We have found 12 plants that meet your criteria.

Yarrow ‘Achillea filipendulina Cloth of Gold’ Flat, plate-like yellow flowers on tall stems £5.99 Buy
Price Pruned
Angels Trumpet ‘Brugmansia suaveolens (syn. Datura)’ Stunning, night-scented blooms NOW £8.49 Buy
Foxtail Lily ‘Eremurus stenophyllus’ Soaring, slender spikes of dark yellow flowers £6.99 Buy
Bronze Fennel ‘Foeniculum vulgare Giant Bronze’ Tall perennial with feathery, bronze leaves £4.99 Buy
Price Pruned
Ginger Lily ‘Hedychium densiflorum’ The tallest of the ginger lilies NOW £6.99 Buy
Price Pruned
Ginger Lily ‘Hedychium gardnerianum’ Architectural foliage and fragrant yellow flowers NOW £6.99 Buy
Hollyhock (Syn Alcea x Althaea... ‘x Alcalthaea suffrutescens Parkallee’ Pale yellow, double flowers £5.99 Buy
Knapweed ‘Centaurea macrocephala’ Large yellow flowers are ideal for drying £5.49 Buy
Daylily ‘Hemerocallis lilioasphodelus’ A fragrant variety with bright yellow flowers £5.49 Buy
Iris ‘Iris Good Show’ Unusual orange flowers £6.99 Buy
Tall Bearded Iris ‘Iris Supreme Sultan’ A large flowering iris £6.99 Buy
Golden Groundsel ‘Ligularia The Rocket’ Towering spikes of brilliant yellow flowers £5.49 Buy