How big can the smell column grow?

3-4 meters.

1, multi-column, also known as immortal column, belongs to sunflower. Generally speaking, the multi-column is tall, columnar and easy to reproduce. Most species come from the Caribbean or equatorial South America, so it often needs to be very hot in winter.

2. Generally speaking, if the fragrant column is cultivated for more than 2 years, it can jump from small seedlings to 1-2 meters high. If you raise it for seven, eight or even longer, how can you raise it to 3-4 meters?

3. Growth habit of Polygonum multiflorum: It has strong habit, drought resistance and humidity resistance, and can be cultivated in the open air in the southern region. It is a very good cutting variety. Propagation mode: cutting and sowing. ?