• Lamiastrum galeobdolon
• Lamiastrum galeobdolon ‘Herman’s Pride’
• Lamiastrum galeobdolon ‘Kirkcudbright Dwarf’
• Lamium maculatum
• Lamium maculatum ‘Beacon Silver’
• Lamium maculatum ‘Pink Pewter’
• Lamium maculatum ‘White Nancy’
• Lamium orvala
• Lathyrus latifolius ‘Pink Pearl’
• Lathyrus latifolius ‘Red Pearl’
• Lathyrus latifolius ‘White Pearl’
• Lathyrus vernus
• Lavandula angustifolia
• Lavandula angustifolia ‘Alba’
• Lavandula angustifolia ‘Arctic Snow’
• Lavandula angustifolia ‘Cedar Blue’
• Lavandula angustifolia ‘Contrast’
• Lavandula angustifolia ‘Dwarf Blue’
• Lavandula angustifolia ‘Hidcote’
• Lavandula angustifolia ‘Imperial Gem’
• Lavandula angustifolia ‘Kielapro’ (LAVANCE PURPLE)
• Lavandula angustifolia ‘Melissa Lilac’
• Lavandula angustifolia ‘Munstead’
• Lavandula angustifolia ‘Rosea’
• Lavandula angustifolia ‘Thumbelina Leigh’
• Lavandula intermedia ‘Dutch’
• Lavandula intermedia ‘Edelweiss’
• Lavandula intermedia ‘Fragrant Memories’
• Lavandula intermedia ‘Grosso’
• Lavandula intermedia ‘Phenomenal’
• Lavandula intermedia ‘Tesseract’ (SENSATIONAL!)
• Lavandula intermedia ‘Vera’
• Lavandula stoechas
• Lavandula stoechas ‘Blue Star’
• Lavatera ‘Barnsley Baby’
• Lavatera ‘Blue Bird’
• Lavatera ‘Bredon Springs’
• Lavatera ‘Candy Floss’
• Lavatera ‘Chamallow’
• Lavatera ‘Red Rum’
• Lavatera ‘Silver Barnsley’
• Lavatera olbia ‘Ruby Star’
• Lavatera trimestris ‘Twins Hot Pink’
• Legousia speculum veneris
• Leontodon hispidus
• Leontopodium alpinum
• Leontopodium alpinum ‘Berghman’ (BLOSSOM OF SNOW)
• Leonurus cardiaca
• Leptinella potentilliana
• Leptinella squalida
• Leptinella squalida ‘Platt’s Black’
• Leucanthemella serotina
• Leucanthemella serotina ‘Herbststern’
• Leucanthemum ‘Alaska’
• Leucanthemum ‘Christine Hageman’
• Leucanthemum ‘Crazy Daisy’
• Leucanthemum ‘Goldfinch’
• Leucanthemum ‘Madonna’
• Leucanthemum ‘Real Galaxy’
• Leucanthemum ‘Snow Cap’
• Leucanthemum ‘Stina’
• Leucanthemum ‘Victorian Secret’
• Leucanthemum superbum ‘Paladin’
• Leucanthemum vulgare
• Leucanthemum vulgare ‘Maikoenigin’
• Leucosceptrum japonicum ‘Golden Angel’
• Leucosceptrum japonicum ‘Silver Angel’
• Leucosceptrum stellipilum formosanum
• Levisticum officinale
• Lewisia cotyledon ‘Mountain Dreams’
• Liatris aspera
• Liatris pycnostachya
• Liatris scariosa ‘Alba’
• Liatris spicata
• Liatris spicata ‘Alba’
• Liatris spicata ‘Kobold’
• Libertia formosa
• Libertia grandiflora
• Libertia peregrinans
• Ligularia ‘Osiris Fantaisie’
• Ligularia dentata ‘Britt-Marie Crawford’
• Ligularia dentata ‘Desdemona’
• Ligularia dentata ‘Little Golden Ray’
• Ligularia dentata ‘Moorblut’
• Ligularia dentata ‘Pandora’
• Ligularia przewalskii
• Ligularia stenocephala ‘The Rocket’
• Ligusticum mutellinoides f. roseum
• Lilium ‘Arabian Night’
• Lilium lancifolium splendens
• Limonium ‘Salt Lake’
• Limonium latifolium
• Linaria ‘Peachy’
• Linaria purpurea
• Linaria purpurea ‘Canon J. Went’
• Linum perenne
• Linum perenne ‘Saphir’
• Liriope muscari
• Liriope muscari ‘Big Blue’
• Liriope muscari ‘Emerald Cascade’
• Liriope muscari ‘Gold Banded’
• Liriope muscari ‘Ingwersen’
• Liriope muscari ‘John Burch’
• Liriope muscari ‘Lilac Wonder’
• Liriope muscari ‘Moneymaker’
• Liriope muscari ‘Monroe White’
• Liriope muscari ‘Purple Passion’
• Liriope muscari ‘Royal Purple’
• Liriope spicata
• Lobelia ‘Queen Victoria’
• Lobelia ‘Tania’
• Lobelia siphilitica
• Lobelia speciosa ‘Fan Blue’
• Lobelia speciosa ‘Starship Deep Rose’
• Lobelia tupa
• Lobelia x speciosa ‘Fan Scarlet’
• Lotus uliginosis
• Lunaria annua
• Lunaria rediviva
• Lupinus ‘Camelot Blue’
• Lupinus ‘Camelot Pink’
• Lupinus ‘Camelot Red’
• Lupinus ‘Camelot Yellow’
• Lupinus ‘Gallery Pink’
• Lupinus ‘Legendary Rose Shades’
• Lupinus ‘Legendary Yellow Shades’
• Lupinus ‘Lyanna’
• Lupinus ‘Manhattan Lights’ (WESTCOUNTRY SERIE
• Lupinus ‘Midnight Majesty’
• Lupinus ‘Terracotta’
• Lupinus ‘The Chatelaine’
• Lupinus ‘The Pages’
• Lupinus polyphyllus WEST COUNTRY ‘Blacksmith’
• Lupinus West Country ‘Persian Slipper’
• Luzula sylvatica ‘Tauernpass’
• Lychnis chalcedonica
• Lychnis coronaria
• Lychnis coronaria ‘Alba’
• Lychnis flos-cuculi
• Lychnis flos-cuculi ‘Lychjen’ (JENNY)
• Lychnis flos-cuculi ‘Petit Henri’
• Lychnis flos-cuculi ‘Petite Jenny’
• Lychnis flos-cuculi ‘White Robin’
• Lychnis viscaria ‘Plena’
• Lychnis viscaria ‘Splendens’
• Lysimachia barystachys
• Lysimachia ciliata ‘Firecracker’
• Lysimachia clethroides
• Lysimachia ephemerum
• Lysimachia nummularia
• Lysimachia punctata
• Lysimachia punctata ‘Alexander’
• Lysimachia vulgaris
• Lythrum salicaria
• Lythrum salicaria ‘Blush’
• Lythrum salicaria ‘Lady Sackville’
• Lythrum salicaria ‘Robert’
• Lythrum salicaria ‘Robin’
• Lythrum salicaria ‘Swirl’
• Lythrum virgatum ‘Dropmore Purple’
• Lythrum virgatum ‘Dropmore Scarlet’
• Lythrum virgatum ‘Happiness’
• Lythrum virgatum ‘Helene’
• Lythrum virgatum ‘Joy’
• Lythrum virgatum ‘Sunfields Beauty’