Jack's

Jack’s Nutrients® Soluble Powdered Fertilizers

Jack’s Nutrients by JR Peters delivers water‑soluble powdered fertilizers engineered for gardens and controlled‑environment crops. Built on more than 75 years of formulation expertise, Jack’s emphasizes clean inputs, rigorous testing, and cost‑efficient formulas that provide precise nutrient ratios tailored to water type and growth stage, without unnecessary complexity.

View as Grid List
Sort by
Jack’s Classic Orchid Bloom Booster 3-9-6 8 Oz

Jack’s Classic Orchid Bloom Booster 3-9-6 8 Oz

Q115882
Jack’s Classic Orchid 7-5-6 8 Oz

Jack’s Classic Orchid 7-5-6 8 Oz

Q115883
Jack's Classic Blossom Booster 10-30-20 4 Lb

Jack's Classic Blossom Booster 10-30-20 4 Lb

Q115886
Jacks Classic African Violet 12-36-14 8 Oz

Jacks Classic African Violet 12-36-14 8 Oz

Q115887
Jack's Classic Veggie Feed 12-15-30 1.5 Lb

Jack's Classic Veggie Feed 12-15-30 1.5 Lb

Q115888
Jack's Classic Tropical Food 16-5-25 1.5 Lb

Jack's Classic Tropical Food 16-5-25 1.5 Lb

Q115890
Jack's Classic Blossom Booster 10-30-20 8 Oz

Jack's Classic Blossom Booster 10-30-20 8 Oz

Q115884
Jack's Classic Acid Special 17-6-6 1.5 Lb

Jack's Classic Acid Special 17-6-6 1.5 Lb

Q115891
Jack's Classic Acid Special 17-6-6 4 Lb

Jack's Classic Acid Special 17-6-6 4 Lb

Q115892
Jack's Classic Blossom Booster 10-30-20 1.5 Lb

Jack's Classic Blossom Booster 10-30-20 1.5 Lb

Q115885
Jack's Classic All Purpose 20-20-20 8 Oz

Jack's Classic All Purpose 20-20-20 8 Oz

Q115893
Jack's Classic All Purpose 20-20-20 4 Lb

Jack's Classic All Purpose 20-20-20 4 Lb

Q115895
Jack's Classic Houseplant Special 15-30-15 8 Oz

Jack's Classic Houseplant Special 15-30-15 8 Oz

Q115889
Jack's Classic Citrus Feed 20-10-20 1.5 Lb

Jack's Classic Citrus Feed 20-10-20 1.5 Lb

Q115896
Jack's Classic All Purpose 20-20-20 1.5 Lb

Jack's Classic All Purpose 20-20-20 1.5 Lb

Q115894
Jack's Classic Petunia Feed 20-6-22 1.5 Lb

Jack's Classic Petunia Feed 20-6-22 1.5 Lb

Q115897
Jack's Classic Petunia Feed 20-6-22 4 Lb

Jack's Classic Petunia Feed 20-6-22 4 Lb

Q115898
Jack's Classic Orchid Special 30-10-10 8 Oz

Jack's Classic Orchid Special 30-10-10 8 Oz

Q115899
Jack's Classicote W/crystal Green Timerelease 2 Lb

Jack's Classicote W/crystal Green Timerelease 2 Lb

Q115900
Jack's Classic Hydrangea Blue 7-3-3 1.5 Lb

Jack's Classic Hydrangea Blue 7-3-3 1.5 Lb

Q115901
Jack's Pro Blossom Booster 10-30-20 25 Lb Can

Jack's Pro Blossom Booster 10-30-20 25 Lb Can

Q115904
Jack's Pro General Purpose 20-20-20 25 Lb

Jack's Pro General Purpose 20-20-20 25 Lb

Q115902
Jack's Pro Blossom Booster 10-30-20 25 Lb

Jack's Pro Blossom Booster 10-30-20 25 Lb

Q115903
Jack's Nutrients 5-50-18 Ultraviolet 25 Lb

Jack's Nutrients 5-50-18 Ultraviolet 25 Lb

Q115906
Jack's Pro Petunia Feed 20-3-19 25 Lb

Jack's Pro Petunia Feed 20-3-19 25 Lb

Q115905
Jack's Nutrients 7-15-30 Finish 25 Lb

Jack's Nutrients 7-15-30 Finish 25 Lb

Q115907
Jack's Nutrients 7-15-30 Finish 1 Kg

Jack's Nutrients 7-15-30 Finish 1 Kg

Q115908
Jack's Nutrients 5-12-26 Part A 25 Lb

Jack's Nutrients 5-12-26 Part A 25 Lb

Q115909
Jack's Nutrients 5-12-26 Part A 1 Kg

Jack's Nutrients 5-12-26 Part A 1 Kg

Q115910
Jack's Nutrients 15-5-20 Tap 25 Lb

Jack's Nutrients 15-5-20 Tap 25 Lb

Q115912
Refine
×
Category
Manufacturer
Popular tags
View all