We have found 167 plants that meet your criteria.

Californian poppy
Eschscholzia californica 'Mission Bells' Californian poppy Perfect for novice gardeners £2.49 Buy
spurge
Euphorbia characias subsp. wulfenii spurge Handsome tall evergreen with chartreuse flowers in spring £8.99 Buy
spurge
Euphorbia polychroma spurge Vivid acid yellow flowers £7.99 Buy
fennel - bronze
Foeniculum vulgare 'Giant Bronze' fennel - bronze Tall perennial with feathery, bronze leaves £7.99 Buy
fennel - bronze
Foeniculum vulgare 'Giant Bronze' fennel - bronze Tall perennial with feathery, bronze leaves £5.99 Buy
forsythia
Forsythia × intermedia 'Lynwood Variety' forsythia A haze of vivid yellow flowers in early spring £8.99 Buy
avens
Geum 'Lady Stratheden' avens Bright yellow, double flowers £6.99 Buy
avens
Geum 'Lemon Drops' avens Delicate, nodding, greenish-yellow flowers £6.99 Buy
New
corn marigold (syn. Chrysanthemum segetum )
Glebionis segetum corn marigold (syn. Chrysanthemum segetum... Bright yellow, daisy-like blooms £2.49 Buy
Price Pruned
witch hazel
Hamamelis × intermedia 'Pallida' witch hazel Beautiful sulphur-yellow flowers NOW £19.99 Buy
Price Pruned
witch hazel
Hamamelis × intermedia 'Sunburst' witch hazel Large sulphur-yellow flowers NOW £29.99 Buy
sneezeweed
Helenium 'The Bishop' sneezeweed Glowing golden flowerheads £7.99 Buy
sneezeweed
Helenium 'Wyndley' sneezeweed Lovely with ornamental grasses £7.99 Buy
sunflower
Helianthus annuus 'Garden Statement' sunflower Great in the garden or the vase £2.99 Buy
sunflower
Helianthus debilis ssp. cucumerifolius 'Italian Green Heart' sunflower A vibrantly coloured favourite £2.99 Buy
sunflower
Helianthus debilis 'Vanilla Ice' sunflower A compact, creamy-yellow sunflower £1.99 Buy
daylily
Hemerocallis citrina daylily Star-shaped, lemon-yellow flowers £7.99 Buy
daylily
Hemerocallis lilioasphodelus daylily A fragrant variety with bright yellow flowers £7.99 Buy
daylily custard candy
Hemerocallis 'Custard Candy' daylily custard candy These flowers are a beautiful cream... £7.99 Buy
daylily Entrapment
Hemerocallis 'Entrapment' daylily Entrapment This can only be described as a stunning daylily £7.99 Buy