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Slow Release Dry Fertilizers For Sale In United States

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Rhododendron & Azalea (3-4-3)
Prices start at : 6.1 USD / 5.00 lbs

Ingredients: Cottonseed meal, fish bone meal, alfalfa meal, feather meal, potassium sulfate, kelp meal, seaweed extract and seven strains of Pro-Biotic beneficial soil microbes, PLUS Ecto and Endo Mycorrhizae.
  • brand: Dr. Earth
United States
Rose Spikes (3-5-3)
★★★★★
Prices start at : 5.73 USD / 2.00 lbs

Insert 1-inch below the soil surface on opposite sides of the plant and 10-12-inches from the stem. OMRI Listed for use in organic production. Ingredients: Feather meal, bone meal and sulfate of potash.
  • brand: Jobe's
United States
Nutri-Rich (4-3-2)
★★★★★
Prices start at : 13.15 USD / 55.0 lbs

In fact, it will not only build up and enrich the soil but also benefit the plant and soil biosphere. Derived from dried poultry waste, these fertilizer pellets are formulated with a broad spectrum of nutrients that slowly release as a plant needs them.
  • brand: Stutzman Farms
United States
Vegetable Garden (4-6-3)
★★★★★
Prices start at : 7.95 USD / 5.00 lbs

For established plants, top-dress with one cup for every 10 square feet of growing area. For new plantings, mix 1-1/3 cups per 10 square feet during soil preparation, or 1/4 cup per 1/2 cubic foot (5 gallons) of potting soil.
  • brand: Dr. Earth
United States
PK Boost (1-13-6)
Prices start at : 18.57 USD / 8.00 lbs

Soil surface • Excellent for all edible and ornamental plants, including roses Available in 6-lb. Count on this premium nutrition for high production! Features: • 1-13-6 NPK ratio • 8% calcium • Granules are easy to ship, measure and use! •...
  • brand: Vermicrop Organics
United States
Rainbow Mix Pro Grow
★★★★★
Prices start at : 6.85 USD / 3.00 lbs

Trees & Shrubs: Spread 2 cups for every 1-inch of trunk diameter around the base outwards to the drip line (outer branches), gently mix into the soil and water thoroughly. Ingredients: Feather meal, bat guano, fossilized seabird guano, steamed bone meal,...
  • brand: Hydro-Organics (Earth Juice)
United States
In Full-Bloom (5-10-5)
★★★★★
Prices start at : 4.95 USD / 2.00 lbs

Soil Preparation & Row Transplant: Apply 2 to 3 pounds per 100 square feet. Note: Age Old In Full-Bloom is designed and blended to build and sustain the beneficial soil micro-organism population that is necessary for healthy and robust plant growth.
  • brand: Age Old Organics
United States
Tomato Maker (4-2-6)
★★★★★
Prices start at : 5.9 USD / 4.00 lbs

Grower's Tip: Blossom end rot appears as a round, brown shrunken area on the end of the tomato fruit, opposite the stem. Ingredients: Blood meal, fish meal, cottonseed meal, ammonium sulfate, potassium sulfate, iron sulfate, gypsum and magnesium sulfate.
  • brand: Organic Laboratories
United States
Fruit Finish (2-10-20)
★★★★★
Prices start at : 4.95 USD / 2.00 lbs

The low nitrogen level coupled with high phosphorus, potash and calcium help build strong root mass, stronger stems and larger foliage. Place plant in hole and replace remaining soil and water in completely.
  • brand: Age Old Organics
United States
Rainbow Mix Pro Bloom
★★★★★
Prices start at : 7.65 USD / 3.00 lbs

Bulbs: Prior to planting, mix 1 Tbsp per hole or work in 1-2 lbs per 20 square feet. Ingredients: Fossilized seabird guano, steamed bone meal, bat guano, feather meal, potassium sulfate, cottonseed meal, langbeinite, greensand and sea kelp meal.
  • brand: Hydro-Organics (Earth Juice)
United States
Once & Done Paks (8-4-4)
★★★★★
Prices start at : 0.78 USD / 0.75 lbs

Step 2: Place transplant on top. Feeding Schedule (PDF) DIRECTIONS FOR USE: It's as easy as one… two… three… Step 1: Place one pack in each planting hole. Ingredients: Meat meal, bone meal and potassium sulfate.
  • brand: Xtreme Gardening
United States
Vegetable Spikes (2-7-4)
★★★★★
Prices start at : 3.89 USD / 2.00 lbs

Apply 8 per plant or 8 per sq ft of garden space. Provides gardeners with a premeasured, “in-the-ground” nutrient delivery system that's effective and safe to use. Water after application.
  • brand: Jobe's
United States
Better Bloom (1-6-7)
Prices start at : 14.99 USD / 2.00 lbs

A natural source of phosphorus, potassium and more — it is an excellent organic alternative to chemical fertilizers. Compost Tea: Mix 1/4 cup with each gallon of aerated compost tea toward the end of the brewing cycle (last 2 hours).
  • brand: Organic Bountea
United States
Rose & Flower (4-6-2)
★★★★★
Prices start at : 6.1 USD / 5.00 lbs

For established plants, work 1/2 to 2 cups into the soil within the drip line. For new plantings, mix 1-1/2 cups per 10 square feet during soil preparation, or 1/2 cup per 1/2 cubic foot (5 gallons) of potting soil.
  • brand: Dr. Earth
United States
Flower Garden (3-7-4)
Prices start at : 5.09 USD / 5.00 lbs

For established plants, add one cup for every 10 square feet of growing area, or top-dress one Tbsp per 6” container (4 Tbsp per 12” container). Ingredients: Fish bone meal, feather meal, alfalfa meal, potassium sulfate, soft rock phosphate, seaweed...
  • brand: Dr. Earth
United States
Holly-Tone (4-3-4)
Prices start at : 3.75 USD / 6.00 lbs

Double the quantity if branch spread is three feet or larger. Ingredients: Hydrolyzed feather meal, pasteurized poultry manure, cocoa meal, bone meal, alfalfa meal, greensand, humates, sulfate of potash and sulfate of potash magnesia.
  • brand: Espoma
United States
Container Spikes (3-5-6)
★★★★★
Prices start at : 3.89 USD / 2.00 lbs

OMRI Listed for use in organic production. Features: • Ideal for vegetables, fruits and flowers • Will NOT burn plants • Easy to use and mess-free • Promotes beneficial soil microbes for rich, healthy soil • Feeds for 8 weeks! Available size:...
  • brand: Jobe's
United States
Potash (0-0-20)
★★★★★
Prices start at : 6.95 USD / 3.00 lbs

DIRECTIONS FOR USE: Apply 1-2 lbs per 100 square feet and work into the soil. Potassium (K2O) also known as Potash, is necessary for the plant's overall health by enabling the various plant processes such as photosynthesis, water movement (stomatic function)...
  • brand: Guano Company International
United States
Bulb Food (3-8-8)
Prices start at : 6.57 USD / 5.00 lbs

Gardens: Mix 1-2 Tbsp into the bottom of each hole or topdress 1-2 Tbsp around bulbs. How much soil to have over them depends on the type of plant (see planting instructions). Ingredients: Feather meal, bone meal, sulfate of potash magnesia, bat guano,...
  • brand: Fox Farm
United States
Bulb Food (3-14-2)
Prices start at : 5.09 USD / 5.00 lbs

Give it a try… you'll see BLUE RIBBON results! Features: • 100% natural & organic • Slow release — feeds plants and soils over time! • Better, more abundant blooms… NATURALLY! • Promotes healthy growth in ALL types of plants • Loosens...
  • brand: Dr. Earth
United States
Anderson\'s All Purpose Fertilizer, 12-6-6
Prices start at : 30.29 USD / each

2-3 month feeding period (80°F), 3-5 month below 80°F. Contains iron and other nutrients for enhanced turf greening and stress tolerance. All purpose fertilizer product designed for landscape, field grown nursery stock, and container grown plants.

Specs

    • Topdress rates in container plants varies, see label: Application Rates
    • 50 lb bag: Specs
    • Designed for landscape plants, field grown and container grown nursery stock, as well as turf and lawns: Product Benefits
    • 2 to 3 month feeding period: Specs
    • 12-6-6 formula: Specs
    United States
    Anderson\'s All Purpose Fertilizer, 18-6-12
    Prices start at : 45.49 USD / each

    Contains iron and other micronutrients for enhanced greening and stress tolerance. Contains SMARTPHOS slow release phosphate and MUtech-XL slow release nitrogen. 8-9 month feeding.

    Specs

      • All purpose product designed for landscape and field grown stock: Product Benefits
      • 18-6-12 formula: Specs
      • Also contains minor nutrients such as Magnesium, Sulfur, Copper, Iron, Manganese, Zinc: Specs
      • 50 lb bag: Specs
      • Container plant rates vary, see label for details: Application Rates
      United States
      Florikan Sapphire 3-4 month Time Release Aluminum Sulfate, 50 lb Bag
      Prices start at : 63.69 USD / each

      Sapphire uses a proprietary controlled release polymer-coated Aluminum Sulfate. Lowers pH as it increases acidity. It is designed to increase the development of the blue flower color in blue hydrangeas.

      Specs

        • Not fertilizer; there are no nutrients in it, just aluminum sulfate: Specs
        • 50 lb bag: Specs
        • Polymer coated aluminum sulfate: Specs
        • Turns pink and white hydrangeas blue: Product Features
        United States
        ARBORChar Root, Flower & Fruit
        Prices start at : 12.99 USD / each

        Built to have neutral pH, produce minimal dust, sourced from recycled trees, and loaded with blood meal, bone meal, and dolomitic limestone ARBORChar Root, Flower & Fruit goes above and beyond traditional biochar products.
        • Size: 1 lb
        United States
        Florikan 3-4 month 16-5-11 Nano-Prill Time-Release Fertilizer, 50 lb Bag
        ★★★★★
        Prices start at : 79.79 USD / each

        NANO is great for greenhouse growers using 1 gallon containers, 4 inch and trays (annuals, perennials, seedlings, propagation, impatiens, pansies, vinca, herbs and more). This product is a classic 3:1:2 ratio for heavier feeders and is complete with a...

        Specs

          • "Nano" prills have 10-times the prills as other slow release fertilizers: Specs
          • 50 lb bags: Specs
          • The small prill (particle size) means more product lands on the leaves, delivering more nutrients more efficiently: Product Benefits
          • 3 to 4 month release: Specs
          United States
          Florikan 4-5 month 18-5-12 Controlled Release Fertilizer, 50 lb Bag
          Prices start at : 49.49 USD / each

          Plants and turf are healthier when they receive a consistent source of nutrient. Florikote is a high-performance, polymer coated, fertilizer technology activated by moisture. Florikote breaks the feast or famine cycle of other conventional and inferior...

          Product Features

            • 4 to 5 month: Specs
            • Contains no urea: Product Features
            • Contains only ammoniacal and nitrate nitrogen: Product Features
            • Product is 81% polymer coated and contains 90% of the nitrogen as polymer coated nitrogen: Product Features
            • Includes micro nutrients: Product Features
            United States
            Florikan 5-7 month 17-5-11 Total Controlled Release Fertilizer, 50 lb Bag
            ★★★★★
            Prices start at : 63.69 USD / each

            Ideal for incorporation with growing media or as a topdressing. The speed of release is only affected by soil temperature. Plants and turf are healthier when they receive a consistent source of nutrient.

            Specs

              • 5 to 6 month: Specs
              • in landscape, 9 to 14 lbs per 1000 sq ft. For incorporating into a potting mix, 9 to 14 lbs per cu yd Container rates vary considerably; see label for details: Application Rates
              • 17-5-11 formula: Specs
              United States
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