Orchids need high nitrogen & special micronutrient formula when potted in porous fibres, fir bark & rock. Orchid Special formula focuses on vegetative growth stage & assures the plant’s requirements for nitrogen are met as new leaves develop & mature.

Jack's Citrus FeED 20-10-20 is designed to provide the optimum combination of nutrients needed by plants in the citrus group. The enhanced micronutrient levels will help produce vibrant green leaves, strong branches & more fruit.

Jacks Classic Houseplant Special 15-30-15 is an indoor houseplant fertilizer designed for use on all foliage & flowering plants. It keeps indoor plants vigorous & green.

Jack's All Purpose 20-20-20 is a balanced formula. It can be used in a variety of growing material, in almost any stage of plant growth, as a constant or periodic liquid feed, alternating with water to provide the plant with a boost of balanced nutrition.

All Purpose 20-20-20 is considered the industry standard of general purpose fertilizers by professional growers. It feeds both through the roots & the leaves.