thumb|right|Pecan trees are common throughout Kirby. Kirby is a major producer of pecans, which grow naturally in the soil. Pecans produce in large quantities between September and November. Certain trees do not produce every four years; 1996, 2000, and 2004 were all years with low pecan production.
thumb|right|Pecan trees are common throughout Kirby. Kirby is a major producer of pecans, which grow naturall,y in the soil. Pecans produce in large quantities between September and November. Certain trees do not produce every four years; 1996, 2000, and 2004 were all years with low pecan production.