Serena Williams hits 157 consecutive weeks at No.1 this week, passing Martina Navratilova for the second-longest streak at No.1 in WTA history.
Answers.comÂ® is making the world better one answer at a time. A pecan tree can start producing pecans anywhere from 4 to 10 years if they are grafted. Ungrafted trees can take 10 to 15 years before producing pecans.
Pecans come from a nut tree native to the United States. Pecan season starts in early November and can last through December. Most pecan trees will start to produce nuts after 6-8 years, although this is dependent on the variety of pecan tree.