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vibrunum
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Posted by
judydenver colorado (
My Page) on
Mon, May 31, 10 at 18:55
| I planted a large Korean Spice viburnum 3 years--it has never bloomed. 2 years ago, I planted 4 large Burkwood viburums--those have never bloomed either. Do they need fertilzer and if so, what kind (Miracle grow?). I really want to see blooms next year. |
Follow-Up Postings:
RE: vibrunum
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| No fertilizer. Welcome to Colorado. IMHO Korean spice viburnum are not appropriate for here unless babied. If you didn't dig a 100.00 hole for a 10.00 plant, you won't have success with V. carlesii here. Entirely possible either the weather or your pruning is affecting the V. x burkwoodii, not the best choice for here either as early bloom can be killed by cold. Both may not be mature yet, with given information impossible to tell you anything else. Maybe pruning. Certainly the climate here will give you only sporadic bloom every third year or so, and one good one every five (notice all the Spiraea 'Bridal Wreath' this year? Didn't know we had so many did you?). All guesses with sparse info given. But fertilizer will do exactly zero for your issues, which for this particular issue is likely the cold. You may want to go over to the RMG forum to see if anyone there has any tips on how to avoid the weather affecting these shrubs or if folks have given up on them. Dan |
RE: vibrunum
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| They probably aren't mature yet. |
RE: vibrunum
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| And there is always the question of whether they get enough sun .... But dan's points about specific Colorado conditions are probably the most appropriate. |
RE: vibrunum
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| Maturity has very little to do with it.......viburnums do not require a specific age or size of plant before they flower -- all it takes to confirm that is visiting a growing nursery and seeing tiny little 12" (or less) starts laden with flowers. Dan has the right idea.....the climate and location are just not conducive to the success of this plant. It's a pretty simple fact of gardening life -- not all plants can be grown in all areas :-) |
RE: vibrunum
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| I was introduced to V. carlesii at the Denver Botanic Gardens - there's a whole hedge of it along a fence near the front entrance (or at least there was 20 years ago) and the scent convinced me that I really had to grow that plant. They were at least 4 feet tall at the time, so they were being successfully grown there. Maybe you can check with them if they still have that hedge and what they do to grow it successfully. |
RE: vibrunum
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| A soil test is a good idea. In the east, our moist, acid soil provides the perfect home for V. carlesii. They get no fertilizer or even mulch here and thrive. Although it is said that viburnum aren't particular about soil, some amending may make your plant happier. |
RE: vibrunum
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| I planted a V. plicatum 'Mariessi' 4-5 years ago and it just bloomed this year for the first time. (and what a sight it was!!) I was attributing it to maturity. However, we had a mild winter and I did see more blooming on various plants than ever before throughout my gardens. So gardengal is likely right, that its not a maturity issue. |
RE: vibrunum
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| It is true some Viburnums mature earlier than others. It is also true here in Denver these don't bloom every year. Due to the reasons above, esp spring wx killing buds. Dan |
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