Do old branches need to be cut off when pruning climbing roses?

This is Blue Monster's daily original article, day 895

Rose cultivation series article: No. 92

Previously, when Blue Monster shared how to quickly build a flower wall with climbing roses, it was mentioned: pay attention to protecting the growth of basal shoots, so that the basal shoots can replace the old branches.

Yesterday a flower friend asked Blue Monster this question:

For a climbing rose that has already been trained for 3-4 years, during winter pruning, do the original old branches need to be replaced with current-year branches? Blue Monster thinks this flower friend's question is very good. Today Blue Monster will use it as a starting point and briefly introduce the issue of renewing climbing rose plants.

When it comes to climbing rose flower walls, many people really long for them. Some flower friends already have their own flower walls. So for a flower wall that has already taken shape, how should we do winter pruning?What kind of old branches should be cut off, and what kind of branches can be kept?

To figure this out, we first need to understand why we should protect the strong basal shoots of climbing roses. The effect of a climbing rose flower wall depends on horizontal branches, prompting the buds on the same branch to sprout and bloom at the same time, thus achieving the flower wall effect.

From this technique, we can imagine that if one branch needs to sprout many buds at the same time and bloom at the same time, then that branch must be very strong, because even if a weak branch can sprout new buds at the same time, it cannot bear flower buds and bloom. Through this analysis, let us look again: what kind of branches can be kept, and what kind of branches cannot be kept?

Generally, after climbing roses bloom, we prune off 1/3 of the plant height to leave room for growth. After pruning, some branches will sprout strong buds from lower positions. For this kind of branch that has grown strong buds, during winter pruning, it can be cut back to above the strong branch.

As for those old branches that have not sprouted strong branches, we can prune them as appropriate. Generally, old branches over 3 years old should be pruned off. Next, old branches that grow weakly should also be cut off. In addition, when there are many basal shoots and strong branches sprouting, old branches with average growth vigor and relatively dense branches also need to be cut off to enhance the plant's air circulation.

Rose pruning is a very flexible matter. You can prune according to the condition of the plant and your own space size, but one point needs attention: do not prune heavily after flowering! Heavy pruning after flowering can easily cause the plant to grow thin and weak! In winter, first select strong branches for training. For the remaining weaker branches, whether new or old, cut off all branches that have no space to be placed.

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