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.
growth edit the pecan tree is a large deciduous tree growing to 20 40 m 66 131 ft in height rarely to 44 m 144 ft it typically has a spread of 12 23 m 39 75 ft with a trunk up to 2 m 6 6 ft diameter a 10 year old sapling will stand about 5 m 16 ft tall