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Thread: Making Your Own Seed Starting Mix - A Recipe and Method

  1. #1
    Join Date
    Aug 2001
    Location
    Zone 9a - Gulf Coast
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    Making Your Own Seed Starting Mix - A Recipe and Method

    One of the questions that I get asked frequently is what soil do I use for start my seedlings. I primarily use two different recipes with the same method for both.

    For very tiny seed, especially those that require light for germination, I use 1 part peat moss to 1 part vermiculite. For larger seeds, I use 1 part peat moss, 1 part vermiculite and 1 part perlite.

    Everyone who has purchased one of those large cube type bags of peat moss knows how it lumps up and is difficult to break apart. This is what I do:


    Method I - Small Seeds

    Step 1. Fill a 5 gallon bucket about 1/3 full of peat moss. Heat some water in a kettle until it boils.

    Step 2. Pour the boiling water over the peat moss and let it stand for a few minutes. This will smell and be dusty, so it is best to do it outside. Using a long handled and heavy utensil, stir the mixture until most of the water is absorbed.

    Step 3. Repeat step 2 until the peat moss no longer has lumps.

    Step 4. Add vermiculite until the bucket is 2/3 full. It is best to wear a dust mask to prevent inhaling the vermiculite.

    Step 5. Stir the vermiculite into the wet peat moss and you should come up with a light, fluffy mixture.


    Method II - Large Seeds

    Step 1. Fill a 5 gallon bucket about 1/4 full of peat moss. Heat some water in a kettle until it boils.

    Step 2. Pour the boiling water over the peat moss and let it stand for a few minutes. This will smell and be dusty, so it is best to do it outside. Using a long handled and heavy utensil, stir the mixture until most of the water is absorbed.

    Step 3. Repeat step 2 until the peat moss no longer has lumps.

    Step 4. Add vermiculite until the bucket is 1/2 full. It is best to wear a dust mask to prevent inhaling the vermiculite.

    Step 5. Stir the vermiculite into the wet peat moss and you should come up with a light, fluffy mixture.

    Step 6. Add perlite until the bucket is 3/4 full. Keep wearing your dust mask.

    Step 7. Stir the perlite into the fluffy mixture until the perlite is evenly dispersed.

    Hope that helps!
    Ann B.
    Zone 9a
    Gulf Coast


  2. #2

    Good info!

    Thanks for the info!
    I have a cube of peat we bought a couple weeks ago. The stuff IS clumpy. I will have to try the hot water method!
    Good Tip!
    Kathy in Ga

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