We have found 19 plants that meet your criteria.

Yarrow ‘Achillea Moonshine’ Lovely, large sulphur-yellow flowers £5.99 Buy
Price Pruned
Tickseed ‘Coreopsis verticillata Moonbeam’ Yellow, daisy-like flowers NOW £5.49 Buy
New
Montbretia ‘Crocosmia x crocosmiiflora Honey Angels’ A shorter variety with masses of flowers £5.99 Buy
Price Pruned
Montbretia ‘Crocosmia x crocosmiiflora Solfatare’ Apricot-yellow flowers NOW £5.49 Buy
Bishop's Hat ‘Epimedium x rubrum’ Wonderful bronze foliage and crimson red flowers £5.99 Buy
Price Pruned
Bishop's Hat ‘Epimedium x warleyense’ Attractive red margin to foliage NOW £5.49 Buy
Avens ‘Geum Lady Stratheden’ Bright yellow, double flowers £5.99 Buy
Shasta Daisy ‘Leucanthemum × superbum T.E. Killin’ A popular, bright, white daisy. Very long flowering £5.99 Buy
Phlomis ‘Phlomis russeliana’ Pretty whorls of pale yellow flowers £6.99 Buy
Coneflower ‘Rudbeckia laciniata Herbstsonne’ Bright yellow, daisy-like flowers £5.99 Buy
Price Pruned
Montbretia ‘Crocosmia x crocosmiiflora Norwich Canary’ Zesty yellow flowers and bright foliage NOW £5.49 Buy
Price Pruned
Barrenwort ‘Epimedium x perralchicum Frohnleiten’ Opulent golden yellow flowers NOW £5.49 Buy
Price Pruned
Spurge ‘Euphorbia polychroma’ Vivid acid yellow flowers NOW £5.49 Buy
Spurge ‘Euphorbia Whistleberry Garnet’ Bold evergreen foliage £6.49 Buy
Daylily ‘Hemerocallis Stella De Oro’ a dwarf daylily with cheeful yellow flowers £5.99 Buy
Stinking Gladwyn ‘Iris foetidissima’ Bright orange berries. Useful for dry shade £5.99 Buy
Red Hot Poker ‘Kniphofia Brimstone’ Dramatic spikes of yellow flowers £6.99 Buy
Price Pruned
Red Hot Poker ‘Kniphofia Little Maid’ Small variety with pale yellow flowers NOW £5.49 Buy
Price Pruned
Montbretia ‘Crocosmia x crocosmiiflora Jackanapes’ Eye-catching, red and yellow flowers NOW £5.49 coming soon