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Gro-Power Inc. has been manufacturing Humus based fertilizer/soil conditioner products since 1966. All of our basic products contain true plant-based (below fibrous stage) Humus Humic Acids and benficial soil bacteria. Gro-Power is designed to increase the soils fertility by adding high quality organic matter (Humus) and beneficial soil micro-organisms back into the soil. Gro-Power products are odor free environmentally safe and free of waste products such as animal waste poultry litter sewage sludge or toxic mine tailings. All products contain non-staining Iron Manganese Zinc.
1331 W Houston Ave Gilbert, CA 85297 909-393-3744 Fax: 909-393-2773 gropower.com
Products From Huma Inc
Gro-Power
Gro-Power Tomato 'n' Vegetable
Gro-Power Toss 'n' Gro™
Gro-Power Premium Azalea, Camellia, Rhododendron Food
Gro-Power Premium Rose Food
Gro-Power Palm & Tropical Fertilizer
Gro-Power Premium Citrus & Avocado Food
Gro-Power Liquid
Gro-Power Planting Tablets
Gro-Power Premium Green Iron
Gro-Power Plus
GroLife®
Flower ‘N' Bloom® 3-12-12
Premium Hi-Nitrogen 14-4-9
Gro-Power Flower 'n' Bloom
Premium Green® Iron - 40% Fe
Gro-Power Premium Green Phosphorus Plus 6-18-8
Gro-Power® Premium Green® 11-2-9
Gro Power® Premium Green Premium Hi-Nitrogen 18-3-7
Gro-Power Controlled Release 12-8-8
For soil preparation, backfill, hydroseeding, maintenance, and for all purpose use. 5-3-1 NPK analysis, 70% Humus, 15% Humic Acids, Micronutrients, and Soil Enhancers.
Tomato 'n' Vegetable 8-10-4 is a complete fertilizer for all vegetables, fruits and herbs. Contains calcium to help prevent blossom end rot on tomatoes.
Toss 'n' Gro™ Fertilizer 8-8-8 is ideal for hand applications on slopes and hillsides. Also for long-term feeding of container plants.
Excellent for Azaleas, Camellias, Rhododendrons, Gardenias, Clematis and all "acid-loving" plants, in the garden and in containers. 35% Humus, 10% Humic Acids, Controlled Release Nitrogen, 6% Sulfur, 4% Iron, micronutrients and soil penetrant.
Excellent for all Roses, from miniatures to tall climbers, whether in the garden or in containers. 6-8-4 analysis with 50% Humus, 15% Humic Acids, Controlled Release Nitrogen, 2% Magnesium, 3% Sulfur, 2% Iron, micronutrients and soil penetrant. Controlled release formula that lasts for 3-4 months.
Gro-Power Palm & Tropical Fertilizer is specifically designed for the unique needs of palms and other tropical foliage plants. The following formulation, based on extensive university and field research, contains controlled release nitrogen and equal amounts of potash for consistent feeding over a 3-4...
Ideal for all citrus, avocado, fruit and nut trees, as well as grape and berry vines. 40% Humus, 8% Humic Acids, Controlled Release Nitrogen, 4% Magnesium, 4% Sulfur, 2% Iron, .05% Copper, micronutrients and soil penetrant.
Gro-Power Liquid is the finest liquid plant food available and is especially formulated as a complete feritlizer and soil conditioner. Humic Acids and other nutrients are combined to produce a plant food that is readily available to the plant. Liquid formula for use in containers and the garden. Apply...
Gro-Power's 7 gram slow release planting tablets are designed to last 12 months. Components in tablets allow for breakdown within all soil mediums. 12-8-8 NPK 20% Humus, 4% Humic Acids, Controlled Release Nitrogen, 3.5% Sulfur, 2% Iron, Micronutrients. (1,250 - 7 gram tablets/case)
Designed to prevent and correct Iron Chlorosis in trees, shrubs and lawns. High analysis non-staining iron supplement that is natural and environmentally safe also containing sulfur, manganese and zinc. 40% Iron, 6% Sulfur, 2% Humic Acids and micronutrients. 40% Fe analysis, the highest on the market,...
Our best selling product, designed for use in problem soil like day, adobe, or soils high in salts or boron. Helps to break-up and aerify soils. All purpose fertilizer and soil conditioner. 5-3-1 NPK, 70% Humus, 15% HumicAcids, Micronutrients, beneficial Soil Bacteria and Soil Penetrant. General feeding...
A natural product that contains various species of endo and ecto mycorrhizal fungi with an organic soil conditioner. GroLife® is effective in any type of soil, helping to create a beneficial environment for plants.
A favorite of most gardeners, this low nitrogen, high phosphorus and potash formulation is great for developing a vigorous root system and producing high quality flowers and fruit. 3-12-12 NPK, 35% Humus, 7% Humic Acids, Micronutrients and beneficial soil bacteria. General feeding of flowers, fruit and...
Our best selling and improved hybrid fertilizer for all types of turf combines both quick release and slow release Nitrogen with Micronutrients. Our unique combination of Humus, Humic Acid and beneficial soil microbes with essential nutrients will increase your soils fertility while feeding the turf...
A favorite of most gardeners, this low nitrogen, high phosphorus and potash formulation is great for developing a vigorous root system and producing high quality flowers and fruit. 3-12-12 analysis. Excellent for all blooming plants. Also great for fruit trees. Can also be used as a pre-plant fertilizer...
A high analysis non-staining iron with micronutrients, 1 % Manganese, 1 % Zinc, 1 % Magnesium, 6% Sulfur, 2% Humic Acids. • 100% Natural• Slow-Release• No Mine Tailings• Fast Dissolving • Environmentally Safe Ideal for increasing available iron...
Phosphorus Plus is a unique formulation with 25% Humic Acids to meet the phosphorus needs of plants. It is an ideal product for use in soils low in phosphorus. 6-18-8 NPK, 35% Humus, 25% Humic Acids, 2% Magnesium, 2% Sulfur, Soil Penetrant and beneficial soil bacteria. Pre-plant starter fertilizer for...
This unique multi-purpose formulation developed for all types of turf has 8% non-staining Iron added for longer lasting green. Includes quick release Nitrogen, Micronutrients, and quality organics. 11-2-9 NPK, 20% Humus, 10% Humic Acids, soluable Nitrogen source, Soil Penetrant and beneficial soil bacteria...
For all types of turf, this fertilizer uses three types nitrogen for immediate to long term feeding. With 4% Humic Acids, this maintenance product will produce maximum results while adding some organics back into the soil. 18-3-7 NPK, 20% Humus, 4% Humic Acids, Controlled Release Nitrogen, 4% Sulfur,...
A favorite among landscape professionals, this Controlled Release Nitrogen formulation includes Micronutrients, Humus, Humic Acids, and beneficial soil microbes, and is used in many landscape and horticultural applications. Available in 3 release analysis: 3-4 month: 100% Nitrogen from...
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