In the unlikely event that you have branches larger than that.
Jun 18, Gardenias will set their flower buds for the next year in the fall, so pruning in the summer will allow you to cut back some of the older wood without risking cutting away newly set buds. Most varieties of gardenia only bloom once a year, though breeders have developed a few varieties that can bloom more than once when is the best time to cut gardenia bushes back year. Before pruning your gardenia, make sure to check that the variety that.
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Oct 20, Grumpy's sure-fire, no messing around, always guaranteed correct answer: Gardenia blooms on new growth, so you can prune it now, this winter, or early spring without eliminating the blooms. Cut it back as far as you need to. The only time you don't want to prune is when it's setting flower buds or you'll cut off all the treenotch.bar: Steve Bender. Jan 04, It is best to prune your gardenia shrub right after the blooms have faded in the summer.
Gardenias will set their flower buds the next year in fall, so pruning in the summer will allow you to cut 96%. Because gardenia flowers form on old growth, if you hack up your shrub before the flowering period, you will likely lose most, if not all, of your blooms. To avoid this, wait until after gardenias.