Purple begonia seedlings are widely planted in China. In winter, the weather is cold. Although cardinal begonia seedlings are cold-resistant, they should be maintained, so as to be more cold-resistant and less prone to illness. Let's take a look at the maintenance of Cardinal Haitang in winter:

1. In winter, I want to use liquid fertilizer to topdress the seedlings, mainly phosphorus and potassium fertilizer, to promote flower bud differentiation.

2. Ripe fruits should be picked in time to avoid consuming nutrition. Saving nutrients is conducive to increasing the number of flowers in the coming year. In June165438+1October, the seedlings should be pruned, overlapping branches, dead branches and diseased branches should be removed, and the tree shape should be adjusted to facilitate growth.

3. The wound caused by the pruning of Cardinal Begonia should be sealed with "corpus callosum antiseptic film" in time to protect the wound from dryness and pests.

4. In the rainy and snowy weather in winter, it is necessary to fill the ground at the root of Begonia andraeana to maintain the basic soil temperature, which is beneficial to the overall cold resistance of trees.

The above is the specific method of winter maintenance of Cardinal Begonia, hoping to help your seedlings survive the winter safely.