Jacks Classic All 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.
- For use on all indoor and outdoor plants: bedding and container plants, trees and shrubs, vegetables, fruits and turf.
- Free measuring spoon enclosed for easy and precise application
- Features the highest safety factor to prevent burning when applied as directed
- Blended with an enhanced micronutrient package which provides optimal nutrition for strong roots and green foliage
- Releases nutrients gradually for up to 4 months of vigorous growth.