Pecan Quick Facts: Mature Height: 60' to 80' Feet TallFall Color: YellowGrowth Rate: 1' to 2' Per YearPlant Characteristics: Deciduous, produces edible Pecans The Pecan tree is designated as the official tree of Texas. It should be planted with plenty of room to grow, for it will reach a height between 60 and 80 feet at maturity.