Below are a selection of plants that are in trials.
Achillea ageratifolia
Agastache (Sunset) improved 184148
Agastache 'Colorado Sunlight' 184151
Agastache 'orange to pink' 184149
Caragana microphylla 'Tidy' 184131
Carex sprengelii 194415
Centranthus ruber (neptune) 184135
Chilopsis (sunscapes form) 194749
Chilopsis dwarf 051168
Dianthus 'Infinity Kiss' 184141
Dianthus 'Fuchsia Fire' 194398
Conoclinium coelestinum 194408
Liriope pontovia Precious Metals 183133
Penstemon caespitosus 'P022S' 192348
Penstemon pinnifolius dwarf 184138
Penstemon strictus (compact form) 194406
Potentilla nepalensis 'Helen Jane' 192350
Pycnanthemum flexuosum 162683
Salvia chrysophylla 163644
Sibbaldia tridentata 'Nuuk' 194396
Sideritis syriaca C (Jameson selection)
Sporobolus wrightii dwarf selection 194402
Teucrium cossonii 'Harlequin's Silver' 194394
Thermopsis lupinoides 182779
Verbascum 'Letitia' 152073
