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How to tell Vigoro fertilizer spikes apart?

We have a box of Vigoro brand fertilizer spikes.  The outer packaging is gone.  Nowhere on the box does it specify which type of plant these spikes are meant for.  Does anyone know how to tell the different kinds of spikes apart?
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Posted 2016-05-02T20:09:30+0000  by mammacat mammacat


Greetings mammacat,

I just spoke with a representative from Vigoro products and they said: the evergreen spike is grayish in color and the fruit, nut and flowering tree spikes are tan in color…I hope this helps a bit!

The Vigoro consumer question telephone # is 1-866-779-5880

Best of luck, Maureen

Posted 2016-05-03T16:24:25+0000  by Maureen_HD_BOS

Hi Mammacat.


Thank you for your great question.


Without the outside wrapper to identify which spikes you have, it would be difficult to tell which one is which unless you had one to compare it with. The color of the spikes may have faded with time as well. 


You can still use them as long as you know what the N-P-K range is for the spikes.


The three types of Vigoro Fertilizer Spikes that we carry at the Home Depot are:

•           Tree and Shrub-12-5-7

•           Fruit, Nut and Citrus-16-4-8

•           Palm, and Ixora-8-4-8

When using fertilizer spikes, they should be placed at the drip line of the plant.  The spikes should be 2 inches below the surface and placed in at a 45° angle.


The Fruit, Nut and Citrus spike is the strongest but only by 4% on the nitrogen over the Tree and Shrub spike but it is twice as strong in the nitrogen as the Palm and Ixora spike.  

If you want to be cautious, you can always break the spike up and apply it like a granular fertilizer a little at a time at the Drip Line of your plant.


Please let us know if we can be of further assistance.



Posted 2016-05-03T16:44:36+0000  by Rick_HD_OC
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