‘Louisa’ Crabapple (Malus ‘Louisa’) features dainty pink blooms that are later followed by yellow, pea-sized fruits that mature in the fall and stick around into the winter. Dark green summer foliage melts into yellow leaves in autumn. These crabapple trees also have strong resistance to several diseases. ‘Louisa’ Crabapple is hardy in Zones 4 – 8.