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 treefelling.buzzted Reading Time: 1 min. 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 a year.
Before pruning your gardenia, make sure to. Jan 04, Instead, plan on pruning your gardenia bush after the blooming season is over, but before the daytime temperature falls below 65 °F (18 °C). You'll know it's time to prune the bush once see the flowers begin to fade. Prune the bush 1 or 2 weeks after the flowers fade%.
Pruning in fall will remove flower buds and greatly reduce flowering next year. Other types, including 'August Beauty,' 'Kimura Shikazaki,' and 'Miami Supreme,' bloom on both previous year's growth and new growth.
This means that fall pruning will reduce the spring bloom, but new spring growth will produce flowers in summer. treefelling.buzzted Reading Time: 5 mins. When you do prune, do so right after flowering. For cultivars that produce a light rebloom later in summer, immediate pruning after flowering will also reduce the chance of removing these buds.
Otherwise, the pests from the diseased branches may attack the bush all over again. Do not water the plant for the next few hours after pruning. Usually, a gardenia bush does not have vigorous growth. So, you can prune it after a gap of two years, although most people prefer to prune it once a year to maintain an attractive shape.