Achillea 'Martina': A superb variety with long lasting lemon yellow flowerheads, fading slowly to cream. Ferny green foliage. To 75cm

Achillea 'Moonshine': Very popular variety with large bright yellow/gold flowerheads above silvery green ferny foliage. Height to 80cm

Achillea filipendulina 'Gold Plate': Statuesque achillea with huge, flat gold flower heads above upright ferny foliage. A statement plant for dry, sunny borders.

Adonis amurensis 'Fukujukai': Clump forming perennial with attractive ferny-like leaves and yellow daisy-like flowers in Spring. Prefers moist shade. Height to 30cm.

Alchemilla alpina (Lady's mantle): A miniature Alchemilla with dainty, 5 lobed leaves and a froth of tiny green flowers in spring

Alchemilla mollis (Lady's mantle): Bright green soft leaves and a froth of acid yellow/green flowers in summer. Very easy for ground cover

Anemone lipsiensis: Gorgeous lemon-yellow flowers over a carpet of filigree foliage in spring.

Anthemis 'Susanna Mitchell': Creamy yellow flowers over silvery-green foliage. Can be in flower from late spring onwards. [Collect Only]

Anthemis tinctoria 'Lemon Ice': Creamy daisy flowers with a deep yellow centre. Ferny greyish green foliage. Excellent in sunny, dryish spots. Up to 45cm

Anthemis tinctoria 'Sauce Hollandaise': Lemon daisy flowers with a deep yellow centre.

Aquilegia chrysantha 'Yellow Queen' (Granny's bonnet. Columbine): Bright yellow, fragrant flowers with long spurs on tall stems above ferny foliage. Prefers some shade. Hardy. Up to 90cm. AGM.

Aquilegia McKana Hybrids (Granny's bonnet. Columbine): Large trumpet flowers with long spurs in lemon yellow and other pastel colours in late spring. Attractive to bees/insects

Asphodeline lutea (Asphodel): Vertical spikes of sulphur yellow flowers in early to mid-summer. [Collect Only]

Centaurea macrocephala (Giant knapweed): Huge, bright yellow almost fluffy flowers in mid-summer.

Cephalaria gigantea (Giant scabious): Very tall wavy stems topped with large lemon yellow scabious-like flowerss [Collect Only]

Coreopsis verticillata (Tickseed): Golden yellow flowers held on fine stems above ferny foliage. More robust than it looks!

Coronilla valentina subsp. glauca 'Citrina': Small evergreen shrub with blue-grey, pinnate leaves and small, lemon-yellow flowers. Fragrant. Needs a sunny, sheltered position. Up to 1m.

Crocosmia 'Paul's Best Yellow': Arching sprays of golden yellow flowers in late summer. A vigorous grower. [Collect Only]

Crocosmia x crocosmiiflora 'Citronella': Bright sunny yellow funnel shaped flowers in late summer with sword shaped green foliage. A compact variety. Hardy. Up to 60cm.

Doronicum orientale (Leopard's bane): Bright yellow daisy flowers above fresh green foliage. A good early flower for the bees. Prefers partial shade. Hardy. Up to 60cm.

Epimedium 'Spine Tingler' (Barrenwort): Very distinctive variety with long, tooth-edged leaves, rather like a holly and lemon yellow flowers

Epimedium perralderianum: Tiny lemon yellow flowers held on fine wires above attractive, marbled foliage. Very good in shade, even dry shade

Epimedium pinnatum subsp colchicum (Barrenwort): Attractive, evergreen, spiny, green leaves with yellow flowers held above the foliage. Shady ground cover. Hardy. Up to 30cm. AGM.

Epimedium x perralchicum 'Frohnleiten' (Barrenwort): Heart-shaped leaves are bronze-tinted, wiry stems of yellow, star-like flowers in spring. Shady ground cover. Hardy. Up to 30cm.

Erythronium 'Pagoda' (Dog's tooth violet): A real spring beauty with large lemon yellow flowers with swept back petals. [Collect Only]

Geum 'Georgenberg' (Avens 'Georgenburg'): Gold flowers held atop reddish stems in early to mid-summer.

Geum 'Lisanne' (Avens 'Lisanne'): Pale yellow cupped flowers over softly hairy green foliage. Compact plant and long flowering season. Hardy. Up to 25cm.

Geum 'Stacey's Sunrise' (Avens 'Stacey's Sunrise'): Pale apricot flowers on compact stems above rosettes of rounded hairy leaves. Semi-evergreen. Long flowering. Hardy. Up to 30cm.

Helenium 'Kanaria' (Sneezeweed): Masses of clear lemon yellow flowers with swept back petals and central mustardy-gold dome. [Collect Only]

Helenium 'Wyndley' (Sneezeweed): Tall stems of yellow daisy-like flowers with brown central cone. Superb late summer perennial, attractive to bees. Hardy. Up to 90cm.

Helianthus 'Capenoch Star': A superb form of perennial sunflower with tall stems of cheery yellow flowers with pompom-like centres. Hardy. Up to 1.5m. AGM. [Collect Only]

Helianthus 'Lemon Queen' (Perennial sunflower): Strong and tall perennial sunflower with pale yellow flowers. Good for cut-flowers. Late summer colour. Hardy. Up to 2m.

Hemerocallis 'Corky' (Daylily): Slender yellow trumpets with mahogany stripe on back. Flowers held high on black stems above fine foliage. Superb

Hemerocallis 'Custard Candy' (Daylily 'Custard Candy'): Large, creamy flowers with maroon and lime green throat. [Collect Only]

Hemerocallis 'Happy Returns' (Daylily): Compact daylily with cheery lemon yellow flowers. Very free flowering, ideal for a sunny spot. [Collect Only]

Hemerocallis 'Stella de Oro' (Day Lily 'Stella de Oro'): Pale yellow fragrant flowers with a darker yellow throat. Grass-like green foliage. Hardy. Up to 50cm. [Collect Only]

Hemerocallis citrina (Long yellow day lily): Fragrant lemon, yellow lily flowers on long stems above green strappy foliage. Flowers open in evening. Hardy. Up to 1.2m. AGM.

Inula ensifolia: A low-growing perennial with lance-shaped leaves and bright yellow daisy-like flowers. Good for front of border. Hardy. Up to 40cm.

Inula hookeri: Bold heads of golden yellow flowers with hundreds of long petals. A good border filler.

Iris siberica 'Moon Silk' (Siberian Iris): Lovely pale-yellow flowers with whiter petal tips over strappy green foliage. Prefers moist soil. Makes a bold clump. Hardy. Up to 1m. [Collect Only]

Kirengeshoma palmata (Koreana Group) (Yellow wax bells): Yellow waxy flowers hang over palmate foliage. A shade lover. [Collect Only]

Kniphofia 'Bees Lemon' (Red hot poker): Short lemony green flower spikes over slender foliage [Collect Only]

Kniphofia 'Bees Sunset' (Red hot poker (formerly known as Shining Sceptre)): Sturdy golden spikes over strappy green foliage in late summer. [Collect Only]

Kniphofia 'Dingaan' (Red hot poker): Large, golden yellow torches from bronze buds. [Collect Only]

Kniphofia 'Dorset Sentry' (Red hot poker): Bold spikes of yellow flowers from green beds on sturdy bronze stems. [Collect Only]

Leucanthemum x superbum 'Sonnenschein' (Shasta daisy): Shasta daisy with pale yellow flowers with golden centre. Excellent for cutting. Long flowering season. Hardy. Up to 90cm

Leucanthemum x supermum 'Broadway Lights' (PBR) (Shasta daisy): Shasta daisy with yellow flowers fading to white, with golden centre. Good for sunny border. Long flowering season. Hardy. Up to 40cm.

Ligularia 'The Rocket': Dramatic spikes of yellow flowers on black stems over very large green toothed leaves [Collect Only]

Lupinus 'Chandelier' (Lupin 'Chandelier' (Band of Nobles Series)): Tightly packed spires of creamy yellow flowers in midsummer. Long flowering. Hardy. Up to 1m.

Oenothera macrocarpa (Missouri evening primrose): Huge trumpet shaped yellow flowers through mid-summer on a low, spreading plant.

Paeonia mlokosewitschii (Paeony 'Molly The Witch'): A truly lovely herbaceous peony with pale lemon yellow bowl-shaped flowers, with golden yellow stamens. Hardy. To 60cm.

Phlomis russeliana (Turkish sage): Whorls of lemon yellow flowers rise above mats of grey-green rough leaves. [Collect Only]

Primula sikkimensis (Himalayan cowslip): Tall stems with clusters of pendulous pale yellow funnel-shaped scented flowers, rising from a rosette of green leaves. Up to 40cm.

Primula vulgaris (Primrose): The much loved wild primrose which self-seeds merrily here at the nursery. [Collect Only]

Rudbeckia fulgida 'Goldsturm' (Black-eyed Susan (not the annual climber)): Large gold flowers with a chocolate eye produced in profusion from late summer well into autumn.

Rudbeckia fulgida var. deamii (Black-eyed Susan (not the annual climber)): Classic garden perennial flowering in mid-late summer with bright gold daisy flowers with black centres.

Rudbeckia maxima (Coneflower): Very tall, upright Rudbeckia with large, bright yellow cones with black eyes in late summer

Rudbeckia subtomentosa 'Little Henry' (PBR) (Sweet black-eyed susan): Yellow quilled flowers with chocolate brown centres in late summer. Compact variety with a delightful vanilla scent. Hardy. Up to 90cm.

Sedum spathulifolium 'Purpureum' (Purple stonecrop): Mat forming, fleshy purple rosettes with an attractive grey cast when young. Yellow flowers in summer.

Sisyrinchium striatum 'Aunt May': Open fans of strappy variegated iris-like leaves topped with lemon yellow flowers in summer. Up to 60cm.

Stokesia laevis 'Mary Gregory' (Stoke's aster): Large fluffy lemon yellow flowers in mid summer above slender green leaves.

Thalictrum minus 'Adiantifolium' (Meadow rue): Grown largely for its delicate, glaucous ferny foliage with branching, panicles of tiny, yellow-green flowers. Hardy. Up to 60cm.

Thermopsis rhombifolia var. montana: Lupin-like with sunny yellow pea-like flowers and bright green foliage. Flowers followed by velvety-brown seed pods. Hardy. Up to 90cm.

Trifolium ochroleucon (Sulphur Clover): Spikes of creamy yellow clover-like flowers above three-lobed foliage. Re-flowers if cut back. Good for bees. Hardy. Up to 50cm.

Trollius 'Lemon Queen (Globeflower): A clump-forming perennial with glossy deeply divided leaves. Pale yellow flowers in late spring and early summer.

Trollius chinensis 'Golden Queen' (Globeflower): Glowing gold cup-shaped flowers with a very prominent central boss of gold anthers. Really stunning.

Trollius x cultorum 'Alabaster' (Globeflower): Translucent pale yellow cup shaped flowers from early to late summer.