The potted Hydrangea usually needs to be turned over once a year for soil replacement, which is carried out in the first ten days of the month. Rotten leaf soil, garden soil and sandy soil are selected as new soil and mixed in the proportion of < span > 4:4:2 < /span > and a small amount of cake fertilizer is added.
The root system of the plant should be pruned when the basin is removed. Take out the plant from the basin, shake off the soil at the root, and cut off the rotten root, rotten root and long root. Put it into the new soil, compact the soil, pour it through water, and then put it in the shade for < span > 10 < /span > days, and then move it to the outdoor for normal maintenance.
Pruning is for the sake of aesthetic feeling and better growth. Cutting off redundant branches can reduce the consumption of nutrients. Only when flowers bloom, they will have sufficient nutrients and bright flowers. Don't worry, the hydrangea will wither, its vitality is very strong, and it is durable to repair and cut.
After the seedlings survive, they grow to about 10 ~ 15 < /span > cm. They need to be cut off from the top of the branches, so that the axillary buds under the plants can germinate.
Then select < span > 4 < /span > new branches in the upper part and remove all axillary buds in the lower part.
When the new plant grows to < span > 8 ~ 10 < /span > cm again, repeat the above actions.
The annual plants bloom less and usually more on the biennial strong branches. In order to ensure the continuous flowering next year, prune in time after flowering.
After flowering, cut the old branch short and keep < span > 2 ~ 3 < /span > buds to avoid the plant growing too high.
After autumn, the top of the new shoots should be cut off to stop the growth of the branches and let them enter the dormancy period.
Try, such a simple cut, beautiful shape, greatly enhance the ornamental value and plant growth will be more vigorous.