We have found 65 plants that meet your criteria.

Achillea filipendulina 'Cloth of Gold' Yarrow Flat, plate-like yellow flowers on tall stems £5.86 Buy
Achillea 'Moonshine' Yarrow Lovely, large sulphur-yellow flowers £5.86 Buy
Achillea 'Taygetea' Yarrow A shorter variety with pale flowers £5.37 Buy
Price Pruned
Alchemilla erythropoda Lady's Mantle Gorgeous groundcover for sun or shade NOW £4.88 Buy
Price Pruned
Alchemilla mollis Lady's Mantle Scalloped leaves and frothy flowers NOW £4.88 Buy
Anthemis tinctoria 'E.C. Buxton' Golden Marguerite Cheerful, lemon-yellow daisy-like flowers £5.37 Buy
Aquilegia canadensis Rock Bells Delicate, nodding flowers. Ideal in a meadow £5.37 Buy
Price Pruned
Aquilegia chrysantha 'Yellow Queen' Granny's Bonnet Elegant lemon yellow flowers NOW £5.37 Buy
Artemisia ludoviciana 'Valerie Finnis' Valerie Finnis Artemisia Very drought tolerant £5.37 Buy
Artemisia 'Powis Castle' Wormwood Silvery, aromatic foliage £5.37 Buy
Price Pruned
Brugmansia suaveolens Angels Trumpet (syn. Datura) Stunning, night-scented blooms NOW £8.31 Buy
Price Pruned
Coreopsis verticillata 'Moonbeam' Tickseed Yellow, daisy-like flowers NOW £5.37 Buy
Crocosmia × crocosmiiflora 'George Davison' Montbretia Gorgeous golden, amber flowers £5.37 Buy
Crocosmia x crocosmiiflora 'Honey Angels' Montbretia A shorter variety with masses of flowers £5.86 Buy
Price Pruned
Crocosmia x crocosmiiflora 'Norwich Canary' Montbretia Zesty yellow flowers and bright foliage NOW £5.37 Buy
Echinacea 'Sunrise' Coneflower Huge, yellow flowers £6.84 Buy
Eremurus stenophyllus Foxtail Lily Soaring, slender spikes of dark yellow flowers £6.84 Buy
Euphorbia characias 'Silver Swan' Spurge Delightful variegated foliage £6.84 Buy
Price Pruned
Euphorbia cornigera Spurge Stunning large yellow flowers NOW £5.86 Buy
Price Pruned
Euphorbia nicaeensis Spurge Long lasting flowers and structural shape NOW £5.37 Buy