Generally, the height of Catalpa trees can grow to about 30 meters, but catalpa trees can only grow to 15-20 meters, so it's easy to see the difference in height
The crown of catalpa tree is relatively narrow and long obovate, the bark is grayish brown, the crown is straight, and the main branches are open and extended. But the crown of catalpa tree is oval, and the bark is brown or yellow gray.
The leaves of catalpa tree are triangular and ovate, the ends of the leaves are long and sharp, the twigs are gray green and hairless, but the difference of catalpa tree is that the leaves are nearly round, and the length and width of the leaves are almost equal.
The flower color of catalpa tree is light pink, with purple spots inside. Since the flower of catalpa tree is sterile, it usually only blooms and bears no fruit, and the flowering period is in April /May. The corolla of Catalpa is light yellow or yellow white, with yellow stripes inside. The flowering period is longer than that of catalpa, and the fruit ripening period is from August to October.
It is suitable for fertile and humid soil. Its young trees grow slowly, its lateral roots are more developed, and it has strong resistance to harmful gases and long life. Catalpa bears shade and cold. It is suitable for growing in temperate zone. It likes deep, fertile and moist soil.
There are some other differences between catalpa tree and catalpa tree, so we will not repeat them here. Through the above basic differences between catalpa tree and catalpa tree, we can know that they are actually two different kinds of plants.
