Lobed Tickseed (spp.) Lobed Tickseed Dwarf
Lobed Tickseed 'Zamphir' Lobelia 'Fan Scarlet'
Lobelia 'Red' Lobelia, Big Blue (spp.)
Lobelia, Big Blue 'Blue Selection' Lobelia, Edging (spp.)
Lobelia, Edging 'Paper Moon' Lobelia, Garden (spp.)
Lobelia, Garden 'Paper Moon' Lobelia, Giant
Lobelia, Great Blue (spp.) Lobelia, Great Blue 'Blue Selection'
Lobelia, Great (spp.) Lobelia, Great 'Blue Selection'
Lobelia, Sierra Madre Lobelia, Trailing (spp.)
Lobelia, Trailing 'Paper Moon' Lobelia: laxiflora angustifolia
Lobelia: tupa Lobster Claws
Log Fern 'Lohengrin' Mallow
'Lois Woodhull' Swedish Begonia: Plectranthus 'Lola' Red Hot Poker
Lollipop Plant Lomatium, Shiny
'London Pride' Saxifrage 'Lone Star' Waterlily
Long Leafed Lungwort 'Bertram Anderson' Long Leafed Lungwort 'Cevennensis'
Long Leafed Lungwort 'Diana Clare' Long Leafed Lungwort 'Excalibur'
Long Petaled Iris Long Spined Barrel Cactus
Longbeak Arrowhead 'Silk Stockings' 'Longin' Russian Sage
Long-Leaf Speedwell (spp.) Long-Leaf Speedwell 'Foersters Blue'
Long-Leaf Speedwell 'Sunny Border Blue' Longspur Epimedium (spp.)
Longspur Epimedium 'Rose Queen' Longspur Epimedium 'Spring Wedding'
Longstalk Tickseed 'Flying Saucers ' Longstalk Tickseed 'Heliot'
'Longwood Hybrid' Giant Waterlily 'Longwood Pink' Star Cluster
Loosestrife, Dense Flowered 'Persian Chocolate' Loosestrife, European Wand (spp.)
Loosestrife, European Wand 'Morden Gleam' Loosestrife, European Wand 'Morden Pink'
Loosestrife, False Loosestrife, Fringed (spp.)
Loosestrife, Fringed 'Atropurpurea' Loosestrife, Fringed 'Firecracker'
Loosestrife, Fringed 'Purpurea' Loosestrife, Garden (spp.)
Loosestrife, Garden 'Alexander' Loosestrife, Gooseneck
Loosestrife, Hairy (spp.) Loosestrife, Hairy 'Atropurpurea'
Loosestrife, Hairy 'Firecracker' Loosestrife, Hairy 'Purpurea'
Loosestrife, Japanese Loosestrife, Purple (spp.)
Loosestrife, Purple 'Firecandle' Loosestrife, Purple 'Robert'
Loosestrife, Purple-leaved (spp.) Loosestrife, Purple-leaved 'Atropurpurea'
Loosestrife, Purple-leaved 'Firecracker' Loosestrife, Purple-leaved 'Purpurea'
Loosestrife, Striped Loosestrife, Variegated (spp.)
Loosestrife, Variegated 'Alexander' Loosestrife, Yellow (spp.)
Loosestrife, Yellow 'Alexander' Loosestrife: anceps, Purple
Loosestrife: ephemerum Loosestrife: lysii
Lord Howe Wedding Lily Lords and Ladies (spp.)
Lords and Ladies 'Pictum'