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hydrangea has growth

Posted by mad_about_mickey **7* *N.C. (My Page) on
Tue, Mar 18, 08 at 20:34

now if i want it to be blue, do i fertilize with miracid type fertilizer or something else? I got them from qvc last year. One bloomed pink and one blue. The other one didnt bloom at all, but has nice growth this year. Any help would be appreciated.


Follow-Up Postings:

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RE: hydrangea has growth

Sounds like a good plan. You can also try mulching with acidic mulches like pine bark. Good luck!


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RE: hydrangea has growth

Several of the newer (last 10 years or so) hydrangeas don't change color with the soil pH, they just bloom the color they bloom. So, not knowing the cultivars, yours MAY change color and bloom as you want or may bloom as they did last summer, hopefully with blooms on the non-bloomer. If you REALLY want blooms of a certain color, you may have to buy ones that stay that color whatever the soil pH.


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RE: hydrangea has growth

If you have one of the old-fashioned hydrangeas that will change color with soil acidity, you can take a soil sample to the Johnston County Ag Dept and the soil will be analyzed for free. Adding sulphur is a good way to reduce soil pH.


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RE: hydrangea has growth

For the hydrangeas that change color between pink and blue (not all do), it's aluminum that makes them blue. Aluminum is usually present in the soil but isn't readily available to the plant at higher pH, so that's why people talk about making the soil acid. The soil test will let you know where you stand on both fronts, and if it turns out you need both you can use aluminum sulfate.


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RE: hydrangea has growth

They are 'endless summer'.


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RE: hydrangea has growth

Endless Summer will change color depending on the soil acidity.


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RE: hydrangea has growth

Add aluminum sulphate and any good azalea camelia fertilizer (I like Hollytone because it's mostly organic and slow release) if you want blue and lime will cause them to turn pink.


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