Sold OutJoin Our Wait List The McMillan Pecan is another Auburn release that has been found to be highly productive. McMillan is an annual bearer of quality nuts averaging 56/lb and 51% kernel that ripen around October 20. It has some scab in wet years. Grafted trees will bear in 5 to 7 years. McMillan will bear in the upper south, TN, AR, OK, and NC. Pecans are hardy in zones 5 to 9. For those in northern areas, north of the Ohio River, please read the link on this page.