Perennials: Lobe - Lord (90)
Lobed Tickseed (spp.)
Lobed Tickseed Dwarf
Lobed Tickseed 'Zamphir'
Lobelia, Big Blue (spp.)
Lobelia, Big Blue 'Blue Selection'
Lobelia, Drooping
Lobelia, Giant
Lobelia, Great Blue (spp.)
Lobelia, Great Blue 'Blue Selection'
Lobelia, Great (spp.)
Lobelia, Great 'Blue Selection'
Lobelia, Mexican
Lobelia, Sierra Madre
Lobelia: laxiflora angustifolia
Lobelia: tupa
Lobster Claws
'Loch Hope' Lily of the Nile: Agapanthus
Log Fern
'Lohengrin' Mallow
'Lois Woodhull' Swedish Begonia: Plectranthus
'Lola' Red Hot Poker
'Lolitta' Gazania: Gazania
Lollipop Plant
Lomatium, Shiny
'London Gold' Perennial Sunflower
'London Pride' Saxifrage
'Lone Star' Waterlily
Long Bract Wakerobin
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 'Lila Karina'
Long-Leaf Speedwell 'Pink Damask'
Long-Leaf Speedwell 'Sunny Border Blue'
Longspur Epimedium (spp.)
Longspur Epimedium 'Lilafee'
Longspur Epimedium 'Rose Queen'
Longspur Epimedium 'Spring Wedding'
Longspur Epimedium 'White Queen'
Longstalk Tickseed 'Flying Saucers ™'
Longstalk Tickseed 'Heliot'
Longstalk Tickseed 'Sundancer'
'Longwood Hybrid' Giant Waterlily
'Longwood Pink' Star Cluster
Loosestrife
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 'Firecracker'
Loosestrife, Fringed 'Purpurea'
Loosestrife, Garden (spp.)
Loosestrife, Garden 'Alexander'
Loosestrife, Garden 'Golden Alexander'
Loosestrife, Gooseneck
Loosestrife, Hairy (spp.)
Loosestrife, Hairy 'Firecracker'
Loosestrife, Hairy 'Purpurea'
Loosestrife, Japanese
Loosestrife, Purple (spp.)
Loosestrife, Purple 'Firecandle'
Loosestrife, Purple 'Robert'
Loosestrife, Purple-leaved (spp.)
Loosestrife, Purple-leaved 'Firecracker'
Loosestrife, Purple-leaved 'Purpurea'
Loosestrife, Striped
Loosestrife, Variegated (spp.)
Loosestrife, Variegated 'Alexander'
Loosestrife, Variegated 'Golden Alexander'
Loosestrife, Yellow (spp.)
Loosestrife, Yellow 'Alexander'
Loosestrife, Yellow 'Golden Alexander'
Loosestrife: anceps, Purple
Loosestrife: ephemerum
Loosestrife: verticillata
Lord Howe Wedding Lily
'Lord of the Blues' Dutch Crocus
Lords and Ladies (spp.)
Lords and Ladies 'Marmoratum'
Lords and Ladies 'Pictum'
Lords and Ladies 'White Winter'