McIntosh apple trees grow at a moderate rate and at maturity will attain heights of around 15 feet (4.5 m). They bloom in early to mid-May with a profusion of white blossoms. The resulting fruit ripens by mid to late September.

How do you know when a McIntosh apple is ripe?

Check the Color

In McIntosh apples (Malus domestica "McIntosh") and hardy in USDA zones 4 through 7, the color around the stem lightens and then turns yellow when the apples are mature. Fruits are generally ripe and ready for harvesting during late summer.

What is the season for McIntosh apples?

McIntosh apples are available in late fall and early winter. These varieties of apples thrive on a farm in a cool climate. Some types of McIntosh apples can be harvested as early as July or as late as November.