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Specialty Plant Food

Royal Roots 18-6-12 Complex Fertilizer

Royal Roots 18-6-12 Complex Fertilizer

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Size

Crop: All types
Stage: Early to mid-growth / Vegetative
Composition: Nitrogen 18%, Phosphorus 6%, Potassium 12%

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The Royal Roots 18-6-12 Formula

18-6-12 fertilizer is an all-purpose fertilizer ideal for supporting the ongoing health and growth of a variety of flowers, plants, shrubs, and trees. With its higher nitrogen content, it encourages lush foliage and robust plant development, while the balanced phosphorus and potassium levels promote overall resilience.

Maintenance Fertilizer

Ideal as a maintenance fertilizer, it provides sustained nutrition to established plants during their active growing seasons. Whether maintaining ornamental gardens, vegetables, or trees, 18-6-12 delivers consistent results.

Planting Instructions

  • Lettuce, Spinach, Kale, Cabbage

    During planting: Incorporate 3 tablespoons per 5 square feet into the soil
    After planting: Every 4 weeks, apply 2 tablespoons per 5 square feet

    Discover more leafy greens 
  • Carrots, Beets, Radishes, Potatoes, Onions

    During planting: Incorporate 3 tablespoons per 5 square feet into the soil
    After planting: Every 4 weeks, apply 2 tablespoons per 5 square feet

    Learn more about root vegatables 
  • Tomatoes, Peppers, Cucumbers

    During planting: Incorporate 3 tablespoons per 5 square feet into the soil
    After planting: When plants begin to set fruit, apply 2 tablespoons per 5 square feet. Re-apply every 4 weeks

    Discover more fruit-bearing vegatables 
  • Beans & Peas

    During planting: Incorporate 2 tablespoons per 5 square feet into the soil
    After planting: When plants begin to flower, apply 2 tablespoons per 5 square feet. Re-apply every 4 weeks

    Learn more about beans & peas 
  • Apple, Pear, Azalea, Rhododendron

    During planting: Apply 1 cup (16 tablespoons) per tree / shrub, spread evenly around the base
    After planting: Every 4 weeks, apply 1/2 cup (8 tablespoons) per inch of trunk diameter

    Discover more trees & shrubs 
  • Peace Lily, Orchid, Snake Plant, Spider Plant

    During plating: Apply 1.5 tablespoons per gallon of soil
    After planting: Every 4 weeks, apply 1.5 tablespoon per gallon of soil

    Learn more about potted plants and flowers 
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Application Tips

Guaranteed Analysis

The Royal Roots 18-6-12 Formula

The NPK ratio refers to the three essential nutrients in fertilizers: Nitrogen (N) promotes leaf and stem growth, Phosphorus (P) supports root and flower development, and Potassium (K) enhances plant health, stress tolerance, and disease resistance.

Tech Specs

Total Nitrogen (N) 18.0%
8.8% Ammoniacal Nitrogen
9.2% Urea Nitrogen

Available Phosphate (P2O5) 6.0%

Soluble Potash (K2O) 12.0%

Sulfur (S) 10.0%
10.0% Combined Sulfur

Derived from: Urea, Ammonium Sulfate, Simple Superphosphate, Diammonium Phosphate, Potassium Chloride.

Safety Precautions

Follow all label instructions and recommended rates to avoid over-fertilization.
Store fertilizers in a dry, cool place away from children and pets.