How to add potash into soil? - Knowledgebase Question

Huntington Beach, Ca
Question by serpentina_s
April 28, 2008
How do you add strictly potassium to soil without adding anything else? I recently did a soil test in the area where my gardenia is because as of late, it has looked really shabby. It turns out that everything was between med-high EXCEPT for the potash. So my question is, how do you add ONLY potash without adding more phosphorous seeing as those two usually go hand in hand on all of the fertilizer boxes I have read.


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Answer from NGA
April 28, 2008

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The most convenient source of Potash, or potassium, is wood ashes. If you have a wood burning fireplace, you can add the ashes to your garden. Or, you can purchase a bag of potassium at a well stocked nursery - one that carries organic fertilizers. You can purchase Organic Potash (called Palm Bunch Ash 0-0-30) through the online source www.planetnatural.com. Another approach is to find a fertilizer with a high level of potassium (the 3 numbers on the fertilizer package indicate the 3 major nutrients, nitrogen, phosphorous and potassium). Choose a fertilizer with a higher third number.

Best wishes with your garden!

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