Perennials

Agapanthus 'Rfdd Double Diamond' - dwarf 17

Agastache nepetoides ‘Piet’s Form’ 12

Ageratina altissima ‘Chocolate’ 10

Alcea 'Summer Carnival' 7

Allium 'Summer Beauty' 8

Allium senescens 8

Alstroemeria psittacina 10

Althaea officinalis 8

Amsonia hubrichtii 10

Anemonella thalictroides 'Betty Blake' 15

Angelica 'Vicar's Mead' 8

Aquilegia grata 7

Calamintha nepeta subsp. nepeta 8

Campanula incurva 10

Campanula primulifolia 8

Chiastophyllum oppositifolium 8

Codonopsis clematidea 10

Crambe maritima 10

Crinum x powellii 13

Crocosmia 'Solfatare' 15

Dactylorhiza sp. 25

Eryngium variifolium 12

Eryngium yuccifolium 12

Eurybia divaricata 10

Fascicularia bicolor 12

Gentiana asclepiadea 15

Geranium macrorrhizum 'White Ness' 10

Glycyrrhiza yunnanensis 10

Helleborus multifidus subsp. bocconei 14

Iris chrysographes 'Dark Form' 10

Iris confusa 'Martyn Rix' 13

Kirengeshoma palmata 'Black Style' 15

Kniphofia northiae 16

Lathyrus niger 10

Lobelia siphilitica 8

Lysimachia paridiformis var. stenophylla 35

Molopospermum peloponnesicum 15

Monarda punctata 10

Morina longifolia 10

Mukdenia rossii 10

Mukdenia rossii 'Herronswood Form' 15

Myrrhis odorata 7

Omphalodes nitida 10

Origanum laevigatum 'Herrenhausen' 10

Origanum laevigatum 'Rosenkuppel' 10

Origanum vulgare ‘Ingolstadt’ 10

Orlaya grandiflora - annual 5

Galtonia / Ornithogalum viridiflorum 10

Persicaria 'Lance Corporal' 12

Persicaria 'Pink Elephant' 12

Persicaria 'Purple Fantasy' 14

Persicaria 'Red Dragon' 14

Persicaria affinis 'Dimity' 7

Petrorhagia saxifraga 7

Peucedanum verticillare 7

Phlomis russeliana 10

Phlox 'Blue Moon' 8

Podophyllum hexandrum 14

Podophyllum peltatum 12

Polygonatum humile 10

Pycnanthemum muticum 8

Roscoea x beesiana 17

Salvia ‘Smouldering Torches’ 10

Sisyrinchium striatum 13

Smilacina racemosa var. amplexicaulis 10

Speirantha convallarioides 16

Symphyotrichum ericoides ‘Snow Flurry’ 13

Symphyotrichum novae-angliae 'Andenken an Alma Potschke' 12

Thalictrum delavayi var. decorum 12

Thalictrum isopyroides 8

Tricyrtis macrantha ssp. macranthopsis 25

Trillium luteum 16

Tropaeolum ciliatum 18

Uvularia perfoliata 7

Veratrum formosanum 14

Verbascum chaixii ‘Album’ 8

Verbena hastata 'Alba' 8

Veronicastum virginicum 'Fascination' 12

Viola elatior 8

Viola jooi 6

Viola yedoensis 6

Zingiber mioga ‘Silver Arrow’ 17