Chaenomeles are deciduous, usually spiny shrubs with simple leaves and cup-shaped, 5-petalled flowers, solitary or clustered, in spring, followed by edible often fragrant green or yellow fruits
'Knap Hill Scarlet' is a spreading small deciduous shrub, with glossy obovate leaves to 5cm in length. Flowers to 4cm in width, bright orange-scarlet. Fruits yellow, apple-shaped, fragrant when ripe