What about the rotten roots of hydrangea?

I. change the soil

Reason: Hydrangea likes to grow in acidic soil with good drainage. If the soil is alkaline and the drainage is poor, it can easily lead to poor growth and even rotten roots.

Solution: replace the acid soil with good drainage in time, and the soil rich in humus is the best, and the suitable soil can be more helpful to its growth.

Second, appropriate watering

Reason: excessive watering during daily maintenance, there will be a large number of stagnant water can not be discharged, once there is stagnant water, the roots of hydrangea can not breathe normally, which will lead to rotting roots.

Solution: at this time, we must reduce the amount of water, scientific and reasonable watering, before watering can see the color of the basin soil, lighter or there are cracks, then appropriate watering, watering it is best to water thoroughly, not only half of the basin soil.

III. Rational fertilization

Reason: reasonable fertilization is more conducive to its growth, if the amount of fertilizer is too large, it will burn the roots of hydrangea, resulting in root rot.

Solution: appropriate amount of fertilizer, fertilizer application should not be too large, in its growth period to give sufficient nutrients, about 15 days to apply fertilizer can help hydrangea better growth, flowers will bloom more. After the rotten roots, the rotten parts should be cut off, then disinfected and replanted in pots.