Boskoop Ruby is a small deciduous shrub producing many, deep crimson flowers on upright shoots towards the end of spring and the start summer.

Maria Burkwoodii is a small deciduous shrub which blooms deep crimson flowers with light red and yellow edges along the wings

Praecox Albus is a compact, deciduous shrub that produces many small, white flowers the middle to the end of spring

Praecox Allgold is a deciduous small shrub of bushy, dense habit. At the end of spring it produces bright yellow flowers. 

Cytisus Praecox Zeelandia  is a small deciduous shrub producing many, deep pink to red flowers on upright shoots towards the end of spring and the start summer.