How often to use Espoma Sulfur?

sterph116June 30, 2007


About a month ago, I used Espoma Garden Sulfur on my 4 Nikko hydrangeas, and they have now bloomed a gorgeous blue color. My question is, how often should I apply the sulfur? Is it something I should do just once a year, or more often? Thanks for any help!

~ Stephanie

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Once you attain the desired hue of blue, you need to determine what PH Level your soil currently has and you will need to re-apply your ammendments when new measurements show that the PH Level has become more alkaline. In between checks, you can probably add a smidgen (a tbsp or so) or once every week to 4 weeks (your choice). The "proper" amount is variable and is a function of many things, such as your geographic location, soil type (sandy, normal, clay), local weather (rainy, ...), etc. Increase the frequency and/or amount so it will yield the proper blue hues and maintain your soil Ph at the same level.


    Bookmark   July 1, 2007 at 2:13AM
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