Directions for Using Castings
Directions for Casting Tea
Directions for Using Earthworm Castings/ Vermicompost
Directions: Earthworm Castings/Vermicompost

  • Potted Plants and Seeds/Seed Flats-New - Potting mix-use 1
    part earthworm castings to 3 parts soil. Or can use up to 100%
    castings with good results but lower concentrations are very
    effective

  • Potted Plants - Add 1-2 inches of Earthworm castings to top of
    soil. Mix in taking care not to damage shallow roots - water -
    repeat every 2-3 months.

  • Vegetables and Annual Flowers –  Line furrows and plant holes
    with 2”  of earthworm castings. Before placing seeds and plants
    then cover seeds and plant roots with soil. Side dress during
    growing seasons at a rate of 1/2 cup per plant or 1 cup per
    linear foot of row once every 2 months.

  • Larger growers -  use 60 - 100 lbs per 100ft row. 7 to 15 tons
    per acre. Generally vegetable plants need only one application
    per growing season

  • Roses, Trees, Shrubs and Berries  - When planting mix 1 part
    earthworm castings to 3 parts soil. Surround newly dug hole
    with mixture. Spread roots over a mound of the mix in the hole
    and cover.

  • Roses - Established - Mix 4 cups of earthworm castings into soil
    2-3 inches below the surface for each plant.

  • Lawns - New - Apply 10 lbs. per 100 sq. ft. into the topsoil. Mix
    in grass seed and water well.

  • Lawns - Established - Top dress 10 lbs. per 100 sq. ft.

  • Trees (fruit, citrus, nut, ornamental) - Apply  by topdressing
    from the trunk to the edge of the drip line. With established
    trees top dress with 5 lb. castings per 1-inch diameter of the
    tree two to three times a year. It is important to get the worm
    castings applied during the spring blossoming period.


  • Compost Piles - Spread a thin layer of earthworm castings
    between each new layer of material to be composted

  Brewing Earthworm Casting Tea


  • Do Not Use chlorinated water. You can
    remove the chlorine by aerating with the
    aquarium air pump and air stone. Aerate
    the water for 12  hours before putting in
    the castings.

  • It is best to make the tea when the
    weather is relatively warm 60 degrees or
    more. In colder weather brew tea longer.

  • Put 3 lbs of castings in 5 gallons of water

  • Add 1 cup of de-sulfured  molasses
    (available at Publix). Mix it in the water. If
    you heat the cup of molasses in the
    microwave for about 20 seconds it will
    make it much easier to mix into the tea.

  • The molasses is necessary to keep the
    beneficial microbes alive until the tea is
    sprayed out on the soil where the
    microbes can live.

  • Put an aquarium aerator and an air
    stone in the 5 gallons with the castings
    and molasses and aerate the water for
    24 hrs. Also stir 3 or 4 times during the
    24 hrs could be helpful

  • You will need to screen out the casting
    residue so it doesn’t clog sprayers. The
    residue can be screened out by pouring
    the tea through cloth such as an old T
    shirt or use several paint strainers.

  • The 5 gallons can now be added to 25
    gallons to equal 30 gallons for spraying
    if necessary aerate any water used to
    get rid of chlorine. You need to make
    sure this is thoroughly mixed.

  • Use the casting tea ASAP definitely
    within 4 - 5 hours as the microbes start
    dying from lack of food and oxygen.

  • You can not use too much casting tea it
    will not hurt any plants. Probably
    spraying until plants are wet and do it
    once a month would be effective. You
    may find you can spray less often. and
    after brewing the tea screen out the
    casting residue before pouring the tea
    into the sprayer.
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