Coreopsis verticillata 'Grandiflora' (Tickseed 'Grandiflora'): Compact variety with bright and cheery golden yellow daisy-like flowers. Held on wiry stems. Hardy. Up to 60cm.

Coreopsis verticillata 'Moonbeam' (Tickseed 'Moonbeam'): A fabulous variety with pale lemon yellow daisy-like flowers. Held on wiry stems. Hardy. Long-flowering if dead-headed. Up to 60cm.

Coreopsis verticillata 'Zagreb' (Tickseed 'Zagreb'): Cheery bright yellow daisy flowers held aloft on wiry stems with delicate foliage. Hardy. Up to 40cm.

Hemerocallis 'Corky' (Daylily 'Corky'): Slender yellow trumpets with mahogany stripe on back. Flowers held high on black stems above fine foliage. Superb plant. To 60cm. Hardy [Collect Only]

Hemerocallis 'Happy Returns' (Daylily 'Happy Returns'): Compact daylily with cheery lemon yellow flowers. Very free flowering, ideal for a sunny spot. To 40cm. Hardy.

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.

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

Phlomis russeliana (Turkish sage): Whorls of lemon yellow flowers rise above mats of grey-green rough leaves. Hardy. To 50cm.

Potentilla 'Esta Ann' (Cinquefoil 'Esta Ann'): Vibrant yellow flowers with a red centre held well above a mound of dark green strawberry-like foliage. Hardy. Up to 40cm.

Rudbeckia fulgida var. sullivantii 'Goldsturm': Large gold flowers with a chocolate eye produced in profusion from late summer well into autumn. Hardy. Up to 60cm.

Sisyrinchium striatum: Open fans of strappy iris-like leaves topped with lemon yellow flowers in summer. [Collect Only]

Trollius x cultorum 'Lemon Queen' (Globeflower 'Lemon Queen'): A clump-forming perennial with glossy deeply divided leaves. Pale yellow flowers in late spring and early summer. Hardy. Up to 60cm.

Trollius x cultorum 'New Moon' (Globeflower 'New Moon'): A new cultivar to Bluebell in 2021. Pale yellow cup shaped flowers from early to late summer. Great plant for damp or rich soil. Hardy. Up to 60cm.