The fruit is Blue Muffin's big selling point but, as others have noted, it needs to be co-planted with a different dentatum variety that blooms at the same time. From all reports, dreamii and Chicago Lustre don't bloom at the same time. It's a pity that Proven Winners does not sell a good pollinator such as Little Joe. My Blue Muffin is a nice enough shrub, but the absence of berries makes it just another viburnum bush.
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