We have found 15 plants that meet your criteria.

Jerusalem Sage ‘Phlomis fruticosa’ Evergreen shrub with whorls of yellow flowers £5.99 Buy
Price Pruned
Barberry ‘Berberis thunbergii Atropurpurea Nana’ A shrub with yellow flowers in spring and autumn colour NOW £5.99 Buy
Price Pruned
Barberry ‘Berberis thunbergii Aurea’ Vivid yellow spring foliage NOW £5.99 Buy
Price Pruned
Barberry ‘Berberis thunbergii Helmond Pillar’ An upright shrub with purple leaves NOW £5.99 Buy
Camellia ‘Camellia x williamsii Jury's Yellow’ One of the best for producing loads of flowers £12.99 Buy
Wintersweet ‘Chimonanthus praecox’ Deliciously scented winter flowers £7.49 Buy
Corkscrew Hazel ‘Corylus avellana Contorta’ Unusual twisted stems £14.99 Buy
Forsythia ‘Forsythia x intermedia Lynwood Variety’ A haze of vivid yellow flowers in early spring £6.99 Buy
Chinese Witch Hazel ‘Hamamelis mollis’ Spidery flowers with lovely winter fragrance £17.99 Buy
Witch Hazel ‘Hamamelis x intermedia Pallida’ Beautiful sulphur-yellow flowers £17.99 Buy
St. John's Wort ‘Hypericum x moserianum Tricolor’ Deep yellow flowers and variegated leaves £6.99 Buy
Bay Laurel ‘Laurus nobilis’ Handsome evergreen shrub £7.99 Buy
Price Pruned
Magnolia ‘Magnolia denudata Yellow River’ Ideal for a small garden NOW £14.99 Buy
Mahonia ‘Mahonia x media Charity’ Handsome evergreen focal point for shade. Winter-flowering £9.99 Buy
Mahonia ‘Mahonia x media Winter Sun’ Evergreen shrub with bright yellow winter flowers £9.99 Buy