Salvia  × sylvestris 'Blue Hill'
Calocedrus decurrens
Geranium macrorrhizum 'Bevan's Variety'
Allium moly and cvs.
Salvia nemorosa
Santolina chamaecyparissus
Salvia officinalis 'Berggarten'
Salvia pratensis
Salvia officinalis 'Tricolor'
Allium senescens var. glaucum
Correa 'Dusky Bells'
Allium schoenoprasum
Agastache aurantiaca 'Shades of Orange'
Pelargonium ‘Roger’s Delight’
Ocimum basilicum
Symphytum  × uplandicum 'Axminster Gold'
Thymus polytrichus subsp. britannicus
Pelargonium crispum
Salvia reptans
Agastache rupestris
Thymophylla tenuiloba
Tanacetum parthenium
Artemisia ludoviciana
Aster oblongifolius 'October Skies'
Tulbaghia violacea
Artemisia absinthium
Salvia 'Maraschino'
Dianthus × allwoodii
Agastache foeniculum 'Golden Jubilee'
Eucalyptus neglecta
Teucrium chamaedrys var. compactum
Plectranthus amboinicus
Agastache cana
Nepeta  × faassenii ‘Dropmore’
Pelargonium sidoides
Caryopteris × clandonensis 'Longwood Blue'
Plectranthus purpuratus
Clerodendrum trichotomum
Salvia  × superba
Salvia officinalis 'Icterina'
Thymus pseudolanuginosus
Symphytum 'Hidcote Blue'
Caryopteris incana 'Jason'
Illicium parviflorum
Calamintha nepeta
Achillea millefolium ‘Fire King’
Thymus  × citriodorus 'Argenteus'
Origanum vulgare 'Aureum’
Salvia hians
Salvia officinalis 'Minimus'
Teucrium chamaedrys
Acorus calamus ‘Variegatus’
Agastache 'Desert Sunrise'
Nepeta  × faassenii 'Walker's Low'
Lavandula stoechas
Dennstaedtia punctilobula
Salvia pachyphylla
Salvia nemorosa 'Caradonna'
Myrrhis odorata
Lavandula  × intermedia 'Grosso'
Allium thunbergii
Thymus serphyllum 'Annie Hall'
Ribes sanguineum 'White Icicle'
Pelargonium tomentosum
Rosa rugosa 'Polar Ice'
Illicium mexicanum
Pelargonium ‘Pungent Peppermint’
Pelargonium ‘Lady Scarborough’
Salvia officinalis
Pelargonium ‘Attar of Roses’
Salvia dorrii
Caryopteris  × clandonensis 'First Choice'
Gaultheria procumbens
Salvia officinalis 'Purpurascens'
Ocimum  × citriodorum 'Pesto Perpetuo'
Chamaemelum nobile and cvs.
Parthenium integrifolium
Agastache rugosa