Specialty Plant Food

Royal Roots 15-15-15 Complex Fertilizer

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Size 1.5 lb 5 lb

Quantity

Crop: All types
Stage: Pre-planting / Early growth
Composition: Nitrogen 15%, Phosphorus 15%, Potassium 15%

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The Royal Roots 15-15-15 Formula

15-15-15 fertilizer is an all-purpose fertilizer suitable for a wide range of flowers, plants, shrubs, and trees. With its balanced nutrient content, it supports healthy root development, vibrant foliage, and overall plant growth.

Starter Fertilizer

Ideal as a starter fertilizer, it provides essential nutrients during the critical establishment phase, making it perfect for use in the first six months after planting. Whether you're cultivating a garden, maintaining ornamental plants, or growing young trees, 15-15-15 delivers reliable, steady nutrition to help plants thrive.

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

1

Sprinkle the measured amount of fertilizer into the soil surface. Ensure the pellets are uniformly distributed around the base of the plant.

2

Cover the pellets with a thin layer of soil.

3

During Planting: water the area to help dissolve the granules, this ensures that the nutrients reach the root zone.

4

New Plants & Seedlings: water daily or every other day to keep the soil consistently moist until the plants are established.

5

Established Plants: water 1-2 times per week, following the recommended fertilizer application frequency.

Guaranteed Analysis

The Royal Roots 15-15-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) 15.0%
11.3% Ammoniacal Nitrogen
3.7% Urea Nitrogen

Available Phosphate (P2O5) 15.0%

Soluble Potash (K2O) 15.0%

Sulfur (S) 6.0%
6.0% Combined Sulfur

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.