Why Wiggle Worm Soil Builder™

Wiggle Worm Soil Builder™ Earthworm Castings are an excellent all natural plant food that come to you directly from Mother Nature in their purest form. For millions of years, the incredible earthworm has been one of nature’s greatest producers of readily available plant food. When used in greater concentrations than found in nature, this non-burning, long lasting organic fertilizer can provide remarkable benefits such as:

  • Vigorous Plant Growth
  • Fibrous Root System
  • Improved Aeration of Soil

Earthworm Castings Organic Fertilizer 1 – 0 – 0

Guaranteed Analysis
Total Nitrogen (N) 1%
0.1% Water Soluble Nitrogen
0.9% Water Insoluble Nitrogen Download Directions Here
Calcium (Ca) 1%
Iron (Fe) 0.2%
Source: Earthworm Castings


Vegetables and Annual Flowers

Line bottom and sides of plant holes and seed furrows with 1″-2″ of Wiggle Worm Soil Builder™ Earthworm castings. Set seeds or plants in place and cover 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.

Transplant: Place 1/2 handful into hole. Add plant and fill hole with soil.
Established: Use 10-20lbs per 1,000 sq.ft. Sprinkle on soil near plant and water.


Work 1/2 cup Wiggle Worm Soil Builder™ Earthworm castings into the soil above their root zone taking care not to damage shallow roots. Apply in spring, early summer and early fall. See bleow if applying as a tea mixture.

Potted Plants and Seeds/Seed Flats – New

Potting mix-use 1 part Wiggle Worm Soil Builder™ Earthworm castings to 4 parts soil. Established – Add 1″ of Wiggle Worm Soil Builder™ Earthworm castings to top of soil. Mix in taking care not to damage shallow roots – water – repeat every 2-3 months. See below if applying as a tea mixture.

Roses, Trees, Shrubs and Berries – New or freshly transplanted

Mix 1 part Wiggle Worm Soil Builder™ Earthworm castings to 3 parts soil. Surround newly dug hole with mixture. Established: Use 2lbs per inch of tree trunk diameter. Spread evenly over tree root area and water. See below if applying as a tea mixture.

Lawns – New

Apply 20-30 lbs. per 1000 sq. ft. Work lightly into the topsoil. Mix in grass seed and water well. Established: Distribute 15-20lbs per 1000 sq. ft. as a top dressing. Add 2-3 times per year.

Worm Casting Tea

Soak 1 part castings in 3 parts water for 12-24 hours. Stir well and water as usual. Casting tea is excellent for fruiting, flowering or difficult to access potted plants. Aerate if possible. Best when used within 24 hours.

Compost Piles

Spread a thin layer of Wiggle Worm Soil Builder™ Earthworm castings between each new layer of material to be composted.

We Stand by Our Product

Unco Industries guarantees your satisfaction unconditionally. If for any reason you are not completely satisfied with the results provided by Wiggle Worm Soil Builder™, just write us a short note as to why and send it along with the remaining unused product. Include your full name and address, name and location of store where purchased, proof of purchase label from bag and dated cash register receipt. Send To: Unco Industries, 1577 11th Avenue, Union Grove, WI 53182. Important: Failure to enclose all of the above items will result in denial of your request. Limit 2 proofs of purchase to any individual, family or address. Void where prohibited or restricted by law. Allow 6-8 weeks for delivery.