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Slow Release Fertilizer Fertilizers Treatments For Sale In District Of Columbia

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New! HyR BRIX Lawn Fertilizer, 50-Pound Bag
Prices start at : 30.00 USD / each

This fertilizer contains nitrogen (14%), phosphorus (4%), potassium (24%), and sulfur (11%). It provides essential nutrients, micro-nutrients, trace elements, and minerals. This unique fertilizer blend slowly releases into the soil, giving you a lush,...

Product Features

    Specs

      • Sulfur content: 11.20%: Specs
      • A dry granular, slow release product: Product Features
      • Products are naturally mined in the USA: Product Features
      • Conditions soil which improves soil biology and nutritional content: Product Benefits
      • Nitrogen content: 14%: Specs
      • Contains no GMO ingredients or fillers: Product Features
      District of Columbia
      ARBORChar Root, Flower & Fruit
      Prices start at : 12.99 USD / each

      Biochar is created by burning organic matter with limited oxygen (pyrolysis), turning it into a porous and activated carbon material which helps to build soil, conserve water, and sequester carbon.
      • Size: 1 lb
      District of Columbia
      Agriform 20-10-5 Fertilizer Tablets, 2 Year Formula, Box
      ★★★★★
      Prices start at : 75.49 USD / each

      High nitrogen that delivers bigger, greener plants. Composed of water-soluble nutrients. 20-10-5 formula works up to 2 years with one application! Use once and it lasts up to 2 years! Agriform fertilizer tablets have a high-nitrogen formula specifically...
      • Grams: 10
      • Per Case: 1000 tablets
      District of Columbia
      Nutra Pro Fertilizer For Trees and Evergreens 16-8-8 Controlled Release 3 Year
      Prices start at : 1.29 USD / each

      Packet lasts 3-4 years. Plants will recieve correct amount of fertilization without the guesswork, mixing, measuring or mess, and the nutrients in the pack will remain in the root zone of the plant, eliminating waste.Can be used during planting and on...
      District of Columbia
      Osmocote Fertilizer 18-6-12 Slow Release
      Prices start at : 92.99 USD / each

      The 3:1:2 is ideal for greenhouse and container nursery stock. #18612 is the "horticulture industry standard" in controlled release nutrition. Also ideal for propagation and fall feeding.
      District of Columbia
      Anderson\'s All Purpose Fertilizer, 18-6-12
      Prices start at : 45.49 USD / each

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

      Specs

        • 8 to 9 month feeding period: Specs
        • 50 lb bag: Specs
        • Also contains minor nutrients such as Magnesium, Sulfur, Copper, Iron, Manganese, Zinc: Specs
        • All purpose product designed for landscape and field grown stock: Product Benefits
        • Incorporate between 7 and 15 pounds per cubic yard of soil OR broadcast 11 to 19 pounds per 1,000 square feet: Application Rates
        District of Columbia
        Florikan 4-5 month Micronutrient Blend Controlled Release Fertilizer, 50 lb Bag
        Prices start at : 39.39 USD / each

        Nutrient release is not affected by media type or pH. Florikote Controlled Release Fertilizer has a patented dual reactive layer polymer coating process developed in 2004 in conjunction with the Space Alliance Outreach Program administered by NASA.

        Specs

          • Not an NPK fertilizer; contains micronutrients only (also known as "minors"): Product Features
          • Contains sulfates: Specs
          • 50 lb bags: Specs
          District of Columbia
          Florikan Sapphire 6 month Time Release Aluminum Sulfate, 50 lb Bag
          Prices start at : 65.69 USD / each

          Lowers pH as it increases acidity. Sapphire uses a proprietary controlled release polymer-coated Aluminum Sulfate. Once you try it, your plants will want no other aluminum sulfate! 50 lb bag.

          Specs

            Product Features

              • Will also lower pH: Product Features
              • 6 month formula: Specs
              • Not fertilizer; there are no nutrients in it, just aluminum sulfate: Specs
              • Turns pink and white hydrangeas blue: Product Features
              • Polymer coated aluminum sulfate: Specs
              District of Columbia
              Rose Spikes (3-5-3)
              ★★★★★
              Prices start at : 5.73 USD / 2.00 lbs

              OMRI Listed for use in organic production. Features: • Ideal for all types of flowering shrubs • Will NOT burn plants • Convenient resealable bag • Promotes healthy plants and abundant blooms • Feeds plants for 8 weeks! Available size: 10 Pack...
              • brand: Jobe's
              District of Columbia
              Leonard 8-16-16 Tree Food for Fruit and Ornamental Trees, Box of 40 Stakes
              Prices start at : 34.69 USD / each

              Boost your fruit and ornamental trees with this vigorous, easy-to-use plant food! Feeding your trees has never been easier! Leonard brand super tree feeding stakes contain all the essential nutrients your trees need to maintain proper health.
              District of Columbia
              Container Spikes (3-5-6)
              ★★★★★
              Prices start at : 3.89 USD / 2.00 lbs

              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: 50 Pack DIRECTIONS FOR USE: For best results,...
              • brand: Jobe's
              District of Columbia
              Potash (0-0-20)
              ★★★★★
              Prices start at : 6.95 USD / 3.00 lbs

              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) and enzyme activity.
              • brand: Guano Company International
              District of Columbia
              Florikan 4-5 month 18-5-12 Controlled Release Fertilizer, 50 lb Bag
              Prices start at : 49.49 USD / each

              Florikote is a high-performance, polymer coated, fertilizer technology activated by moisture. A smooth exterior coating with no breaks or fissures insures a predictable release. Ideal for incorporation with growing media or as a topdressing.

              Product Features

                Specs

                  • 18-5-12 formula: Specs
                  • 19% uncoated fertilizer for quick growth and greenup: Product Features
                  • Product is 81% polymer coated and contains 90% of the nitrogen as polymer coated nitrogen: Product Features
                  • 4 to 5 month: Specs
                  • 50 lb bag: Specs
                  District of Columbia
                  Scotts Osmocote Fertilizer 15-9-12 Slow Release 8 to 9 Months 50lb Bag
                  Prices start at : 96.99 USD / each

                  Please contact us for pricing information. Composed of water soluble nutrients.Due to the current instability in the fertilizer markets, AM Leonard's printed materials may not reflect updated pricing.
                  District of Columbia
                  Osmocote Fertilizer 19-6-12 Slow Release 3 to 4 Months 50lb Bag
                  Prices start at : 91.99 USD / each

                  Composed of water soluble nutrients. Please contact us for pricing information. We apologize for any inconvenience. 19612 is perfect for short term foliage plants.Due to the current instability in the fertilizer markets, AM Leonard's printed materials...
                  District of Columbia
                  New! Florikan 12-4-11, 180-Day Formula, 50-Pound Bag
                  Prices start at : 77.99 USD / each

                  This fertilizer continues to provide essential nutrients throughout the entire crop cycle. An excellent formula for plants that thrive on calcium! Florikan formulated their 12-4-11 fertilizer with a balance of nitrogen and potassium and a low level of...

                  Product Benefits

                    Product Features

                      • Analysis: Nitrogen (12.0%), Phosphorus (4.0%), Potassium (11.0%), Calcium (5.80%), Magnesium (1.2%), Sulfur (6.0%), Copper (0.05%), Iron (0.6%), Manganese (0.10%), Zinc (0.06%): Specs
                      • Designed specifically for crops requiring long-term calcium: Product Benefits
                      • Apply as a top dress, sub dress, or incorporation: Product Features
                      • High level of available nitrogen: Product Benefits
                      • Contains Florikan Polymer Coated Calcium Nitrate: Product Features
                      • Chelated iron and calcium for a deep green leaf color: Product Benefits
                      District of Columbia
                      Vegetable Spikes (2-7-4)
                      ★★★★★
                      Prices start at : 3.89 USD / 2.00 lbs

                      Provides gardeners with a premeasured, “in-the-ground” nutrient delivery system that's effective and safe to use. OMRI Listed for use in organic production. Features: • Ideal for all garden crops • Will NOT burn plants • No mixing or measuring!...
                      • brand: Jobe's
                      District of Columbia
                      Nutri-Rich (4-3-2)
                      ★★★★★
                      Prices start at : 13.15 USD / 55.0 lbs

                      Benefits: • Guaranteed analysis 4-3-2, Ca 7% • Pelleted for all-purpose application • Guaranteed weed and dirt free • Easily broadcasts with conventional spreaders • Contains essential nutrients and micronutrients Available size: 50 lb Bag DIRECTIONS...
                      • brand: Stutzman Farms
                      District of Columbia
                      PK Boost (1-13-6)
                      Prices start at : 18.57 USD / 8.00 lbs

                      Count on this premium nutrition for high production! Features: • 1-13-6 NPK ratio • 8% calcium • Granules are easy to ship, measure and use! • Dilute 1/4 tsp. Per gallon of water or spread 1/2 cup over 12 sq.
                      • brand: Vermicrop Organics
                      District of Columbia
                      Osmocote Fertilizer 15-9-12 Slow Release 5 to 6 Months 50lb Bag
                      ★★★★★
                      Prices start at : 96.99 USD / each

                      Please contact us for pricing information. Composed of water soluble nutrients.Due to the current instability in the fertilizer markets, AM Leonard's printed materials may not reflect updated pricing.
                      District of Columbia
                      Fruit Finish (2-10-20)
                      ★★★★★
                      Prices start at : 4.95 USD / 2.00 lbs

                      Place plant in hole and replace remaining soil and water in completely. Age Old Fruit Finish Fertilizer (formerly Dry Fruit) is formulated from certified organic nutrients especially for the specific needs of perennials, fruit bearing bushes and trees.
                      • brand: Age Old Organics
                      District of Columbia
                      PHC Tree Saver
                      ★★★★★
                      Prices start at : 499.99 USD / each

                      Use on all trees and shrubs! Mycorrhizal fungi are essential to plant growth, but they're often not present in urban settings, especially when soils are moved, compacted, have fertilizer and pH imbalances, or are low in organic matter.
                      • Ship wt: 33 lb
                      • Size: 150 Packs (450 oz total) in 5 gal pail
                      District of Columbia
                      Florikan 3-4 month 14-14-14 Plus Controlled Release Fertilizer, 50 lb Bag
                      Prices start at : 67.69 USD / each

                      Florikote is a high-performance, polymer coated, fertilizer technology activated by moisture. A smooth exterior coating with no breaks or fissures insures a predictable release. Ideal for incorporation with growing media or as a topdressing.

                      Product Features

                        Specs

                          • 14-14-14 formula: Specs
                          • 100% polymer coated fertilizer: Product Features
                          • Contains 100% Florikote polymer coated technology: Product Features
                          • 50 lb bags: Specs
                          District of Columbia
                          Bradfield Organics Luscious Lawn and Garden 3-1-5 Natural Fertilizer, 40 lb Bag
                          Prices start at : 38.99 USD / each

                          An earth-friendly way to green up your lawn, or topdress your flower beds, roses, and vegetable gardens. Contains the natural root stimulant Triacontanol, high protein and brix and offers major and minor nutrient elements including amino acids.

                          Product Features

                            Product Benefits

                              • Safe around children and pets, lakes and streams: Product Benefits
                              • Made from all feed grade nutrient components: Alfalfa, Molasses, Sulfate of Potash, Humate (humic acid) and Poultry by-Products. No manure, sludge or inert ingredients.: Product Features
                              • Contains the natural root stimulant Triacontanol, high protein and brix and offers both major and minor nutrient elements including amino acids: Product Features
                              • Recommended application is 20 lbs. per 1,000 sq. ft. initially: 10 lbs. per 1,000 sq. ft. routinely for a total of 4 applications per year: Application Rates
                              • Alfalfa is the second richest source of nutrients known and is the base for Bradfield Fertilizer: Product Features
                              • Relieves heat stress and promotes winter cold-hardiness: Product Benefits
                              District of Columbia
                              Holly-Tone (4-3-4) All-Natural Plant Food for Acid-Loving Plants, 8 lb. Bag
                              Prices start at : 14.99 USD / each

                              Espoma's Holly-Tone is 100% natural, backed by 80+ years of proven success, and rich in natural organics. This natural alternative to use around people and pets will boost growth and production for azaleas, blueberries, evergreens, hollies, raspberries,...
                              • 8 lb. bag covers 80 160 sq. ft. Feed established plants twice yearly, Spring and Fall; use half the recommended rate in the Fall application. For garden beds, mix 5 -10 lbs per 100 sq. ft. For trees, shrubs, and potted plants, please see Label: Application Rates
                              District of Columbia
                              Florikan 3-4 month 16-5-11 Nano-Prill Time-Release Fertilizer, 50 lb Bag
                              ★★★★★
                              Prices start at : 79.79 USD / each

                              This 16-5-11 nano-prill formula is time-release for 3-4 months. 100% polymer-coated controlled release fertilizer, 100% water-soluble nutrients for maximum plant uptake, ammonium-nitrate based and is completely urea-free.

                              Specs

                                • "Nano" prills have 10-times the prills as other slow release fertilizers: Specs
                                • 50 lb bags: Specs
                                • 16-5-11 formula: Specs
                                • 3 to 4 month release: Specs
                                District of Columbia
                                Neptune\'s Harvest Organic Fish and Seaweed Blend Fertilizer 2-3-1
                                Prices start at : 18.99 USD / each

                                The addition of the seaweed plant food provides an organic storehouse of over 60 naturally occurring major and minor nutrients and amino acids. Its growth promoting substances (Auxims, Cytokinins, Gibberellins) enhance plant development, color and vigor.
                                • House plants, 1 tablespoon per gallon. For outdoor plants, 1/8 cup per gallon: Application Rates
                                • Size: Quart
                                District of Columbia
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