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