Cytisus × praecox, the Warminster broom, is an artificial hybrid species of flowering plant in the family Fabaceae.[2] Its parents are Cytisus multiflorus (the white Spanish broom) and Cytisus oromediterraneus (the Pyrenean broom).[1] A deciduous shrub, it is available from commercial suppliers.[2] It has a number of cultivars, including 'Allgold' and 'Warminster', which have both gained the Royal Horticultural Society's Award of Garden Merit.[3][4] Other commercially available cultivars are 'Albus' and 'Lilac Lady'.[5][6]