• 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

Wykeham Gardens

  • Achillea filipendulina 'Cloth of Gold'
  • Achillea millefolium 'Cassis'
  • Achillea millefolium 'Cerise Queen'
  • Achillea ptarmica (The Pearl Group) 'The Pearl' (clonal) (d)
  • Agapanthus 'Gayle's Lilac'
  • Agapanthus 'Lilliput'
  • Agastache aurantiaca 'Navajo Sunset'
  • Ajuga reptans 'Catlin's Giant'
  • Ammi majus 'Graceland'
  • Antirrhinum majus Sonnet Series
  • Antirrhinum Candelabra Red
  • Aquilegia Swan Series
  • Arabis ferdinandi-coburgi 'Old Gold' (v)
  • Astilbe chinensis 'Vision in Red' (PBR)
  • Astilbe 'Deutschland' (japonica hybrid)
  • Astilbe 'Heart and Soul' (PBR)
  • Astrantia major Gill Richardson Group
  • Bergenia 'Diamond Drops'
  • Betonica macrantha
  • Bidens ferulifolia Blazing Fire
  • Bidens ferulifolia 'Golden Eye'
  • Bidens 'Moonlight'
  • Bletilla striata 'Soryu'
  • Brunnera macrophylla 'Jack Frost' (PBR)
  • Calibrachoa Can-can Sunlight (Can-can Series)
  • Calibrachoa Superbells Banana Chocolate (Superbells Series)
  • Campanula persicifolia 'Telham Beauty' ambig.
  • Campanula punctata 'Pink Chimes'
  • Campanula punctata 'Silver Bells'
  • Campanula punctata 'Wedding Bells'
  • Campanula takesimana 'Elizabeth'
  • Carex oshimensis 'Evergold' (v)
  • Centaurea cyanus
  • Centaurea cyanus 'Black Ball'
  • Centaurea cyanus 'Red Ball'
  • Centaurea montana 'Purple Heart'
  • Cerastium tomentosum
  • Chaenostoma cordatum Abunda Colossal Pink (Abunda Series)
  • Cirsium rivulare 'Atropurpureum'
  • Cirsium rivulare 'Trevor's Felley Find' (PBR)
  • Cirsium 'Mount Etna'
  • Commelina dianthifolia
  • Commelina tuberosa
  • Coreopsis 'Ruby Frost' (Hardy Jewel Series)
  • Corydalis flexuosa 'Purple Leaf'
  • Cosmos atrosanguineus Chocamocha = 'Thomocha' (PBR)
  • Cosmos bipinnatus Razzmatazz Series
  • Crocosmia × crocosmiiflora (Lemoine) N.E. Br. 'George Davison' Davison
  • Crocosmia × crocosmiiflora 'Harlequin'
  • Crocosmia × crocosmiiflora 'Honey Angels'
  • Delphinium elatum 'Aurora Blue' (Aurora Series)
  • Delphinium Magic Fountains Series
  • Dianthus barbatus 'Sweet Black Cherry' (Sweet Series) (p,a)
  • Dianthus 'Kahori' (p)
  • Dianthus 'Whatfield Gem' (p)
  • Dierama pulcherrimum 'Blackbird'
  • Dierama 'Blackberry Bells'
  • Dierama 'Miranda'
  • Digitalis purpurea 'Dalmatian White' (Dalmatian Series)
  • Digitalis × valinii Foxlight Ruby Glow = 'Takforugl' (PBR) (Foxlight Series)
  • Echinacea Cheyenne Spirit (mixed)
  • Echinacea Double Scoop Cranberry = 'Balscanery' (PBR) (Double Scoop Series) (d)
  • Echinacea SunSeekers Salmon = 'Ifecsssal' (SunSeekers Series)
  • Echinops bannaticus 'Taplow Blue'
  • Erigeron karvinskianus 'Stallone'
  • Erysimum 'Pastel Patchwork'
  • Geranium himalayense 'Plenum' (d)
  • Geranium sanguineum 'Album'
  • Geranium 'Dusky Crûg'
  • Geranium 'Elke'
  • Geranium 'Natalie'
  • Gerbera Revolution Bicolor Mix (Revolution Series)
  • Geum rivale
  • Geum 'Bell Bank'
  • Geum 'Flames of Passion' (PBR)
  • Geum 'Georgenberg'
  • Geum 'Totally Tangerine' (PBR)
  • Glandularia 'Showboat Midnight' (Showboat Series)
  • Gypsophila repens
  • Gypsophila repens 'Rosea'
  • Hesperantha coccinea 'Cindy Towe'
  • Hesperantha coccinea 'Fenland Daybreak'
  • Hesperantha coccinea 'Oregon Sunset'
  • Hesperantha coccinea 'Wilfred H. Bryant'
  • Hosta 'Paxton's Original' (sieboldii) (v)
  • Imperata cylindrica 'Rubra'
  • Iris pseudacorus
  • Iris × robusta 'Gerald Darby'
  • Iris 'Holden Clough' (SpH)
  • Iris 'Sibirica Alba' (Sib)
  • Isotoma axillaris 'Fairy Carpet'
  • Jasione laevis 'Blaulicht'
  • Kniphofia 'Bees' Lemon'
  • Kniphofia 'Fiery Fred'
  • Kniphofia 'Royal Castle'
  • Kniphofia 'Toffee Nosed'
  • Lagurus ovatus
  • Lamium galeobdolon 'Hermann's Pride'
  • Lamium maculatum Pink Chablis = 'Checkin' (PBR)
  • Lamium maculatum 'Ghost'
  • Lavandula angustifolia Blue Spear = 'Pas1213799'
  • Leptinella squalida 'Platt's Black'
  • Leucanthemum × superbum 'Crazy Daisy'
  • Leucanthemum × superbum 'Phyllis Smith'
  • Libertia ixioides 'Goldfinger' (v)
  • Linaria aeruginea 'Neon Lights'
  • Lobelia erinus Hot Tiger = 'Wesloti' (PBR)
  • Lobelia erinus Wonderfall (mixed)
  • Lupinus Gallery Series
  • Mazus reptans
  • Miscanthus sinensis 'Navajo' (PBR)
  • Monarda 'Fireball' (PBR)
  • Monarda 'Fishes'
  • Monarda 'Pink Supreme' (PBR)
  • Monarda 'Violet Queen'
  • Nemesia Aroma Heart of Gold (Aroma Series)
  • Nemophila menziesii 'Penny Black'
  • Oenothera speciosa 'Siskiyou'
  • Ophiopogon planiscapus 'Kokuryu'
  • Osteospermum Purple Sun = 'Kleoe19396'
  • Oxalis 'Black Velvet' (Xalis Series)
  • Papaver nudicaule Champagne Bubbles Group
  • Parahebe catarractae 'Avalanche' (PBR)
  • Persicaria amplexicaulis 'Golden Arrow' (v)
  • Persicaria microcephala 'Red Dragon' (PBR)
  • Persicaria runcinata 'Purple Fantasy'
  • Phlox divaricata subsp. laphamii 'Chattahoochee'
  • Phlox paniculata 'Brigadier'
  • Phlox paniculata 'Purple Kiss' (PBR)
  • Phlox paniculata 'Swizzle'
  • Phlox subulata 'Bavaria'
  • Phlox subulata 'Emerald Cushion Blue'
  • Physalis alkekengi
  • Physostegia virginiana 'Rosea'
  • Polemonium yezoense var. hidakanum 'Purple Rain'
  • Primula auricula misapplied (Au)
  • Primula capitata subsp. capitata (Ca)
  • Primula japonica 'Apple Blossom' (Pf)
  • Primula Inshriach hybrids (Pf)
  • Primula 'Lilac Lace' (Pr/Poly)
  • Pulmonaria 'Cotton Cool'
  • Pulmonaria 'Raspberry Splash' (PBR)
  • Pulsatilla rubra
  • Rhodohypoxis baurii
  • Sagina subulata 'Lime Moss'
  • Salvia greggii 'Icing Sugar' (PBR)
  • Salvia guaranitica 'Super Trouper'
  • Salvia nemorosa 'Caradonna'
  • Salvia verticillata 'Purple Fairy Tale'
  • Salvia Amethyst Lips = 'Dyspurp'
  • Salvia Cherry Lips = 'Dysceri'
  • Salvia Love and Wishes = 'Serendip6' (PBR)
  • Salvia 'African Sky'
  • Salvia 'Amistad' (PBR)
  • Salvia 'Hot Lips'
  • Salvia 'Little Spire' (PBR) (Pe)
  • Salvia 'Nachtvlinder'
  • Salvia 'Neon'
  • Salvia 'Peach Parfait'
  • Salvia 'Penny's Smile'
  • Salvia 'Phyllis' Fancy'
  • Salvia 'Royal Bumble'
  • Saxifraga (Mossy Group) 'Highlander White' (15)
  • Saxifraga 'Rocco Red' (× arendsii) (15)
  • Scabiosa caucasica 'Perfecta Alba' (Perfecta Series)
  • Scabiosa columbaria Flutter Rose Pink = 'Balfluttropi' (PBR) (Flutter Series)
  • Scabiosa columbaria 'Mariposa Blue' (PBR)
  • Scabiosa columbaria subsp. ochroleuca
  • Sedum acre 'Aureum'
  • Sedum rupestre 'Angelina'
  • Sedum spathulifolium 'Cape Blanco'
  • Sidalcea 'Loveliness'
  • Sisyrinchium californicum 'Yellowstone'
  • Sisyrinchium 'Biscutella'
  • Sisyrinchium 'Sapphire'
  • Stachys byzantina 'Silver Carpet'
  • Thalictrum delavayi
  • Thalictrum delavayi 'Album'
  • Thalictrum 'Black Stockings'
  • Tiarella 'Pink Skyrocket' (PBR)
  • Tradescantia (Andersoniana Group) 'Concord Grape'
  • Tradescantia (Andersoniana Group) 'Merlot Clusters'
  • Tradescantia (Andersoniana Group) 'Osprey'
  • Tradescantia (Andersoniana Group) 'Pink Chablis'
  • Tricyrtis formosana
  • Tricyrtis hirta 'Albomarginata' (v)
  • Trifolium repens 'Dragon's Blood'
  • Trifolium repens 'Purpurascens Quadrifolium'
  • Trifolium 'Beauty' (Angel Clover Series)
  • Trifolium 'Onyx' (Angel Clover Series)
  • Verbascum blattaria 'White Blush'
  • Verbascum (Cotswold Group) 'Cotswold Beauty'
  • Verbena bonariensis
  • Verbena rigida 'Santos'
  • Veronica gentianoides 'Tissington White'
  • Veronica repens
  • Veronica spicata 'Rotfuchs'
  • Veronica Sky Blue Moody Blues = 'Novaversky' (Moody Blues Series)
  • Veronicastrum virginicum 'Album'
  • Veronicastrum 'Adoration'
  • Viola riviniana Purpurea Group

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