Heuchera 'Chocolat Ruffles' ®
Heuchera 'Lime Marmalade' ®
Heuchera micrantha 'Palace Purple'
Heuchera 'Paris' ®
Heuchera villosa 'Chantilly'
Hosta 'August Moon'
Hosta 'Happy Dayz'
Hosta 'Royal Standard'
Hosta 'Shadowland ® Diamond Lake'
Hosta sieboldiana
Hosta sieboldiana 'Great Expectations'
Hosta 'Wide Brim'
Hypericum pulchrum
Inula conyzae
Iris sibirica 'Blue Emperor'
Juncus effusus 'Spiralis'
Knautia macedonica (='Red Knight')
Knautia macedonica 'Melton Pastels'
Kniphofia 'Alcazar'
Kniphofia 'Mango Popsicle' ®
Koeleria glauca
Lamiastrum galeobdolon
Lamiastrum galeobdolon 'Florentinum'
Lamium maculatum 'Anne Greenaway'
Lamium maculatum 'Roseum'
Lamium orvala
Lavandula angustifolia 'Essence Purple'
Lavandula angustifolia 'Munstead'
Lavandula intermedia 'Edelweiss'
Leontopodium alpinum
Leptinella potentillina
Leptinella squalida 'Platts Black'
Leucanthemum 'Becky'
Leucanthemum 'Silberprinzesschen'
Leucanthemum vulgare
Leucanthemum vulgare 'Maikönigin'
Levisticum officinale
Liatris spicata
Liatris spicata 'Alba'
Limonium gmelinii 'Dazzle Rocks' ®
Liriope muscari 'Ingwersen'
Liriope muscari 'Lilac Wonder'
Liriope muscari 'Monroe White'
Liriope spicata
Lithodora diffusa 'Heavenly Blue'
Lobelia cardinalis
Lobelia siphilitica 'Alba'
Lunaria annua 'Chedglow'
Lupinus 'Le Chandelier'
Lupinus 'Noble Maiden'
Lupinus polyphyllus Mix
Lupinus 'The Chatelaine'
Lupinus 'The Governor'
Luzula nivea
Luzula pilosa 'Grünfink'
Luzula pilosa 'Igel'
Luzula sylvatica
Lychnis alpina
Lychnis coronaria 'Oculata'
Lychnis flos-cuculi
Lysimachia ciliata 'Firecracker'
Lysimachia punctata 'Hometown Hero'
Lysimachia vulgaris
Lythrum salicaria