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