Help needed with my Viburnum plant

blue_viburnumI hope to get your advice about a Blue Muffin Viburnum that I planted in my backyard about 5 years ago.  I live in Brooklyn, NY.  This is the only viburnum growing in my garden.  And it is receiving southern exposure light, so it receives lots of sun.

Here are my two problems:

1) In the first 2 years, it produced lots of beautiful white flowers that turned into little unripened green berries but which never reached its maturity.  I would see the unripened berries for a few days, and then the next day, most would disappear and whatever remained seemed to have broken off.  We get many sparrows and a few mockingbirds visiting our garden.  Perhaps the birds are responsible…I can’t be sure because I have never caught any of them eating the berries.

2) For the past 3 years, the viburnum did not produce any flowers, just lush green leaves and lots of them.  This past spring, it produced not more than 4 clusters of flowers which then turned to unripened tiny green berries that eventually disappeared.  

I am befuddled about this and would sure appreciate any advice you can give.  I am so disappointed that my viburnum has never reached its full potential and hope there is some solution to rectify this problem.

Thank you,

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1 Comment

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    July 16, 2009 at 10:25 am

    It sounds like it is in a good position for sun, but it may be needing pruning to remove some the older wood and to revitalize it a bit. Most shrubs after a few years appreciate a little thinning out. Plus all viburnums like some fertilizer in the early spring to help them get going. A balanced slow-release fertilizer is best. You could supplement with a little “bloom” type fertilizer. That would be one where the second number of the three is the highest.

    Another suggestion, since you have only one plant, is to try planting at least one other Arrowwood viburnum somewhere else in your yard, or talk a neighbor into planting one. Fruit set is improved when there is another variety around for cross-pollination. He may just be lonely.

    I hope this helps and that you have lots of beautiful blue berries (like the photo shows) for you and the birds to enjoy.


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