Give your plants complete, balanced nutrition with Jack's Professional 20-20-20 General Purpose Fertilizer. This professional-grade, water-soluble fertilizer has been trusted by commercial growers, greenhouse operators, landscapers, and home gardeners for decades to support vigorous growth, lush green foliage, healthy roots, and outstanding overall plant performance.
Featuring an equal balance of nitrogen, phosphorus, and potassium, along with a comprehensive package of chelated micronutrients, Jack's Professional 20-20-20 delivers complete nutrition for a wide variety of plants. Whether you're growing vegetables, flowers, houseplants, ornamentals, container gardens, or greenhouse crops, this versatile formula provides the nutrients plants need to thrive from seedling to maturity.
Its highly soluble formulation mixes easily with water and can be used as a root drench, foliar spray, hydroponic nutrient solution, or continuous liquid feed, making it one of the most flexible fertilizers available for both hobby and professional growers.
Why Growers Choose Jack's Professional 20-20-20
- Balanced 20-20-20 NPK formula for complete plant nutrition
- Promotes vigorous vegetative growth and strong root development
- Encourages deep green foliage and vibrant plant color
- Contains a full spectrum of chelated micronutrients
- Fully water-soluble for quick nutrient absorption
- Suitable for soil, soilless media, and hydroponic systems
- Can be applied as a foliar spray or root feeding solution
- Professional-grade formula trusted by commercial growers
- Ideal for flowers, vegetables, herbs, houseplants, and landscape plants
Complete Nutrition for Every Stage of Growth
Jack's Professional 20-20-20 provides a balanced blend of the three primary nutrients required for healthy plant development.
Nitrogen (20%)
Supports vigorous vegetative growth, lush foliage, chlorophyll production, and rich green color.
Phosphorus (20%)
Promotes strong root development, energy transfer, nutrient uptake, and overall plant vigor.
Potassium (20%)
Enhances plant strength, water regulation, stress resistance, flowering performance, and crop quality.
Together, these nutrients create a complete feeding program suitable for a wide range of growing applications.
Enhanced with Chelated Micronutrients
Beyond NPK, plants require trace elements to achieve their full potential. Jack's Professional 20-20-20 contains a robust package of chelated micronutrients that remain readily available for plant uptake.
These essential nutrients help support:
- Healthy root development
- Strong stem growth
- Chlorophyll production
- Improved nutrient absorption
- Disease resistance
- Overall plant health and vitality
Fast-Acting Formula for Rapid Results
The carefully selected nitrogen sources in Jack's Professional 20-20-20 help promote rapid green-up and vigorous leaf expansion. Plants quickly absorb nutrients through both roots and foliage, delivering visible results in a short period of time.
This makes it an excellent choice for correcting nutrient deficiencies, revitalizing stressed plants, and maintaining healthy growth throughout the season.
Ideal For
Indoor Plants
- Houseplants
- Tropical Plants
- Foliage Plants
- Indoor Containers
Outdoor Gardens
- Vegetables
- Herbs
- Annual Flowers
- Perennial Beds
- Raised Garden Beds
Professional Growing Applications
- Greenhouse Production
- Nursery Operations
- Hydroponic Systems
- Fertigation Programs
- Commercial Landscaping
Landscape & Container Plants
- Trees
- Shrubs
- Hanging Baskets
- Patio Containers
- Ornamental Plantings
Multiple Application Methods
Root Feeding
Apply directly to the root zone for sustained nutrient uptake and long-term plant health.
Foliar Spray
Spray directly onto plant foliage for rapid nutrient absorption and quick correction of deficiencies.
Hydroponic Systems
Suitable for continuous liquid feeding and hydroponic nutrient programs where clean solubility and consistent nutrient delivery are essential.
Perfect for Soil, Soilless & Hydroponic Growing
Unlike many fertilizers that are limited to specific growing methods, Jack's Professional 20-20-20 performs exceptionally well across:
- Soil Gardens
- Raised Beds
- Coco Coir
- Peat-Based Mixes
- Soilless Media
- Hydroponic Systems
- Greenhouse Operations
Its residue-free solubility helps maintain clean irrigation systems and reliable nutrient delivery.
Trusted by Professionals for Decades
Jack's Professional fertilizers have earned a reputation for consistency, quality, and results. The 20-20-20 General Purpose Formula remains one of the most widely used fertilizers in commercial growing because of its flexibility, reliability, and ability to support healthy plant growth across countless crop types.
Pro Growing Tip
Jack's Professional 20-20-20 is an excellent choice during active vegetative growth and general maintenance feeding. Many growers use it as their primary all-purpose fertilizer before transitioning to bloom-focused formulas during flowering and fruiting stages.
