(David L. Reath 1992) A brilliant orange red semi-double with large silken petals; the 3 or 4 rows of petals are ruffled and fluffy which makes the flower look more double; very fertile as a pod and pollen parent; height to 36 inches; a vigorous grower and prolific bloomer that puts on an awesome display in the early midseason; The Mackinaw Grand is a famous resort hotel in upper Michigan.