Pruning photinia shrubs is best done after they are done blooming for the season, and cutting back one-third of the plant will encourage new growth and more blossoms for years to come. Prune a photinia plant each year with advice from a sustainable gardener in this free video on gardening.
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Hi, in this segment we're going to talk about pruning photinia, and they're a beautiful shrub or a little kind of a bush that has gorgeous flowers all over it. So the best time to prune your photinia is right after it's done blooming, because a lot of the blooms in the buds will be set for the next year. So if your rule of thumb is only to trim back 1/3 of the plant at one time, you won't want to just hack it to the ground, you want to leave at least 1/3 of the plant. So if you have a photinia that's just out of control, take the time, prune it 1/3 the first year, 1/3 the second year and 1/3 the third year, and you'll find that you'll get lots of blooms and it'll eventually fill in and you can save that plant. So even in the inside branches, just every third branch just trim it out, to trim it out where the leaves meet, you don't want to just cut all it back to dead wood or just wood, because then that part usually won't grow back. But photinia is such a nice plant that doesn't need a lot of requirements. And it will fill in eventually, even if you go in and hack it, eventually it will grow back and look beautiful for you. But by just trimming out the dead wood and trimming it down 1/3 each year you will find that you can enjoy it for many more years to come.