We have three Viburnum bu... #132328 - Ask Extension

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We have three Viburnum bu... #132328

Asked June 05, 2013, 3:17 PM EDT

We have three Viburnum bushes planted in a row just off the front porch; approx 5 years; 2500 ft elevation; partial sun. The tag on the bushes when purchased included a photo of a bush with flowers, but these three have never bloomed. Any thoughts? I'd love to have blooms and that wonderful fragrance in the spring.

Preston County West Virginia

Expert Response

Causes of failure to bloom include cool spells, insufficient light, too much nitrogen, immature plant, improper pruning, winter damage, high and low temperatures, too much water or insufficient water, deer eating the buds.  Some cultivars of viburnum bloom better than others.  Some viburnums are not even fragrant.  Some shrubs simply take time to bloom after being planted.  vw
What is the best way to mitigate too much nitrogen?
The Question Asker Replied June 06, 2013, 9:47 AM EDT
Simply stop fertilizing for a year or more.  If you choose to fertilize in the future, consider applying a low nitrogen, high phosphorus fertilizer such as bone meal.
LS

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