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