Jack’s® Classic All Purpose
$19.99
Available for Local DeliveryAll Purpose 20-20-20 is considered the industry standard of general purpose fertilizers by professional growers. It feeds both through the roots and the leaves. This formula of nitrogen, phosphorus and potassium provides fast green-up and rapid leaf expansion. Recommended for use on all your indoor and outdoor plants. Indoors it is especially effective on foliage plants, keeping leaves green. A proven performer in the vegetable garden for generations, this product may be used in combination with Jack’s Classic Blossom Booster giving your plants greener leaves, more flowers and brighter colors. Use for all indoor and outdoor plants: bedding and container plants, trees and shrubs, vegetables, fruits and turf.
1 Each. 1.5 pounds
Frequently Asked Questions
Jack’s Classic All Purpose 20-20-20 is a water-soluble fertilizer designed to feed a wide variety of indoor and outdoor plants. Its balanced formula supports green foliage, healthy plant growth, and overall plant vigor.
The numbers 20-20-20 represent the percentages of nitrogen, phosphorus, and potassium in the fertilizer. Because all three numbers are equal, Jack’s Classic All Purpose provides balanced nutrition for general plant growth.
Jack’s Classic All Purpose can be used on indoor and outdoor plants, including houseplants, bedding plants, container plants, trees, shrubs, vegetables, fruits, and turf.
Yes. Jack’s Classic All Purpose is recommended for indoor plants and is especially effective for foliage plants, helping support green leaves and healthy growth.
Yes. Jack’s Classic All Purpose 20-20-20 can be used on both bedding and container plants. Regular feeding can be particularly beneficial for container plants because nutrients are gradually used by the plant and can be lost through watering.
Jack’s Classic All Purpose 20-20-20 provides balanced nutrition for overall plant growth and green foliage. Jack’s Classic Blossom Booster has a different nutrient ratio designed specifically to support flowering. Calloway’s notes that the two products can be used in combination to promote greener leaves, more flowers, and brighter color.