Introduction

When it comes to building rich, living soil, few amendments are as universally trusted — or as versatile — as worm castings. Royal Gold Worm Castings provide gardeners with a clean, premium, biologically active resource that boosts soil fertility, supports root development, and enhances plant resilience.

Whether you’re growing houseplants, vegetables, flowering ornamentals, shrubs, trees, or lawns, worm castings are a simple, organic way to nourish your soil, strengthen plant vigor, and improve overall productivity.

What Are Royal Gold Worm Castings?

Royal Gold Worm Castings are simply that — fresh, dark, nutrient-rich worm castings and nothing else.
No fillers, composts, or additives.

These castings add organic matter, beneficial microorganisms, and immediately available nutrients that improve soil structure, moisture retention, and nutrient cycling.

They blend effortlessly into potting media, garden beds, and compost, or can be applied on the surface for slow-release benefits.

Premium Ingredients

Only one ingredient:

• 100% Worm Castings
  

No blends. No shortcuts. Pure living soil amendment.

Why Gardeners Love Worm Castings

Highly Biologically Active

Worm castings are loaded with beneficial microbes that:

• Support nutrient availability
• Improve soil structure
• Increase microbial diversity
• Reduce risk of nutrient leaching

This encourages a thriving soil ecosystem that feeds plants naturally.

Enhances Soil Structure

Castings improve:

• Moisture retention
• Soil aeration
• Crumb structure
• Drainage

This makes them ideal for sandy, clay, or compacted soils.

Versatile + Easy to Use

Worm castings work in nearly every gardening context:

• Potting soil blending
• Topdressing
• Raised beds
• In-ground planting
• Compost tea brewing
• Lawn care

Their fine texture makes them easy to spread and incorporate.

Gentle + Non-Burning

Because nutrients are slow-release and microbially processed, worm castings:

• Won’t burn seedlings
• Can be used generously
• Work for all growth stages

Perfect for beginners + advanced gardeners.

Where Worm Castings Excel

  Houseplants (new + established)
 Vegetable + flower gardens
 Trees + shrubs
 Seedlings + propagation
 Raised beds + in-ground gardens
 Lawn establishment + feedings
 Compost tea brewing
 Compost acceleration

If you grow it — castings help it.

How to Use Royal Gold Worm Castings

Indoor / Container Plants — New

• Mix 1 part castings to 5 parts media
  
• For more moisture retention: 1 part castings to 3 parts media
  

Indoor / Container Plants — Existing

• Topdress with up to 1 inch of castings
• Scratch lightly into the surface when possible
• Apply every 2–3 months
  

New Outdoor Plants

• Vegetables + flowers:
  — Add 1 inch of castings into planting hole or furrow
• Perennials, shrubs, trees:
  — Add 1 cup into the planting hole
• Large plants:
  — Add up to 5 cups
  

Existing Outdoor Plants

• Trees + shrubs:
  — Apply up to 1 cubic foot (~30 lbs.) around the base
• Vegetables + flowers:
  — Add 1 cup per foot of row
  
• Reapply every 1–2 months
  

Lawns

• Spread 1 cubic foot per 1,000 sq ft
  
• Apply at start of growing season
• Reapply monthly as needed
  

Compost Tea + Extract

Extract (simple)

• Add 2 cups castings / 5 gallons water
  
• Steep 24 hours
  
• Stir occasionally
• Use within 24 hours
  

Aerated Tea — Preferred

• Add 2 cups castings to a compost tea bag
• Aerate in 5 gal water for up to 36 hours
  
• Works with most biological inoculants + sugar sources
• Can be added to existing tea recipes

For either form:

• Apply every other week or as needed
• Remaining solids can be added to soil or compost