How can the root of Wei Zihua die?

Pour some salt water, which will increase the osmotic pressure of roots and spit out dead water.

1, Lagerstroemia indica, also known as full house red and full rice flower, also known as prurigo and hundred days red.

2. Lagerstroemia indica has beautiful posture, smooth trunk and bright colors; When it blooms, it happens to be the season when there are few flowers in summer and autumn, and the flowering period is long. Therefore, it is known as "Hundred Days Red" and "Summer Blue and White Flowers Full", and it is a good bonsai for viewing flowers, stems and roots; Roots, bark, leaves and flowers can be used as medicine.