The Q&A Archives: Mock Orange not blooming

Question: I sent this question a week ago but have yet to receive a reply.
I planted my shrub 5 yrs ago. Never has bloomed. Last month it had 1 cluster of flowers. It is planted in sun, looks healthy & is over 4 ft tall. I am tempted to prune hard. Especially the older stems.
Your opinion is greatly appreciated.

Answer: I remember your question and answered it, perhaps your email filter blocked it or there was some other technical issue. Mock orange occasionally seems to do this for no apparent reason and I have seen gardeners try different pruning methods to no avail. Make sure it is in full sun all day long (or a minimum of a half a day of sun) and that it is not being overfertilized. Excess nitrogen from say adjacent lawn fertilizer plus individual feedings combined would be way too much. You could certainly try pruning, remove some of the oldest stems by cutting them at the base, but do it next spring not now. This will stimulate vigorous new growth from lower on the plant which is usually a good thing for deciduos shrubs. Maybe it will bloom next year -- especially since it began to bloom this year. I'm sorry I can't be more specific for you.

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