Carpinus Laxiflora 40 years old.
Watering: Water at least once a day throughout the growing season to keep the soil continuously moist, use only soft water: rainwater.
Feeding: Every week during the first month after leaves appear, then every two weeks until late summer.
Repotting: In early spring, every two years until the tree is about 10 years old, then as necessary when the roots fill the pot, or every 3 years, use basic soil mix.