| Abutilon 'Canary Bird' |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Abutilon 'Kentish Belle' |
conservatory |
Yes |
OK |
OK |
Yellow |
| Achillea 'Moonshine' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Achillea 'Taygetea' |
hardy perennials |
Yes |
OK |
OK |
Pale yellow |
| Achillea clypeolata |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Achillea filipendulina 'Gold Plate' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Agave americana 'Variegata' |
succulents |
Yes |
OK |
OK |
Yellow |
| Aloe aculeata |
succulents |
Yes |
OK |
OK |
Yellow |
| Aloe marlothii |
succulents |
Yes |
OK |
OK |
Yellow |
| Aloe vera |
succulents |
Yes |
OK |
OK |
Yellow |
| Anthemis tinctoria 'E.C.Buxton' |
hardy perennials |
Yes |
OK |
OK |
Pale yellow |
| Aphelandra squarrosa |
conservatory |
OK |
Yes |
OK |
Yellow |
| Aquilegia longissima |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Aquilegia skinneri |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Arnica chamissonis |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Artemisia schmidtiana 'Nana' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Arum italicum ssp. italicum |
hardy perennials |
Yes |
Yes |
OK |
Pale yellow |
| Bauhinia tomentosa |
conservatory |
Yes |
OK |
OK |
Yellow |
| Belamcanda chinensis 'Hello Yellow' |
hardy perennials |
OK |
OK |
OK |
Yellow |
| Bignonia capreolata |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Brugmansia candida 'Variegata ' |
conservatory |
Yes |
OK |
OK |
Yellow |
| Brugmansia suaveolens yellow flowered |
conservatory |
Yes |
OK |
OK |
Yellow |
| Buddleja asiatica |
conservatory |
Yes |
OK |
OK |
Yellow |
| Buddleja glomerata |
conservatory |
Yes |
OK |
OK |
Yellow |
| Buddleja weyeriana 'Honeycomb' |
shrubs & climbers |
Yes |
OK |
OK |
Yellow |
| Bulbine latifolia |
conservatory |
OK |
OK |
OK |
Yellow |
| Caltha palustris 'Flore Pleno' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Cestrum nocturnum |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Cestrum nocturnum x diurnum |
conservatory |
Yes |
OK |
OK |
Yellow |
| Cestrum parqui |
shrubs & climbers |
OK |
OK |
OK |
Yellow |
| Chiastophyllum oppositifolium 'Jim's Pride' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Chlidanthus fragrans |
conservatory |
Yes |
OK |
OK |
Yellow |
| Chrysogonum virginianum |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Cineraria saxifraga |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Coreopsis 'Sunray' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Coreopsis grandiflora 'Mayfield Giant' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Coreopsis lanceolata 'Sterntaler' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Coreopsis verticillata 'Moonbeam' |
hardy perennials |
Yes |
OK |
OK |
Pale yellow |
| Coreopsis verticillata 'Zagreb' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Crassula pseudolycopodiodes |
succulents |
Yes |
OK |
OK |
Yellow |
| Crocosmia crocosmiiflora 'Coleton Fishacre' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Crocosmia crocosmiiflora 'George Davidson' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Delosperma congestum |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Dietes bicolor |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Digitalis lutea |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Echinacea paradoxa |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Eremurus stenophyllus ssp. stenophyllus |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Eriophyllum lanatum |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Erysimum cheiri 'Harpur Crewe' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Erythronium 'Pagoda' |
hardy perennials |
OK |
Yes |
OK |
Yellow |
| Euphorbia amygdaloides 'Purpurea' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Euphorbia characias 'Silver Swan' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Euryops pectinatus |
conservatory |
Yes |
OK |
OK |
Yellow |
| Foeniculum vulgare 'Purpureum' |
hardy perennials |
Yes |
OK |
OK |
Pale yellow |
| Gelsemium sempervirens |
conservatory |
OK |
OK |
OK |
Yellow |
| Geum 'Lady Stratheden' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Geum 'Princes Juliana' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Hacquetia epipactis |
hardy perennials |
OK |
Yes |
OK |
Yellow |
| Hatiora salicorniodes |
succulents |
Yes |
OK |
OK |
Yellow |
| Hedychium gardnerianum |
conservatory |
Yes |
OK |
OK |
Yellow |
| Helenium 'Biedermeier' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Helenium 'Sahin's Early Flowerer' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Helenium 'Waldtraut' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Helenium 'Wyndley' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Helianthus 'Lemon Queen' |
hardy perennials |
Yes |
Yes |
Yes |
Yellow |
| Helianthus 'Loddon Gold' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Hereroa odorata |
succulents |
Yes |
OK |
OK |
Yellow |
| Hymenosporum flavum |
conservatory |
Yes |
OK |
OK |
Yellow |
| Hypericum androsaemum 'Albury Purple' |
shrubs & climbers |
Yes |
Yes |
OK |
Yellow |
| Impatiens auricoma 'Jungle Gold' |
conservatory |
OK |
OK |
OK |
Yellow |
| Inula hookeri |
hardy perennials |
OK |
Yes |
OK |
Yellow |
| Inula magnifica |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Inula racemosa |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Iris 'Berkeley Gold' |
hardy perennials |
OK |
OK |
OK |
Yellow |
| Iris sibirica 'Dreaming Yellow' |
hardy perennials |
Yes |
Yes |
OK |
Pale yellow |
| Iris wilsonii |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Jasminum odoratissimum |
conservatory |
Yes |
OK |
OK |
Yellow |
| Justicia aurea |
conservatory |
OK |
Yes |
OK |
Yellow |
| Justicia rizzinii |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Kalanchoe pubescens |
succulents |
Yes |
OK |
OK |
Yellow |
| Kalanchoe thyrsiflora |
succulents |
Yes |
OK |
OK |
Pale yellow |
| Kniphofia 'Brimstone' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Lantana camara - variegated |
conservatory |
Yes |
OK |
OK |
Yellow |
| Lantana camara - yellow flowered |
conservatory |
Yes |
OK |
OK |
Yellow |
| Ligularia 'The Rocket' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Ligularia przewalskii |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Ligularia sibirica |
hardy perennials |
OK |
Yes |
Yes |
Yellow |
| Lonicera japonica 'Halliana' |
shrubs & climbers |
Yes |
Yes |
OK |
Yellow |
| Lonicera periclymenum 'Graham Thomas' |
shrubs & climbers |
Yes |
Yes |
OK |
Pale yellow |
| Lysimachia ciliata 'Firecracker' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Lysimachia punctata 'Alexander' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Macfadyena unguis-cati |
conservatory |
Yes |
OK |
OK |
Yellow |
| Milium effusum 'Yaffle' |
grasses |
OK |
Yes |
Yes |
Yellow |
| Nepeta govaniana |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Nerium oleander 'Flavescens Plenum' |
conservatory |
Yes |
OK |
OK |
Yellow |
| Oenothera fruticosa 'Fyrverkeri' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Oenothera fruticosa sp. glauca 'Frühlingsgold' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Pachystachys lutea |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Pandorea pandorana 'Golden Rain' |
conservatory |
OK |
OK |
OK |
Yellow |
| Paraserianthes lophantha |
conservatory |
Yes |
OK |
OK |
Yellow |
| Passiflora citrina |
conservatory |
OK |
Yes |
OK |
Yellow |
| Potentilla fruticosa 'Katherine Dykes' |
shrubs & climbers |
Yes |
Yes |
OK |
Yellow |
| Reinwardtia indica |
conservatory |
Yes |
OK |
OK |
Yellow |
| Rosa 'Maréchal Niel' |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Rudbeckia fulgida var. sullivantii 'Goldsturm' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Rudbeckia laciniata 'Goldquelle' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Rudbeckia nitida |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Russelia equisetiformis 'Lemon Falls' |
conservatory |
Yes |
OK |
OK |
Yellow |
| Santolina chamaecyparissus |
shrubs & climbers |
Yes |
OK |
OK |
Yellow |
| Scabiosa columbaria ssp. ochroleuca |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Scabiosa columbaria ssp. ochroleuca 'Moondance' |
hardy perennials |
Yes |
OK |
OK |
Pale yellow |
| Schefflera elegantissima |
conservatory |
OK |
Yes |
OK |
Yellow |
| Sedum 'Green Expectations' |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Senecio articulatus |
succulents |
Yes |
OK |
OK |
Yellow |
| Senecio doria |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Senecio kleiniiformis |
succulents |
Yes |
OK |
OK |
Yellow |
| Senecio scandens |
shrubs & climbers |
Yes |
Yes |
OK |
Yellow |
| Senecio serpens |
succulents |
Yes |
Yes |
OK |
Yellow |
| Senecio viravira |
conservatory |
Yes |
OK |
OK |
Yellow |
| Senna alexandrina |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Solandra maxima |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Solidago uliginosa |
hardy perennials |
Yes |
OK |
OK |
Yellow |
| Stokesia laevis 'Mary Gregory' |
hardy perennials |
Yes |
OK |
OK |
Pale yellow |
| Strophanthus speciosus |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Tecoma capensis 'Lutea' |
conservatory |
Yes |
OK |
OK |
Yellow |
| Tetrastigma voinierianum |
conservatory |
Yes |
Yes |
OK |
Yellow |
| Thalictrum lucidum |
hardy perennials |
OK |
Yes |
OK |
Yellow |
| Trollius chinensis 'Golden Queen' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Viola odorata 'Sulphurea' |
hardy perennials |
Yes |
Yes |
OK |
Yellow |
| Waldsteinea ternata |
hardy perennials |
Yes |
Yes |
Yes |
Yellow |