crabapple plant sweet crabapple plant Malus coronaria (L.) P. Mill. Malus coronaria (L.) Mill. Malus coronaria, also known by the names sweet crabapple or garland crab, is a North American species of Malus (crabapple). It grows primarily in the Great Lakes Region and in the Ohio Valley, with outlying populations as far away as Alabama, eastern Kansas, Long Island, and Ontario.[ PLANTS:MACO5 malus coronaria requires discussion