What is 20-20-20 All Purpose Fertilizer?

GS Plant Foods 20-20-20 All Purpose Fertilizer is a simple way to promote lush, vibrant growth throughout your entire garden. This perfectly balanced, water-soluble formula delivers equal parts Nitrogen (20%), Phosphorus (20%), and Potassium (20%)—combined with organic kelp and essential micronutrients—to support vigorous foliage, strong root systems, and abundant blooms. Ideal for vegetables, lawns, houseplants, and shrubs, our 20-20-20 fertilizer gives plants a fast nutrient boost and supports long-term plant health. 🌱

If your plants are stressed, nutrient-deficient, or struggling, GS Plant Foods Superfection Emergency First Aid for Plants is your go-to fast-acting solution for quick recovery and sustained vitality.

Key Benefits

🌱 Balanced Nutrition: Our 20-20-20 plant food offers a perfectly balanced NPK ratio, ensuring comprehensive nourishment for all plant types and growth stages.

💧 Fast Absorption: The 100% water-soluble formula feeds plants efficiently through roots and leaves, delivering rapid, visible improvements.

🌿 Organic Kelp Boost: Rich in micronutrients, organic kelp enhances root development, nutrient uptake, and stress resistance.

🌸 Vibrant Growth: This 20-20-20 fertilizer promotes greener turf, more prolific flowering, and higher garden yields.

🧪 What's Inside: Nitrogen, phosphorus and potassium come from fully water-soluble mineral salts (ammonium sulfate, urea, monoammonium phosphate and potassium sulfate), with organic kelp added. Use it on indoor and outdoor plants as directed.

Ingredient Breakdown

• Nitrogen (20%): Encourages lush, green foliage growth.

• Phosphorus (20%): Strengthens roots and supports flowering and fruit production.

• Potassium (20%): Boosts drought tolerance and overall plant resilience.

• Organic Kelp Extract: Packed with micronutrients and enzymes to enrich soil and promote root vitality.

• Chelated Micronutrients: Includes iron, zinc, and manganese for optimal plant metabolic functions.

How to Use

Simple Mix & Grow:

• Outdoor Plants/Gardens: Mix 1 tablespoon per gallon of water and soak root zones once a month.
• Lawns: Dilute 1 ounce per gallon to cover 100 sq ft. (A 3 lb bag treats up to 4,800 sq ft!)
• Indoor Plants: Add ¼ teaspoon per gallon with every watering.

Pro Tip: Apply GS Plant Foods 20-20-20 fertilizer during spring and summer for peak growing seasons and maximum results!

Frequently Asked Questions (FAQ)

What plants can I use 20-20-20 All Purpose Fertilizer on?

This balanced fertilizer is perfect for vegetables, flowers, lawns, houseplants, and shrubs, providing complete nutrition at all stages of growth.

How often should I apply this fertilizer?

For outdoor plants, apply once a month. For lawns, every 3–4 weeks depending on grass condition. For indoor plants, use with every watering in a diluted form.

Is 20-20-20 an organic fertilizer?

No. Its nitrogen, phosphorus and potassium come from mineral salts, so it is not approved for certified organic production. The kelp extract in it is organic. If you garden organically, choose one of our OMRI-listed products such as Organic Liquid Humic Acid.

Can I use this fertilizer during flowering?

Absolutely. 20-20-20 provides the essential nutrients needed for strong roots and abundant blooms.

How should I store 20-20-20 fertilizer?

Keep in a cool, dry place away from direct sunlight to maintain its effectiveness.