LACTUCA triangularis
LAMIUM maculatum ‘Red Nancy’
LAMIUM maculatum ‘Wootton Pink’
LAMIUM orvala
LAMIUM galeobdolon ‘Hermann’s Pride’
LAMIUM maculatum ‘Album’
LARDIZABALA funaria
LATHYRUS latifolius ‘White Pearl’
LATHYRUS rotundifolius
LATHYRUS rotundifolius hybrids
LATHYRUS aureus
LATHYRUS vernus albus
LATHYRUS vernus ‘Spring Melody’
LATHYRUS roseus
LATHYRUS vernus
LATHYRUS vernus ‘Alboroseus’
LATHYRUS davidii
LATHYRUS venetus
LATHYRUS aureus variegated
LAVANDULA ‘Sawyers’
LAVATERA thuringiaca
LAVATERA thuringiaca ‘Ice Cool’
LAVATERA cachemiriana
LEDEBOURIA cooperi
LEONORUS sibirica
LEUCANTHEMELLA serotina
LEUCANTHEMUM vulgare ‘Maikönigin’
LEUCOJUM aestivum
LEUCOJUM autumnale ‘Cobb’s Variety’
LEUCOTHOE CARINELLA ‘Zebekot’
LEUCOTHOE fontanesiana ‘Lovita’
LEUCOTHOE grayana seedlings
LEUCOTHOE ‘Zeblid’
LIATRIS graminifolia
LIATRIS pycnostachya
LIBERTIA ‘Amazing Grace’
LIBERTIA grandiflora Cally strain
LIBERTIA peregrinans
LIBERTIA ixioides
LIBERTIA grandiflora
LIBERTIA formosa
LIGULARIA calthifolia
LIGULARIA dentata
LIGULARIA dentata ‘Desdemona’
LIGULARIA dentata ‘Othello’
LIGULARIA ‘Moorblut’
LIGULARIA species ex. Russia
LIGULARIA trichocephala
LIGULARIA veitchiana
LIGULARIA vorobievii
LIGULARIA ‘Zepter’
LIGULARIA yoshizoeana ‘Palmatiloba’
LIGULARIA przewalskii
LIGULARIA palmatiloba
LIGULARIA ‘Weihenstephan’
LIGULARIA species AP
LIGULARIA sachalinensis
LIGULARIA ‘Franz Marc’
LIGULARIA dentata ‘Britt-Marie Crawford’
LILIUM formosanum
LILIUM mackliniae
LILIUM pomponium
LILIUM pumilum
LILIUM species ex Russia
LILIUM distichum
LILIUM pyrenaicum
LILIUM lancifolium ‘Flore Pleno’
LIMONIUM gmelinii ‘Perestrojka’
LIMONIUM platyphyllum ‘Violetta’
LIMONIUM platyphyllum ‘Robert Butler’
LIMONIUM platyphyllum
LINARIA species
LINDELOFIA longiflora
LINDELOFIA macrostyla
LIRIOPE exiliflora
LIRIOPE graminifolia
LIRIOPE ‘Majestic’
LIRIOPE muscari ‘Monroe White’
LIRIOPE spicata ‘Alba’
LIRIOPE muscari
LIRIOPE cultivar
LIRIOPE koreana
LIRIOPE muscari ‘Gold-banded’
LIRIOPE ex. India AP197
LIRIOPE muscari ‘Variegata’
LOASA triphylla volcanica
LOBELIA bridgesii
LOBELIA cardinalis
LOBELIA excelsa
LOBELIA laxiflora angustifolia
LOBELIA sessilifolia
LOBELIA siphilitica
LOBELIA siphilitica ‘Alba’
LOBELIA ‘Tania’
LOBELIA tupa
LOBELIA gerardii ‘Vedrariensis’
LOBELIA excelsa
LOMANDRA longifolia
LONICERA alseuosmoides
LONICERA ‘Cally Woods’
LONICERA caprifolium ‘Anna Fletcher’
LONICERA implexa
LONICERA periclymenum
LONICERA periclymenum ‘Belgica’
LONICERA periclymenum ‘Graham Thomas’
LONICERA periclymenum ‘Serotina’
LONICERA periclymenum ‘Sweet Sue’
LONICERA sempervirens
LONICERA tragophylla
LONICERA tragophylla ‘Maurice Foster’
LONICERA americana
LONICERA brownii
LONICERA brownii ‘Fuchsioides’
LONICERA sempervirens sulphurea
LONICERA sempervirens ‘Cedar Lane’
LONICERA albiflora
LONICERA involucrata
LOTUS pentaphyllus
LUNARIA rediviva
LUZULA luzuloides ‘Schneehäschen’
LUZULA sylvatica ‘Aurea’
LUZULA sylvatica ex. Tatra Mountains
LUZULA sylvatica ‘Tauernpass’
LUZULA nivea
LUZULA ex. New Guinea
LUZULA sylvatica ‘Marginata’
LUZULA sylvatica ‘Taggart’s Cream’
LUZULA pilosa
LYCHNIS yunnanensis
LYCHNIS chalcedonica ‘Carnea’
LYCHNIS viscaria ‘Alba’
LYCHNIS chalcedonica ‘Flore Pleno’
LYCORIS radiata
LYGODIUM japonicum
LYSIMACHIA ephemerum
LYSIMACHIA nummularia ‘Aurea’
LYSIMACHIA species ex. Russia
LYTHRUM salicaria ‘Blush’
LYTHRUM salicaria
LYTHRUM salicaria ‘The Beacon’
LYTHRUM virgatum
LYTHRUM salicaria ‘Morden Pink’
LYTHRUM salicaria ‘Feuerkerze’
LYTHRUM salicaria ‘Lady Sackville’