First and for most I want to empahsize that worm castings can be used in any concentration and will not harm or burn your plant.  You can use worm castings on ANY type of vegetation.  The instructions provided below are only suggested uses.  We encourage you, the home gardener, to experiment with the castings and find out what works best for you and the vegetation you are using the castings on.

Directions for use:

Vegetables and Annual Flowers:

Line bottom and sides of plant holes or seed furrows with 1-2 inches of worm castings.  Position seeds or plants into hole and cover with soil.  During growing season, apply approximately 1/2 cup of castings around plant (or 1 cup per linear foot for rows) approximately every 2-3 months.

Perennials:

Place ½ cup castings on top of soil and mix in carefully, to prevent from damaging roots.  Apply castings in spring, early summer, and early Fall.

New potting mix for potted plants and seeds:

Mix 1 part castings to 3 parts potting soil.

Established containerized plants:

Place approximately 1-2 inches of casting on top of soil.  Carefully mix the castings into the soil taking care to not damage the plant roots.  Water.  Repeat approximately every 2-3 months.

Roses, Trees, Shrubs, Berries:

Mix 1 part worm castings to 3 parts potting soil.  Surround newly dug hole with this mix.  Spread roots over a mound of this mix in the hole and cover.

New Lawns:

Apply 10 lbs. of castings per 100 sq ft.  Gently work the casting into topsoil.  Mix in grass seed.  Water.

Established Lawns:

Spread 10 lbs. of castings per 100 sq ft.

Casting Tea:

Soak 1 part castings in 3 parts water for 12-24 hours.  Prior to use stir well and water as normal. 

Compost piles:

Spread a thin layer of castings between each new layer of compost material.