• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

The National Herb Centre

  • Acanthus mollis
  • Achillea millefolium
  • Aconitum napellus
  • Acorus calamus
  • Actaea racemosa
  • Actaea simplex (Atropurpurea Group) 'Black Negligee'
  • Actaea simplex Atropurpurea Group
  • Actaea simplex 'Pink Spike'
  • Agapanthus praecox
  • Agapanthus 'Albus' ambig.
  • Agapanthus 'Black Pantha' (PBR)
  • Agapanthus 'White Superior'
  • Agastache foeniculum (Pursh) Kuntze
  • Agastache mexicana
  • Agastache rugosa
  • Agastache 'Blackadder'
  • Ageratina ligustrina
  • Agrostemma githago
  • Ajuga reptans
  • Alchemilla mollis
  • Allium cepa Proliferum Group
  • Allium fistulosum
  • Allium schoenoprasum
  • Allium tuberosum
  • Allium ursinum
  • Aloe vera
  • Aloysia citrodora
  • Althaea officinalis
  • Ammi majus
  • Anchusa azurea 'Loddon Royalist'
  • Anchusa officinalis
  • Anemone × hybrida 'Andrea Atkinson'
  • Anemone × hybrida 'Robustissima'
  • Anemone × hybrida 'Whirlwind'
  • Anemone Ruffled Swan = 'Macane007' (PBR)
  • Anethum graveolens
  • Angelica archangelica
  • Angelica gigas
  • Anthemis arvensis
  • Anthemis tinctoria
  • Anthriscus cerefolium
  • Apium graveolens
  • Aquilegia alpina
  • Aquilegia vulgaris
  • Aquilegia vulgaris var. stellata 'Nora Barlow' (Barlow Series) (d)
  • Araucaria araucana
  • Armoracia rusticana
  • Arnica chamissonis Less.
  • Arnica montana
  • Artemisia abrotanum
  • Artemisia absinthium
  • Artemisia dracunculus
  • Artemisia vulgaris
  • Asclepias tuberosa
  • Asparagus officinalis 'Connover's Colossal'
  • Aster × frikartii 'Jungfrau'
  • Astilbe 'Sprite' (simplicifolia hybrid)
  • Atriplex hortensis var. rubra
  • Baptisia 'Dutch Chocolate' (Decadence Series)
  • Betonica officinalis
  • Betula pendula
  • Bletilla striata
  • Borago officinalis
  • Brassica juncea var. crispifolia
  • Buddleja davidii 'Black Knight'
  • Buddleja davidii 'Dartmoor'
  • Buddleja davidii 'Royal Red'
  • Buddleja × weyeriana 'Sungold'
  • Buddleja 'Pink Delight'
  • Buxus sempervirens
  • Calamintha grandiflora
  • Calamintha nepeta
  • Calendula officinalis
  • Calluna vulgaris 'Stefanie'
  • Caltha palustris
  • Campanula garganica 'Filigree'
  • Campanula glomerata 'Superba'
  • Campanula rapunculus
  • Campanula rotundifolia
  • Campanula trachelium
  • Cardamine pratensis
  • Carthamus tinctorius
  • Carum carvi
  • Caryopteris × clandonensis 'Heavenly Blue'
  • Catananche caerulea
  • Cedronella canariensis
  • Centaurea cyanus
  • Centaurea cyanus 'Black Ball'
  • Centaurea cyanus 'Pinkie' (d)
  • Centaurea montana
  • Centaurea montana 'Amethyst in Snow'
  • Centaurea nigra
  • Centaurea scabiosa
  • Centranthus ruber
  • Centranthus ruber 'Snowcloud'
  • Ceratostigma plumbaginoides
  • Ceratostigma willmottianum
  • Cerinthe major 'Purpurascens'
  • Chamaemelum nobile
  • Chamaemelum nobile 'Flore Pleno' (d)
  • Chamaemelum nobile 'Treneague'
  • Chenopodium bonus-henricus
  • Chenopodium giganteum
  • Chimonanthus praecox
  • Cichorium intybus
  • Cirsium rivulare 'Atropurpureum'
  • Cistus ladanifer var. sulcatus
  • Cistus × argenteus 'Silver Pink' ambig.
  • Cistus × laxus 'Snow White'
  • Cistus × pulverulentus 'Sunset'
  • Cistus × purpureus
  • Claytonia perfoliata
  • Clethra alnifolia 'Ruby Spice'
  • Clinopodium vulgare
  • Convallaria majalis
  • Convolvulus sabatius
  • Coreopsis tinctoria
  • Coreopsis tinctoria 'Mahogany Midget'
  • Coriandrum sativum
  • Coronilla valentina subsp. glauca 'Variegata' (v)
  • Crithmum maritimum
  • Cryptotaenia japonica
  • Cymbopogon citratus
  • Cynara cardunculus
  • Cynara cardunculus Scolymus Group
  • Dianthus deltoides
  • Dianthus 'Dainty Dame' (p)
  • Dianthus 'Pink Jewel' (p)
  • Dianthus 'Warden Hybrid' (p)
  • Dianthus 'Whatfield Cancan' (p)
  • Dianthus 'Whatfield Gem' (p)
  • Dicentra formosa
  • Digitalis davisiana
  • Digitalis lanata
  • Digitalis purpurea
  • Digitalis purpurea 'Apricot Delight'
  • Digitalis purpurea Foxy Group
  • Digitalis × valinii 'Harkstead Apricot' (Illumination Series)
  • Diplotaxis tenuifolia
  • Dipsacus fullonum
  • Echinacea purpurea
  • Echinacea purpurea Prairie Splendor Compact Rose (Prairie Splendor Compact Series)
  • Echium vulgare
  • Equisetum camtschatcense
  • Erica × darleyensis 'Darley Dale'
  • Erica × darleyensis f. albiflora 'White Perfection'
  • Erigeron karvinskianus
  • Erodium pelargoniiflorum
  • Eruca vesicaria subsp. sativa
  • Eryngium 'Pen Blue'
  • Erysimum 'Bowles's Mauve'
  • Eucalyptus coccifera
  • Eucalyptus gunnii
  • Euonymus europaeus 'Red Cascade'
  • Eupatorium dubium 'Little Joe'
  • Euphorbia myrsinites
  • Ficus carica 'Brown Turkey' (F)
  • Filipendula ulmaria
  • Filipendula vulgaris
  • Foeniculum vulgare
  • Foeniculum vulgare 'Purpureum'
  • Forsythia × intermedia 'Lynwood Variety'
  • Fragaria vesca (F)
  • Fuchsia magellanica var. molinae 'Alba'
  • Fuchsia 'Mrs Popple'
  • Gaillardia × grandiflora 'Arizona Sun'
  • Galanthus nivalis
  • Galega officinalis
  • Galium odoratum
  • Galium verum
  • Gardenia jasminoides 'Kleim's Hardy'
  • Geranium phaeum 'Album'
  • Geranium pratense
  • Geranium sanguineum
  • Geranium × cantabrigiense 'Biokovo'
  • Geum rivale
  • Geum 'Fireball'
  • Geum 'Lady Stratheden' (d)
  • Gillenia trifoliata 'Pink Profusion'
  • Ginkgo biloba
  • Glandora prostrata 'Heavenly Blue'
  • Glebionis coronaria
  • Helenium autumnale
  • Helianthemum nummularium
  • Helichrysum italicum
  • Helichrysum microphyllum (Willd.) Cambess.
  • Helleborus foetidus Wester Flisk Group
  • Helleborus × hybridus 'Clare's Purple'
  • Hesperis matronalis
  • Hesperis matronalis var. albiflora
  • Hosta 'Big Daddy' (sieboldiana hybrid) (v)
  • Hosta 'Francee' (fortunei) (v)
  • Hosta 'Paul's Glory' (v)
  • Hosta 'Royal Standard'
  • Hosta 'Wide Brim' (v)
  • Humulus lupulus 'Aureus' (f)
  • Humulus lupulus 'Golden Tassels' (f)
  • Hydrangea anomala subsp. petiolaris
  • Hydrangea macrophylla 'Blaumeise' (Teller Series) (L)
  • Hydrangea macrophylla 'Mariesii Perfecta' (L)
  • Hylotelephium telephium Emperor's Waves Group
  • Hylotelephium 'Munstead Red'
  • Hypericum perforatum
  • Hyssopus officinalis
  • Hyssopus officinalis f. albus
  • Hyssopus officinalis 'Roseus'
  • Hyssopus officinalis subsp. aristatus
  • Inula helenium
  • Iris ensata 'Crystal Halo'
  • Iris pseudacorus
  • Iris versicolor
  • Iris × robusta 'Gerald Darby'
  • Iris 'Beverly Sills' (TB)
  • Iris 'Blue King' (Sib)
  • Iris 'Butter and Sugar' (Sib)
  • Iris 'Cranberry Ice' (TB)
  • Iris 'Florentina' (IB/TB)
  • Iris 'Silver Edge' (Sib)
  • Isatis tinctoria
  • Jasione montana
  • Jasminum beesianum
  • Jasminum nudiflorum
  • Jasminum officinale
  • Jasminum officinale 'Aureum' (v)
  • Jasminum officinale 'Devon Cream' (PBR)
  • Jasminum officinale 'Inverleith'
  • Justicia floribunda
  • Kirengeshoma palmata
  • Knautia arvensis
  • Knautia macedonica
  • Lathyrus odoratus 'Matucana'
  • Laurus nobilis
  • Lavandula angustifolia Little Lady = 'Batlad'
  • Lavandula angustifolia Melissa Lilac = 'Dow4' (PBR)
  • Lavandula angustifolia 'Ellagance Purple' (Ellagance Series)
  • Lavandula angustifolia 'Forever Blue'
  • Lavandula angustifolia 'Hidcote'
  • Lavandula angustifolia 'Imperial Gem'
  • Lavandula angustifolia 'Munstead'
  • Lavandula angustifolia 'Peter Pan'
  • Lavandula angustifolia 'Rosea'
  • Lavandula angustifolia 'Twickel Purple'
  • Lavandula pedunculata subsp. pedunculata
  • Lavandula × chaytoriae Silver Sands = 'Fair 14' (PBR)
  • Lavandula × chaytoriae 'Richard Gray'
  • Lavandula × intermedia Phenomenal = 'Niko' (PBR)
  • Lavandula × intermedia Dutch Group
  • Lavandula × intermedia 'Edelweiss'
  • Lavandula × intermedia 'Grosso'
  • Lavandula × intermedia 'Provence'
  • Lavandula 'Blue Star'
  • Lavandula 'Regal Splendour' (PBR)
  • Lavatera × clementii 'Burgundy Wine'
  • Lavatera × clementii 'Kew Rose'
  • Leonurus cardiaca
  • Leptospermum scoparium
  • Leucanthemum vulgare
  • Leucanthemum × superbum 'Wirral Supreme' (d)
  • Levisticum officinale
  • Ligustrum delavayanum
  • Limnanthes douglasii
  • Linaria purpurea
  • Linaria purpurea 'Canon Went'
  • Linaria vulgaris
  • Linum perenne
  • Lippia dulcis
  • Lobelia cardinalis 'Queen Victoria'
  • Lonicera japonica 'Hall's Prolific'
  • Lonicera japonica var. repens
  • Lonicera ligustrina var. yunnanensis 'Maigrün'
  • Lonicera periclymenum 'Graham Thomas'
  • Lotus corniculatus
  • Lupinus arboreus
  • Lupinus arboreus white-flowered
  • Lupinus 'The Governor' (Band of Nobles Series)
  • Lupinus 'The Page' (Band of Nobles Series)
  • Lychnis chalcedonica
  • Lychnis flos-cuculi
  • Lythrum salicaria
  • Malus domestica 'Bramley's Seedling' clone 20 (C)
  • Malus domestica 'Cox's Selfing' (D)
  • Malva moschata
  • Malva moschata f. alba
  • Marrubium vulgare
  • Matricaria recutita
  • Melianthus major
  • Melissa officinalis
  • Melissa officinalis 'Aurea' (v)
  • Melissa officinalis subsp. altissima
  • Mentha arvensis 'Banana'
  • Mentha longifolia silver-leaved
  • Mentha pulegium
  • Mentha requienii
  • Mentha spicata
  • Mentha spicata 'Tashkent'
  • Mentha spicata var. crispa 'Moroccan'
  • Mentha suaveolens
  • Mentha suaveolens 'Variegata' (v)
  • Mentha × gracilis 'Variegata' (v)
  • Mentha × piperita
  • Mentha × piperita black peppermint
  • Mentha × piperita f. citrata 'Basil'
  • Mentha × piperita f. citrata 'Chocolate'
  • Mentha × piperita f. citrata 'Grapefruit'
  • Mentha × piperita f. citrata 'Lime'
  • Mentha × piperita f. citrata 'Orange'
  • Mentha × smithiana
  • Mentha × villosa var. alopecuroides Bowles's mint
  • Mentha 'Berries and Cream'
  • Mentha lavender mint
  • Mentha 'Strawberry Mint'
  • Monarda didyma
  • Monarda fistulosa
  • Monarda punctata
  • Monarda 'Blaustrumpf'
  • Monarda 'Gardenview Scarlet'
  • Monarda 'Jacob Cline'
  • Monarda 'Knight Rose'
  • Monarda 'Marshall's Delight'
  • Myrrhis odorata
  • Myrtus communis
  • Myrtus communis subsp. tarentina
  • Myrtus communis subsp. tarentina 'Microphylla Variegata' (v)
  • Nepeta cataria
  • Nepeta racemosa
  • Nepeta 'Six Hills Giant'
  • Nigella damascena 'Miss Jekyll'
  • Ocimum basilicum 'Cinnamon'
  • Ocimum basilicum 'Genovese'
  • Ocimum basilicum 'Horapha'
  • Ocimum minimum
  • Ocimum tenuiflorum
  • Ocimum × africanum
  • Ocimum × africanum 'Lime'
  • Oenothera biennis
  • Oenothera lindheimeri 'Gambit White' (G)
  • Origanum majorana
  • Origanum onites
  • Origanum vulgare
  • Origanum vulgare 'Acorn Bank'
  • Origanum vulgare 'Aureum'
  • Origanum vulgare 'Compactum'
  • Origanum vulgare 'Country Cream' (v)
  • Origanum vulgare 'Gold Tip' (v)
  • Origanum vulgare subsp. hirtum 'Greek'
  • Papaver rhoeas
  • Papaver (Oriental Group) 'Beauty of Livermere'
  • Papaver (Oriental Group) 'Waltzing Elisabeth' (PBR)
  • Passiflora caerulea 'Clear Sky' (PBR)
  • Pelargonium ionidiflorum
  • Pelargonium 'Atomic Snowflake' (Sc/v)
  • Pelargonium 'Attar of Roses' (Sc)
  • Pelargonium 'Bird Dancer' (Dw/St)
  • Pelargonium 'Charity' (Sc)
  • Pelargonium 'Clorinda' (U/Sc)
  • Pelargonium 'Crocodile' (I/C/d)
  • Pelargonium 'Mabel Grey' (Sc)
  • Pelargonium 'Royal Oak' (Sc)
  • Pelargonium 'Scarlet Unique' (U)
  • Penstemon heterophyllus 'Heavenly Blue'
  • Penstemon whippleanus
  • Penstemon 'Dark Towers' (PBR)
  • Penstemon 'Sour Grapes' M. Fish
  • Persicaria odorata
  • Petroselinum crispum
  • Petroselinum crispum French
  • Philadelphus maculatus 'Mexican Jewel'
  • Philadelphus 'Virginal' (d)
  • Phlomis fruticosa
  • Phygelius × rectus 'African Queen'
  • Phyllostachys nigra
  • Pilosella aurantiaca
  • Pinus mugo
  • Plectranthus amboinicus
  • Plectranthus madagascariensis 'Variegated Mintleaf' (v)
  • Polemonium caeruleum
  • Polemonium yezoense var. hidakanum 'Purple Rain'
  • Polygonatum biflorum
  • Portulaca oleracea var. aurea
  • Potentilla erecta
  • Potentilla nepalensis 'Miss Willmott'
  • Potentilla thurberi 'Monarch's Velvet'
  • Primula elatior (Pr)
  • Primula veris (Pr)
  • Primula vulgaris (Pr/Prim)
  • Primula Gold-laced Group (Pr/Poly)
  • Prunella vulgaris
  • Pulsatilla vulgaris
  • Pyracantha coccinea 'Red Column'
  • Rehmannia elata
  • Reseda luteola
  • Rheum × hybridum 'Victoria'
  • Ribes nigrum 'Ben Connan' (B)
  • Ribes nigrum 'Ben Lomond' (PBR) (B)
  • Ribes speciosum
  • Ribes uva-crispa 'Captivator' (C)
  • Ribes uva-crispa 'Hinnonmäki Röd' (C/D)
  • Rosa gallica var. officinalis (G)
  • Rubia tinctorum
  • Rubus fruticosus agg. 'Apache' (B)
  • Rubus fruticosus agg. 'Navaho' (B)
  • Rubus idaeus Ruby Beauty = 'Nr7' (PBR) (F)
  • Rubus idaeus 'Autumn Bliss' (F)
  • Rubus idaeus 'Tulameen' (F)
  • Rubus (Tayberry Group) 'Medana Tayberry' (F)
  • Rudbeckia hirta 'Cherry Brandy'
  • Rudbeckia hirta 'Indian Summer'
  • Rumex acetosa
  • Rumex sanguineus var. sanguineus
  • Rumex scutatus
  • Ruta graveolens
  • Ruta graveolens 'Jackman's Blue'
  • Ruta graveolens 'Variegata' (v)
  • Salvia elegans 'Scarlet Pineapple'
  • Salvia elegans 'Tangerine'
  • Salvia guaranitica 'Black and Blue'
  • Salvia lavandulifolia
  • Salvia microphylla 'Pink Blush'
  • Salvia microphylla var. microphylla
  • Salvia officinalis
  • Salvia officinalis 'Icterina' (v)
  • Salvia officinalis 'Purpurascens'
  • Salvia officinalis 'Tricolor' (v)
  • Salvia rosmarinus Albiflora Group (Ro)
  • Salvia rosmarinus 'Blue Lagoon' (Ro)
  • Salvia rosmarinus 'Farinole' (Ro)
  • Salvia rosmarinus 'Green Ginger' (Ro)
  • Salvia rosmarinus 'Majorca Pink' (Ro)
  • Salvia rosmarinus 'Marenca' (Ro)
  • Salvia rosmarinus 'Miss Jessopp's Upright' (Ro)
  • Salvia rosmarinus Prostrata Group (Ro)
  • Salvia rosmarinus 'Rosea' (Ro)
  • Salvia rosmarinus 'Severn Sea' (Ro)
  • Salvia rosmarinus 'Sissinghurst Blue' (Ro)
  • Salvia sclarea
  • Salvia uliginosa
  • Salvia viridis
  • Salvia yangii (Pe)
  • Salvia Cherry Lips = 'Dysceri'
  • Salvia 'Amistad' (PBR)
  • Salvia 'Blue Note' (PBR)
  • Salvia 'Clotted Cream'
  • Salvia 'Hot Lips'
  • Sambucus nigra f. porphyrophylla 'Eva' (PBR)
  • Sambucus racemosa 'Sutherland Gold'
  • Sanguisorba minor
  • Santolina chamaecyparissus
  • Santolina pinnata subsp. neapolitana 'Edward Bowles'
  • Santolina rosmarinifolia subsp. rosmarinifolia
  • Saponaria ocymoides
  • Saponaria officinalis
  • Satureja hortensis
  • Satureja montana
  • Sedum acre
  • Sedum rupestre L.
  • Sempervivum tectorum
  • Sidalcea 'Party Girl'
  • Silene armeria 'Electra'
  • Silene dioica
  • Silene latifolia
  • Silene vulgaris
  • Silybum marianum
  • Sisyrinchium striatum
  • Solidago virgaurea
  • Stachys byzantina
  • Stachys thunbergii
  • Stevia rebaudiana
  • Succisa pratensis
  • Symphyotrichum ericoides 'Blue Wonder'
  • Symphytum officinale
  • Tanacetum balsamita
  • Tanacetum cinerariifolium
  • Tanacetum parthenium
  • Tanacetum parthenium 'Aureum'
  • Teucrium chamaedrys L.
  • Teucrium × lucidrys
  • Thalictrum delavayi
  • Thalictrum 'Black Stockings'
  • Thymus cilicicus ambig.
  • Thymus herba-barona
  • Thymus polytrichus A. Kern. ex Borbás subsp. britannicus (Ronniger) Kerguélen
  • Thymus pulegioides 'Archer's Gold'
  • Thymus pulegioides 'Foxley' (v)
  • Thymus pulegioides 'Tabor'
  • Thymus serpyllum 'Annie Hall'
  • Thymus serpyllum 'East Lodge'
  • Thymus serpyllum 'Minor'
  • Thymus serpyllum 'Pink Chintz'
  • Thymus serpyllum 'Russetings'
  • Thymus serpyllum 'Snowdrift'
  • Thymus serpyllum var. albus
  • Thymus vulgaris
  • Thymus vulgaris 'Compactus'
  • Thymus 'Bressingham'
  • Thymus 'Carol Ann' (v)
  • Thymus Coccineus Group
  • Thymus 'Culinary Lemon'
  • Thymus 'Doone Valley' (v)
  • Thymus 'Fragrantissimus'
  • Thymus 'Jekka'
  • Thymus 'Lemon Curd'
  • Thymus 'Lemon Variegated' (v)
  • Thymus 'Pink Ripple'
  • Thymus 'Porlock'
  • Thymus 'Silver Posie'
  • Thymus 'Silver Queen' (v)
  • Trifolium rubens
  • Tropaeolum majus Alaska Series (v)
  • Tropaeolum majus 'Empress of India'
  • Vaccinium corymbosum (F)
  • Valeriana officinalis
  • Verbascum thapsus
  • Verbena bonariensis
  • Verbena hastata f. rosea 'Pink Spires'
  • Verbena officinalis
  • Verbena officinalis var. grandiflora 'Bampton'
  • Viburnum opulus
  • Viburnum opulus 'Compactum'
  • Viburnum × bodnantense 'Dawn'
  • Viola tricolor
  • Viola 'Bowles's Black' (T)
  • Viola 'Prince Henry' (T)
  • Visnaga daucoides
  • Vitex agnus-castus f. latifolia

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