Convenient garden sized containers available.
ISP plant food offers high quality ingredients that are microbial-friendly and loaded with trace minerals that plants like, with the added advantage of increasing the falvor and storage life of your produce. It also contains vitamins, enzymes, peptides and sugars that boost the plant’s immune system and helps it handle weather stress and insect pressures.
ISP 15-30-15 is an all-purpose formula that can be used as a foliar or drench application on all vegetables. This formulation includes a very strong trace mineral package. ISP 15-30-15 promotes a balance of fruiting and vegetation.
ISP 10-20-20 is a fruiting formula that can be used as a foliar or drench application on all vegetables to promote more fruiting without runaway vegetation. This formulation includes a very strong trace mineral package that steers plants towards increased fruiting.
ISP 4-18-38 is made to support tomato plants loaded with fruit. It works best when used as a drench application to promote more fruiting without runaway vegetation. This formulation includes a ery strong trace mineral package that provides increased nutrients to help manage stress and promote increased fruiting. Apply weekly once plants are loaded with fruit.
ISP 17-4-17 is made to supply the nutritional needs of flowers planted in a soil-less potting medium. It can be added to the water every time you gie them water all season long.
ISP Plant Food Concentrate also comes in 50 lb. buckets.