How to prune gardenias and when is the most appropriate time to prune them?
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When pruning gardenias, they have a strong germination ability and are tolerant to pruning. The second flush of new shoots in September develops flower buds, which bloom the following year. After the flowers fade, if pruning for shaping, only thin out the extending branches, sprawling branches, weak branches, slanting branches, overlapping branches, and dead branches, but maintain the integrity of the plant's shape. If the new buds are cut off, the number of flowers the following year will decrease.
Pruning and shaping of gardenias are often done in the year of planting. The single trunk with three branches natural shaping method is commonly used. In the first year after planting, remove the buds on the stem 25-35 cm above the ground to make it the main trunk. Then, select three strong branches growing in different directions on the canopy to cultivate as main branches, with a spacing of about 10 cm. Secondary main branches and lateral branches are then cultivated at appropriate positions on the main branches to make the canopy open. If managed well after planting, some plants may have a few trial flowers in the second year, and these flowers should be removed to promote rapid formation of the canopy.
In order to increase the number of flowers, it is necessary to promptly shorten the flower branches that have bloomed in June, leaving 2-3 nodes at the base to prevent post-flowering fruiting from consuming nutrients. After the new branches grow 3 nodes, it is time to pinch the tips and remove 1-2 lateral buds, leaving 1-2 to develop into secondary lateral branches. In August, when the new shoots of the secondary lateral branches grow to about 15 centimeters, pinch them again to prevent elongation. These lateral buds will produce new branches that can bloom in the spring of the following year. This is all about how to prune gardenias.
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