |
| Zanthoxylum nitidum | | Climber | 0.0 |
-
| | LMH | SN | M | 0 | 2 | 1 |
| Zanthoxylum piperitum | Japanese Pepper Tree | Shrub | 2.0 |
5-9
| | LMH | SN | M | 3 | 2 | 1 |
| Zanthoxylum planispinum | Winged Prickly Ash | Shrub | 3.5 |
5-9
| | LMH | SN | M | 3 | 2 | |
| Zanthoxylum schinifolium | Peppertree | Shrub | 4.0 |
5-9
| | LMH | SN | M | 2 | 2 | 0 |
| Zanthoxylum simulans | Szechuan Pepper, Chinese-pepper, Prickly Ash | Shrub | 4.0 |
5-8
| M | LMH | FSN | M | 3 | 2 | 0 |
| Zea hybrids | Perennial corn, Perennial Maize | Perennial | 2.0 |
8-12
| F | LMH | N | M | 5 | 3 | 3 |
| Zea mays | Sweet Corn, Corn | Annual | 2.0 |
2-11
| F | LMH | N | M | 5 | 3 | 3 |
| Zelkova schneideriana | Chinese Zelkova | Tree | 30.0 |
6-9
| F | LMH | SN | M | 0 | 0 | 2 |
| Zelkova serrata | Japanese Zelkova, Saw Leaf Zelkova | Tree | 25.0 |
5-8
| F | LMH | SN | M | 1 | 0 | 3 |
| Zephyranthes atamasca | Atamasco Lily | Bulb | 0.3 |
7-10
| | LMH | N | M | 1 | 0 | |
| Zieria smithii | Sandfly Bush | Shrub | 1.8 |
-
| | LM | N | M | 0 | 1 | 3 |
| Zingiber officinale | Ginger: Common,Cooking Stem, Canton | Perennial | 1.5 |
8-12
| F | LMH | SN | M | 4 | 5 | 2 |
| Zizania aquatica | Wild Rice, Annual wildrice | Annual | 3.5 |
5-9
| F | LMH | N | Wa | 5 | 0 | |
| Zizania latifolia | Manchurian Wild Rice | Perennial | 3.5 |
0-0
| | LMH | SN | Wa | 4 | 1 | 2 |
| Zizia aptera | Meadow zizia, Golden alexanders | Perennial | 0.6 |
4-8
| F | LMH | SN | DM | 0 | 1 | 2 |
| Zizia aurea | Golden Alexanders, Golden zizia | Perennial | 0.8 |
3-7
| | LMH | N | M | 2 | 1 | |
| Ziziphus jujuba | Jujube | Tree | 10.0 |
5-10
| F | LMH | N | DM | 4 | 3 | 3 |
| Zostera marina | Eel Grass, Seawrack | Perennial | 1.0 |
0-0
| | LM | N | Wa | 2 | 1 | 2 |
| Zoysia japonica | Korean Lawn Grass | Perennial | 0.2 |
0-0
| | LMH | N | M | 1 | 0 | 0 |
| Zygophyllum fabago | Syrian Bean Caper | Perennial | 1.2 |
7-10
| | LM | N | DM | 1 | 0 | 0 |