| Latin Name | Common Name | Habit | Height | Hardiness | Growth | Soil | Shade | Moisture | Edible | Medicinal | Other |
| Blechnum spicant | Hard Fern, Deer fern | Fern | 0.3 |
4-8
| S | LMH | FSN | M | 2 | 1 | |
| Cardaria draba | Hoary Cress, Whitetop | Perennial | 1.0 |
5-9
| | LMH | SN | M | 2 | 1 | 0 |
| Cardiocrinum cordatum | | Bulb | 1.8 |
6-9
| | LMH | S | M | 2 | 0 | |
| Cardiocrinum giganteum | | Bulb | 1.8 |
6-9
| | LMH | S | M | 0 | 1 | |
| Caulophyllum thalictroides | Papoose Root, Blue cohosh | Perennial | 0.5 |
6-9
| | LM | FS | M | 1 | 3 | |
| Chlorogalum pomeridianum | Soap Lily, Wavyleaf soap plant | Bulb | 2.0 |
7-10
| | LMH | SN | M | 3 | 2 | 0 |
| Cicerbita alpina | Blue Sow Thistle | Perennial | 1.0 |
4-8
| | LM | S | M | 2 | 1 | |
| Coreopsis calliopsidea | Leafstem tickseed | Annual | 0.6 |
0-0
| | LM | N | DM | 0 | 0 | |
| Coreopsis gigantea | Giant coreopsis, Sea Dahlia | Perennial | 2.5 |
10-11
| M | LM | N | DM | 0 | 0 | |
| Coronopus didymus | Swine Wartcress, Lesser swinecress | Annual/Biennial | 0.3 |
0-0
| | LMH | SN | M | 2 | 0 | 0 |
| Cyathodes colensoi | | Shrub | 0.3 |
7-10
| S | LMH | S | M | 2 | 0 | |
| Cyathodes fraseri | | Shrub | 0.2 |
7-10
| S | LMH | FS | M | 2 | 0 | |
| Cymbalaria muralis | Kenilworth Ivy | Perennial | 0.1 |
3-7
| | LMH | S | DM | 2 | 1 | |
| Elymus glauca | Blue Wild Rye | Perennial | 1.0 |
4-8
| | LMH | N | DM | 2 | 0 | |
| Farfugium japonicum | Leopard Plant | Perennial | 0.8 |
6-10
| M | LMH | SN | M | 1 | 1 | |
| Fritillaria camschatcensis | Kamchatka Lily, Kamchatka fritillary | Bulb | 0.5 |
4-8
| | LM | SN | M | 4 | 0 | |
| Fritillaria pudica | Yellow Fritillary | Bulb | 0.2 |
3-7
| | LM | SN | DM | 3 | 0 | |
| Gaylussacia dumosa | Dwarf Huckleberry | Shrub | 0.3 |
5-9
| | LM | SN | M | 3 | 0 | 0 |
| Ixeris dentata | | Perennial | 0.5 |
-
| | LMH | SN | M | 2 | 0 | |
| Ixeris japonica | | Perennial | 0.2 |
-
| | LMH | SN | M | 1 | 0 | |
| Ixeris polycephala | | Biennial | 0.3 |
-
| | LMH | SN | MWe | 1 | 1 | |
| Kickxia elatine | Fluellen, Sharpleaf cancerwort | Annual | 0.5 |
0-0
| | LM | SN | M | 0 | 1 | 0 |
| Kummerowia stipulacea | Korean Lespedeza, Korean clover | Annual | 0.4 |
0-0
| F | LMH | N | DM | 0 | 1 | 0 |
| Lablab purpureus | Hyacinth Bean, Bonavist-bean | Perennial Climber | 2.0 |
9-11
| F | LMH | N | M | 4 | 2 | 0 |
| Laburnum alpinum | Scotch Laburnum, Alpine Bea Tree, Alpine Golden Chain Tree | Tree | 5.0 |
4-7
| F | LMH | SN | DM | 0 | 1 | |
| Laburnum anagyroides | Laburnum, Golden chain tree | Tree | 6.0 |
4-8
| F | LMH | SN | DM | 0 | 1 | 4 |
| Lachnanthes carolina | Red Root | Perennial | 1.0 |
-
| | LM | SN | M | 0 | 2 | |
| Lactuca biennis | Tall Blue Lettuce | | 0.0 |
-
| | LMH | SN | M | 0 | 1 | |
| Lactuca canadensis | Canada Lettuce | Biennial | 3.0 |
-
| | LM | SN | M | 2 | 3 | |
| Lactuca capensis | | Perennial | 0.5 |
-
| | LM | SN | M | 1 | 2 | |
| Lactuca debilis | | Perennial | 0.0 |
-
| | LM | SN | M | 3 | 2 | |
| Lactuca formosana | | | 0.0 |
-
| | LM | SN | M | 1 | 2 | |
| Lactuca indica | Indian Lettuce | Perennial | 1.2 |
-
| | LM | SN | M | 3 | 2 | |
| Lactuca indica dracoglossa | | Annual/Biennial | 1.0 |
-
| | LM | SN | M | 2 | 2 | |
| Lactuca indica laciniata | | Perennial | 1.2 |
-
| | LM | SN | M | 3 | 2 | |
| Lactuca ludoviciana | Western Wild Lettuce, Biannual lettuce | Biennial | 1.2 |
0-0
| | LM | SN | M | 2 | 2 | |
| Lactuca perennis | Perennial Lettuce | Perennial | 0.6 |
5-9
| | LM | N | DM | 3 | 2 | |
| Lactuca pulchella | Blue Lettuce | Perennial | 1.0 |
-
| | LM | SN | M | 2 | 2 | |
| Lactuca quercina | Wild Lettuce | Annual/Biennial | 1.0 |
-
| | LM | SN | M | 2 | 3 | |
| Lactuca raddeana | | Annual/Biennial | 0.6 |
-
| | LM | SN | M | 2 | 2 | |
| Lactuca sativa | Lettuce, Garden lettuce | Annual/Biennial | 0.9 |
5-9
| | LM | SN | M | 3 | 3 | 1 |
| Lactuca sativa angustana | Celtuce | Annual/Biennial | 0.6 |
5-9
| | LM | SN | M | 3 | 3 | |
| Lactuca sativa capitata | Cabbage Lettuce | Annual/Biennial | 0.9 |
5-9
| | LM | SN | M | 3 | 3 | |
| Lactuca sativa crispa | Cutting Lettuce | Annual/Biennial | 0.9 |
5-9
| | LM | SN | M | 3 | 3 | |
| Lactuca sativa longifolia | Cos Lettuce | Annual/Biennial | 0.9 |
5-9
| | LM | SN | M | 3 | 3 | |
| Lactuca serriola | Prickly Lettuce | Biennial | 1.5 |
6-9
| | LM | N | M | 2 | 3 | 0 |
| Lactuca sibirica | Prickly lettuce | Perennial | 1.0 |
0-0
| | LM | SN | M | 2 | 2 | |
| Lactuca triangulata | | Biennial/Perennial | 1.0 |
-
| | LM | SN | M | 1 | 2 | |
| Lactuca virosa | Wild Lettuce, Bitter lettuce | Annual/Biennial | 1.8 |
5-9
| | LM | N | M | 1 | 3 | |
| Lacunaria jenmanii | Moela de mutum | Tree | 10.0 |
10-12
| S | LMH | SN | M | 4 | 0 | 2 |
| Lagarostrobus colensoi | | Tree | 0.0 |
7-10
| | LM | S | M | 0 | 0 | |
| Lagarostrobus franklinii | Huon Pine | Tree | 15.0 |
7-10
| S | LM | S | M | 2 | 0 | |
| Lagenaria siceraria | Bottle Gourd | Annual Climber | 9.0 |
10-12
| F | LMH | N | M | 3 | 2 | 5 |
| Lagerstroemia indica | Crepe Myrtle, Crepeflower | Shrub | 5.0 |
7-9
| M | LMH | N | DM | 0 | 2 | |
| Lagochilus inebrians | Intoxicating Mint | Shrub | 1.0 |
-
| | LM | N | DM | 1 | 2 | |
| Lagoecia cuminoides | Wild Cumin | Annual | 0.3 |
-
| | LMH | SN | M | 1 | 0 | |
| Lallemantia iberica | | Annual/Biennial | 0.5 |
6-9
| | LM | N | M | 3 | 0 | |
| Lamium album | White Dead Nettle | Perennial | 0.6 |
5-9
| M | LMH | SN | M | 2 | 3 | 3 |
| Lamium amplexicaule | Henbit, Henbit deadnettle | Annual | 0.3 |
0-0
| | LM | N | DM | 2 | 1 | 0 |
| Lamium galeobdolon | Yellow Archangel | Perennial | 0.3 |
3-9
| F | LMH | FSN | M | 2 | 1 | 3 |
| Lamium purpureum | Red Dead Nettle, Purple deadnettle | Annual | 0.3 |
4-8
| | LMH | SN | M | 2 | 1 | 0 |
| Lancea tibetica | | Perennial | 0.1 |
-
| | LMH | SN | M | 0 | 2 | |
| Landolphia heudelotii | Guinea gumvine, Landolphia rubber | Climber | 15.0 |
10-12
| F | LM | N | MWe | 3 | 2 | 3 |
| Landolphia kirkii | Sand apricot-vine, Coast rubber vine, Wildpeach | Climber | 15.0 |
10-12
| F | LMH | SN | M | 2 | 0 | 2 |
| Lansium domesticum | Langsat, Lansa, Lanzon | Tree | 15.0 |
11-12
| S | MH | SN | M | 4 | 2 | 3 |
| Lantana camara | Wild Sage, Lantana Verbena | Shrub | 1.8 |
8-12
| F | LMH | SN | DMWe | 2 | 4 | 3 |
| Lapageria rosea | Chilean Bellflower | Climber | 5.0 |
8-11
| M | LMH | FS | DM | 3 | 0 | |
| Laportea bulbifera | | Perennial | 0.6 |
-
| | LMH | SN | M | 3 | 0 | |
| Laportea canadensis | Canadian Wood Nettle | Perennial | 1.0 |
0-0
| | LMH | SN | M | 3 | 1 | 2 |
| Laportea macrostachya | | Perennial | 0.8 |
-
| | LMH | SN | M | 3 | 0 | |
| Lapsana apogonoides | | Biennial | 0.3 |
-
| | LMH | SN | M | 1 | 0 | |
| Lapsana communis | Nipplewort, Common nipplewort | Annual | 0.9 |
4-8
| | LMH | SN | M | 2 | 0 | 0 |
| Lapsana humilis | | Biennial | 0.3 |
-
| | LMH | SN | M | 1 | 0 | |
| Lardizabala biternata | Zabala Fruit | Climber | 3.5 |
8-11
| | LM | S | M | 3 | 0 | |
| Laretia acaulis | | | 0.0 |
-
| | LMH | SN | M | 0 | 0 | |
| Larix decidua | Larch, European Larch, Common Larch | Tree | 45.0 |
3-6
| F | LM | N | M | 2 | 3 | |
| Larix gmelinii | Dahurian Larch, Kurile larch | Tree | 30.0 |
0-0
| S | LM | N | M | 0 | 0 | |
| Larix kaempferi | Japanese Larch | Tree | 45.0 |
4-6
| F | LMH | SN | M | 0 | 0 | |
| Larix laricina | Tamarack, Hackmatack, American Larch | Tree | 18.0 |
2-5
| M | LM | N | MWe | 2 | 2 | |
| Larix lyallii | Sub-Alpine Larch | Tree | 25.0 |
3-7
| | LMH | SN | M | 1 | 0 | |
| Larix occidentalis | Western Larch | Tree | 45.0 |
2-6
| F | LM | N | M | 2 | 2 | |
| Larix potaninii | Larch | Tree | 35.0 |
4-8
| M | LM | N | M | 0 | 0 | |
| Larix sibirica | Siberian Larch | Tree | 30.0 |
-
| | LMH | SN | M | 0 | 0 | |
| Larix x marschlinsii | Dunkeld Hybrid Larch | Tree | 50.0 |
2-6
| F | LM | N | M | 0 | 0 | |
| Larrea tridentata | Creosote Bush - Chaparral | Shrub | 4.0 |
7-10
| | LMH | SN | M | 2 | 2 | 3 |
| Laser trilobum | Gladich | Perennial | 1.2 |
-
| | LMH | SN | M | 2 | 0 | |
| Laserpitium latifolium | Laserwort | Perennial | 1.5 |
-
| | LMH | SN | M | 1 | 1 | |
| Laserpitium prutenicum | | Biennial | 0.9 |
-
| | LMH | SN | M | 0 | 1 | |
| Laserpitium siler | | Perennial | 1.0 |
-
| | LMH | SN | M | 1 | 1 | |
| Lasthenia glabrata | Yellowray Goldfields, Coulter's goldfields | Annual | 0.3 |
0-0
| | LMH | N | M | 1 | 0 | |
| Lathyrus alatus | | Perennial | 0.6 |
-
| | LMH | SN | M | 1 | 0 | |
| Lathyrus aphaca | Yellow-Flowered Pea | Annual | 0.9 |
-
| | LMH | N | DM | 1 | 1 | |
| Lathyrus cicera | Chickling Vetch, Red pea | Annual | 0.0 |
0-0
| | LMH | N | M | 1 | 0 | |
| Lathyrus davidii | | Perennial | 1.2 |
5-9
| | LMH | SN | M | 1 | 0 | |
| Lathyrus japonicus | Beach Pea, Smallflower beach pea | Perennial | 0.6 |
3-7
| | LMH | N | DM | 2 | 0 | |
| Lathyrus japonicus maritimus | Beach Pea | Perennial | 0.6 |
3-7
| | LMH | N | DM | 2 | 0 | 3 |
| Lathyrus latifolius | Perennial Sweet Pea, Perennial pea | Perennial Climber | 2.0 |
5-9
| F | LMH | SN | DM | 1 | 0 | 2 |
| Lathyrus linifolius montanus | Bitter Vetch | Perennial | 0.6 |
5-9
| | LMH | SN | M | 2 | 0 | 3 |
| Lathyrus nervosus | Lord Anson's Pea | Perennial Climber | 0.5 |
8-11
| | LMH | N | M | 2 | 0 | |
| Lathyrus ochroleucas | Cream Peavine | Perennial | 1.0 |
-
| | LMH | SN | M | 1 | 1 | |
|