Once an oak stand has been regenerated, it may need maintenance to control the species mix and to encourage fast tree growth. Following a harvest, some oaks will produce numerous stump sprouts. When the sprouts are about 10 years old or 2 to 3 inches in diameter, they should be thinned to one or two dominant sprouts per stump. Remaining sprouts will grow faster and straighter. Leave dominant sprouts that are connected to the stump at ground level.