Give your plants the balanced nutrition they need to thrive with Jack's Classic All Purpose 20-20-20 Fertilizer. This professional-grade, water-soluble plant food delivers an equal blend of nitrogen, phosphorus, and potassium (NPK) to support vigorous growth, lush green foliage, strong root development, and abundant flowering across a wide variety of plants.
Perfect for indoor houseplants, vegetable gardens, flowers, shrubs, trees, containers, and lawns, this versatile fertilizer dissolves quickly and provides essential nutrients directly to your plants for fast, visible results. Whether you're maintaining healthy foliage or encouraging vigorous new growth, Jack's Classic 20-20-20 helps plants reach their full potential.
Why Gardeners Choose Jack's Classic 20-20-20
- Balanced 20-20-20 NPK formula promotes overall plant health and growth
- Water-soluble fertilizer mixes easily and feeds quickly
- Encourages lush green leaves and vigorous vegetative growth
- Contains essential micronutrients including iron, zinc, copper, and manganese
- Suitable for indoor plants, outdoor gardens, vegetables, flowers, shrubs, and turfgrass
- Professional-grade formula trusted by home gardeners and commercial growers alike
Complete Plant Nutrition
In addition to its balanced macronutrient profile, Jack's Classic All Purpose Fertilizer contains a comprehensive blend of micronutrients that help prevent common nutrient deficiencies and support healthier, more resilient plants throughout the growing season.
Application Instructions
Indoor Plants
Mix ½ teaspoon per gallon of water and apply every 1–2 weeks during active growth.
Outdoor Plants
Mix 1 tablespoon per gallon of water and apply every 1–2 weeks throughout the growing season.
For best results, apply directly to the root zone as a soil drench or use as a foliar spray for rapid nutrient absorption.
Ideal For
- Houseplants
- Vegetables
- Flower Gardens
- Annuals & Perennials
- Trees & Shrubs
- Container Gardens
- Turfgrass & Lawns
Pro Growing Tip
Many experienced gardeners alternate Jack's Classic All Purpose 20-20-20 with a bloom-focused fertilizer during flowering periods to support lush foliage while maximizing flower production and overall plant performance.