Home Made Miracle Grow – Make your Own

Make your own plant fertilizer.

Many people who garden do not like to use commercial products to fertilize their plants. They prefer natural ingredients.    Green is in when it comes to gardening.  For those of you…you are in luck.  Here are 5 versions of a home made plant fertilizer.

There is an easy to fertilize your plants without store bought chemicals!  There are several ways to do this. Some are touted as “Home Made Miracle Grow.”  Others are called compost tea, and some others just plain old DIY fertilizer.

DIY Home Made Miracle Grow Plant Food

Image adapted from a public domain photo on MorgueFile

Here are a few ways to fertilize without the use of chemicals.
DIY Miracle Grow:

  • 1 gallon of water
  • 1 tbsp epsom salt
  • 1 tsp baking soda
  • 1/2 tsp of Household ammonia

Mix all ingredients together and use once a month on your plants.

Compost Tea:

Get a clean glass jar.  Add water to the jar.  Keep it on your counter.  Whenever you use eggs, crunch up the shells and put them into the jar.  The same goes for coffee ground.  Put them into the jar.  Once you have quite a bit of this mix, add more water, shake and let it sit for a while.

It will need to sit for quite a while and you will need to shake it every day.  Do not keep the jar in direct sunlight.

After about a week, strain the mix and strain it though a paper towel into another bottle.   That is all there is to it.  Just the strained “compost tea” fertilizer to add to your plants.

Weed compost tea:

Similar to the coffee/tea version but you use weeds.  Don’t use any weeds that have been treated with herbicide.  Place the weeds in a jar with rain water. Cover and place in the sun.  It will smell really foul, but in a week you will have your “weed compost tea.”  This mixture is e far more effective than miracle grow and will last the entire season in the ground.

Epsom salt fertilizer.  This is the perfect DIY fertilizer for  your houseplants, peppers, roses, potatoes, and tomatoes.  The reason for this because Epsom salt contains sulfate and magnesium, two important minerals needed by these plants.


  • 1 tablespoon of Epsom salt
  • 1 gallon of water.

 Mix well and add to your plants once a month when you water.

Fish tank water fertilizer.

This has similar effects that fish emulsion fertilizer does.  It doesn’t require any labor at all.  Just save all the dirty fish tank water and use it for watering the plants. Fish water contains nitrogen and other important nutrients that the plants need.

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DIY Miracle Grow Fertilizer

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  34 comments for “Home Made Miracle Grow – Make your Own

  1. KokHeong McNaughton
    04/23/2014 at 4:22 pm

    What do you mean by 1 tsp ammonia? Ammonia is a gas. Do you mean Ammonia sulfate, or some other compound?

    • JG
      04/24/2014 at 12:17 am

      Lol that is exactly what I was thinking when I read ammonia, I would not use that until you know for sure, you walk outside 10 minutes later after using it and you may have a dead ass plant

    • admin
      04/28/2014 at 11:59 am

      the recipe uses common household ammonia.

    • MichaelT2
      06/27/2014 at 7:24 pm

      It’s a bottle of clear liquid which is labeled “Household Ammonia”. You can usually find it at any grocery store, Target, Walgreens, or any drug store. Hope that helps. :-)

  2. Steven
    04/24/2014 at 5:09 am

    Will cat pee work for the ammonia ?

    • Susan
      06/13/2014 at 11:46 am

      Urine has to break down before “becoming ammonia”, and I’m not sure you would substitute it for household ammonia.

  3. Tina
    04/26/2014 at 8:08 pm

    Do yo use a tablespoon of the compost tea and compost weed fertilizer mixed with a gallon of water just as you do the epson salt fertilizers?

  4. Jason
    04/28/2014 at 11:00 am

    Every time I read directions on this sort of thing it always says add to your plants once a month/week but how much of the solution do I actually add to them? I don’t want to add too little or too much…

    • admin
      04/28/2014 at 11:54 am

      Hi Jason, It is sort of a trial and error. I always err on the side of caution and add just a little to see how they do with it.

  5. Theresa
    04/28/2014 at 9:10 pm

    So if baking soda, household ammonia, and Epsom salts aren’t chemicals, then what are they? I’m a lifelong gardener with a degree in chemistry. I always get a kick out of posts like this.

    • kelly
      06/12/2014 at 8:18 am

      Probably from gardeners who live in radiation free zone! :)

  6. ashley keeney
    07/30/2014 at 4:57 am

    I just snagged a plant that someone threw away on the side of the road, going to plant it today to bad I did my aquariums water changes yesterday… lol that will work wonders though!

    • admin
      07/30/2014 at 9:55 am

      Hi Ashley. One of my favorite things to do is to try and revive plants that someone else think has no hope! Good luck with yours. Carol

  7. Patricia
    08/04/2014 at 9:23 pm

    do you use the home made miracle grow after mixing in gallon jug straight on plants or do you mix just a llittle in another jug of water to weaken the mixture before putting n plants?

  8. Patricia
    08/04/2014 at 9:27 pm

    do you use the home made miracle grow after mixing in galjug straight on the plants or do you mix just a small amount of the homemade miracle grow to another jusg of water to weaken tstrength ofthe mixture before putting on plants? would putting the mixture on the plants burn if not mixed with more water?

    • admin
      08/04/2014 at 10:55 pm

      Hi Patricia.

      The mixture is diluted in water for the recipe, so it can be used straight but you would only use a small amount of it. About what you would use for any liquid fertilizer. Otherwise you could burn the plants.


  9. Grandma
    12/26/2014 at 11:52 am

    OK…The question was and is ” How much do you add to your plants”
    A little bit is not an answer.
    A tablespoon once a month for a 4″ pot is an answer…a tsp once a month for a 4″ pot is an answer….
    So can someone please answer the question.

    • admin
      12/26/2014 at 4:47 pm

      Dilute it 10 to 15 parts to water and use it as you water once a month is what I consider a little bit. For any home made recipe it is always good to dilute well and test with your own pots and soil, since all are different. If this formula is too weak then add more.


    • andrea
      01/10/2016 at 12:38 pm

      So it sounds like put 1 cup into 1 gallon of water, and use this mix once a month instead of straight water and then just water normally.
      I prefer mixing products 1/4 of the suggested strength and use weekly, after all we don’t eat 15lbs of vegetables once a month, we spread it throughout the month.

  10. Renee
    04/07/2015 at 9:16 am

    Can I use Peppermint Epsom Salt to make miracle grow? This is the product that I have on hand.

    • admin
      04/07/2015 at 10:36 am

      Hi Renee. I am not sure how the peppermint would affect the epsom salt and the recipe, since I have not tried it that way. I can’t imagine that it would be a problem but don’t know for sure.

  11. Michelle
    04/30/2015 at 5:21 pm

    Hi there!

    In the “DIY Miracle Grow” recipe, you say to add baking powder. Do you mean baking SODA?



    • admin
      04/30/2015 at 5:25 pm

      Hi Michelle. Oh my gosh. I can’t believe I didn’t notice this before. Thanks so much for alerting me. Yes, it is baking soda. I have fixed the article so that the recipe is correct now.
      Kind regards,

      • Michelle
        05/05/2015 at 11:04 am

        :) Thank you, Carol!

  12. 06/15/2015 at 1:15 pm

    Thank you for posting this formula! It’s a great reminder that commercially-manufactured products aren’t the only option. We’ve featured it in our recent blog post “10 {Easy} Eco-Friendly Backyard Projects”.

    Thanks again for the great information!

  13. growgirl
    07/05/2015 at 10:37 am

    A solution of 1 teaspoon baking soda to 1 gallon of water reduces instances of leaf burn. Add 1 teaspoon dormant oil and ½ teaspoon of dish soap or horticultural soap as a surfactant to help the mixture stick. Keep in mind the solution is water soluble, so apply on a dry cloudy day for best results.

    I’d steer clear of the ammonia… “diluted ammonia makes the soil more alkaline. However, over time, which can be as soon as several days, it’s converted to nitrate, making the soil more acid, which isn’t best for all plants and might create an environment in which plants have difficulty getting the nutrients they need. ”

    For mildew on squash and pumpkins I’ve had success with spraying diluted milk on them.

  14. MI Patriot
    07/07/2015 at 10:35 pm

    In reference to the fish tank water hint. I learned the hard way that you cannot use turtle tank water. We have a red eared slider and I got the brilliant idea to use her water for the plants. I used it on my pepper plants and within a couple of weeks, they were dead. I was utterly devastated. In hindsight, I think I probably should have really diluted it down good and then tried it, but live and learn. Now I just stick to my Epsom salt, egg shells, and coffee grounds.

    • admin
      07/07/2015 at 11:17 pm

      Thanks for this tip. It is always good to hear how these tips work for people. Carol

  15. Roopa
    07/29/2015 at 8:56 am

    I have Thai Basil and Holy Basil in containers planted in coconut soil.

    Can i use DIY miracle grow on coconut soil


    • admin
      07/29/2015 at 11:04 am

      Hello Roopa. I have never grown anything in coconut soil, so I do not know how the home made miracle grow will react with it. Carol

  16. karen anderson
    03/05/2016 at 3:20 am

    Thanks everybody . I’m new at this & i’m excited to try water, espsom salt & baking soda on my straw berries . We have a lot of clay in our soil . Hope this works . Thank you all ! Karen

  17. 03/21/2016 at 1:43 pm

    Don’t know about the ammonia combination, but the aquarium water is very definitely great for your plants!

  18. jerry
    04/27/2016 at 10:57 am

    How would this DIY recipe affect the taste of tomatoes? Would it change the taste and in what way?
    I love DIY ways at most everything that I do.

    I have planted seven different varieties of tomatoes this spring searching for the perfect,, tart, acidic, sour,
    NOT SWEET, tomatoes for basic homegrown tomato sandwiches.

    Most fertilizers, DIY or commercial seems to always tout more tomatoes, sweeter, bigger, prettier, etc etc.
    I don’t care about big and pretty this year, I just won’t a good tasting, tomato with a nice acidic sting to the tongue when bitten in to.

    I am now presently brewing up 100 gallons of locally gathered pasture ”cow manure” and brewing tea” in 55 gal plastic drums (plumbed together).

    How would mixing this DIY Miracle Grow in with my homebrew manure tea? of course with recipe adjusted for 100 gallons.

    • Carol
      04/27/2016 at 12:34 pm

      I am not sure how it would affect the taste of the tomatoes. The recipe is basically for those who don’t want to use the chemical product. Carol

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