L
- LACY PINE FERN
- LADY BELLS
- LADY PALM
- LADY’S MANTLE
- LANTANA
- LARCH
- LARKSPUR
- LAVENDER
- LEATHERLEAF FERN
- LEEK
- LEMON BALM, SWEET BALM
- LEMON GRASS
- LEOPARD’S BANE
- LETTUCE
- LEUCANTHEMUM
- LEUCOTHOE
- LEYLAND CYPRESS
- LILAC
- LILY
- LILY OF CHINA, SACRED LILY
- LILY-OF-THE-NILE
- LILY-OF-THE-VALLEY
- LIMONIUM
- LINDEN
- LION’S TAIL, LION’S EAR
- LITTLE BLUESTEM
- LIVERWORT
- LIVISTONA
- LOBELIA
- LOBLOLLY BAY
- LOBSTER CLAW, FALSE BIRD-OF-PARADISE
- LOCUST
- LOQUAT
- LORDS AND LADIES
- LOTUS
- LOVAGE
- LOVE GRASS
- LOVE-IN-A-MIST
- LUNGWORT
- LUPINE
- LYCHEE
- LYCHNIS
- LYSIMACHIA