JACKS CLASSIC - ACID SPECIAL - 17-6-6
Best nutrient solution for gardeners growing acid-loving plants.
Nourish your acid-loving plants with Jack's Classic Acid Special fertilizer. This 17-6-6 NPK formula is expertly crafted to enhance vibrant green growth in plants like azaleas, camellias, and rhododendrons. It provides essential micronutrients for overall plant health and vigor, helping to acidify the soil environment for optimal growth. Conveniently packaged in a 1.5lb plastic tub with a water-resistant label, it's easy to store and use in your garden or for houseplants.
$16.99
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-72%
Below average
Nitrogen Percentage
17
/ %
Who it's for
- Users wanting quick, mess-free mixing for irrigation systems
- Gardeners growing acid-loving plants like azaleas or blueberries
- Plant owners seeking balanced, comprehensive vegetative nutrition
Who should skip it
- Owners of plants requiring neutral or alkaline soil conditions
- Beginners prone to over-fertilizing delicate indoor or outdoor plants
- Budget-conscious shoppers looking for basic, general-purpose plant food
Performance breakdown
Nutrient Solubility
Water-soluble powder dissolves rapidly for immediate root zone absorption.
Acidification Efficacy
Specifically formulated to lower soil pH for thriving acid-loving species.
Foliage Greening
High nitrogen content effectively corrects chlorosis in sensitive ornamental plants.
Packaging Durability
Water-resistant tub protects the powder from clumping in humid environments.
Application Versatility
Works seamlessly for both container houseplants and outdoor garden beds.
Nutrient Availability
Quick-release mineral formula provides a rapid boost to struggling plants.
Key Specs
Nitrogen Percentage
17%
Phosphorus Percentage
6%
Potassium Percentage
6%
Package Weight
1.5lb
Fertilizer Form
Water Soluble Powder
Release Type
Quick Release
Fertilizer Source
Mineral Based
Water Soluble
True
Features
- Greens up acid-loving plants
- Provides essential micronutrients
- Supports vibrant growth
- Water-soluble powder formula
- Quick release nutrients
- Durable, water-resistant packaging
What customers say
The Jacks Classic Acid Special earns high marks for its reliable quality and exceptional ease of use. Customers consistently report seeing significant, rapid improvements in acid loving plants, effectively correcting common issues like chlorosis and promoting vibrant foliage. The product's superior solubility is a frequent point of praise, ensuring simple, residue free mixing and application. This combination of proven effectiveness and user friendly design makes it a trusted staple for specialized gardening needs.
Know before you buy
This formula is specifically designed for acid-loving plants that thrive in lower pH soil, such as azaleas, camellias, rhododendrons, gardenias, and hydrangeas.
You should dissolve the powder in water according to the instructions on the label and apply it as a liquid feed to the soil around the base of your plants. Because it is water-soluble, it allows for quick nutrient uptake by the roots.
Yes, this formula is specifically crafted to help acidify the soil environment, which is essential for the health and nutrient absorption of acid-loving plant varieties.
No, this is a mineral-based, quick-release fertilizer and is not certified organic.
Because this is a quick-release formula, your plants can absorb the nutrients almost immediately after application. You should notice improved leaf color and growth vigor relatively soon after the first few feedings.
Yes, this fertilizer is suitable for both indoor and outdoor acid-loving plants, provided they are species that require acidic soil conditions.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$17