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Fertilizers Treatments Horticulture Supplies For Sale In Seattle

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PHC Tree Saver
Prices start at : 499.99 USD / each

Also, commercial potting mixes and fumigated soils are often sterile - with no mycorrhizal fungi at all! Get mycorrhizal fungi transplant innoculant in convenient, pre-measured 3oz tree survival packs or bulk pails, with live spores of beneficial endo...
  • Ship wt: 33 lb
  • Size: 150 Packs (450 oz total) in 5 gal pail
Washington
Seattle
General Purpose Tree Spike, 8-10-10, Plus Micros
Prices start at : 14.49 USD / each

Stakes have specially designed caps so they are easily inserted into soft soil with a small mallet to the feeder roots for more nutrient uptake and less waste. Sold as a big box of 40 stakes or 10 stakes.
  • Quantity: 10 Spikes
  • Ship Wt: 3.5 lb
  • Up to 12 months of slow release fertilizing: Product Features
  • Availabel in boxes of 10 spikes or 40 spikes: Specs
Washington
Seattle
BioPlex Transplant Concentrate & Plant Enhancer
Prices start at : 145.49 USD / each

Some of the benefits include: reduced transplant stress, wilt and flagging. A biostimulant liquid complex of seaweed extract, humic acid extract, enzymes, and a "new generation" non-ionic wetting agent.
  • Size: 1 Gallon
Washington
Seattle
Florikan 4-5 month Micronutrient Blend Controlled Release Fertilizer, 50 lb Bag
Prices start at : 39.39 USD / each

Made to be used in conjuction with a fertilizer containing NPK only. Florikote breaks the feast or famine cycle of other conventional and inferior slow release technologies, ensuring that nutrients remain available to your plants and are not leached into...

Specs

    • Contains sulfates: Specs
    • Contains iron, calcium, magnesium, copper, zinc: Specs
    • 50 lb bags: Specs
    Washington
    Seattle
    Scotts Osmocote Fertilizer 15-9-12 Slow Release 8 to 9 Months 50lb Bag
    Prices start at : 96.99 USD / each

    We apologize for any inconvenience. 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.
    Washington
    Seattle
    New! Harvest Gold Silica Supplement
    Prices start at : 19.99 USD / each

    Harvest Gold formulates their silica for ease of use and effectiveness. Supercharge your soil and grow your plants fuller and faster! Harvest Golds silica soil supplement nourishes and fortifies your plants.

    Product Benefits

      Specs

        • Provides silica and other essential nutrients to plants: Product Features
        • Faster growth — Encourages plants to go from seeds to full maturity faster than you ever thought possible.: Product Benefits
        • Guaranteed analysis: Silica (85%), Iron (1%), Calcium (1%), Magnesium (0.2%), Potassium/soluble potash (0.11%), Sulfur (0.11%), Manganese (0.06%), Phosphate (0.06%), Nitrogen (0.01%), Sodium (0.01%), Zinc (0.01%): Specs
        • Exceptional water retention — Granule formation retains water and fertilizer at the roots. This retention enables healthier, more resilient plants.: Product Benefits
        • Product weight (pounds): Varies: Specs
        • Increased plant health — Fortifies plant walls, branches, leaves, and flowers. Healthier plants become more abundant, fuller, and more resistant to weather and pests.: Product Benefits
        Washington
        Seattle
        PHC 27-9-9 Tree Nutrient Management System with Surfactant, 8 lbs
        Prices start at : 37.89 USD / each

        Sold in 8 lb bags.27-9-9, High Nitrogen Formula Drench containers at 1 qt per gal of container size. Not Just a Fertilizer but a Fertility System that provides both short-term and long-term replenishment of nutrients! Water soluble formula with N-P-K...

        Product Features

          • Includes micronutrients including iron and manganese as well as humic acids, seaweed extract, and B-vitamins: Product Features
          • Perfect for soil injection and soil drenching of trees: Product Features
          • Water soluble formula with N-P-K fertilizers to boost soil fertility.: Product Features
          Washington
          Seattle
          Nutra Pro Fertilizer for Trees and Evergreens, 1 Year Controlled Release (16-8-8)
          Prices start at : 0.49 USD / each

          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.
          Washington
          Seattle
          Medicap Zinc Implants 3/8in Diam 10 per Package
          Prices start at : 12.69 USD / each

          Zinc deficiencies are normally associated with calcareous soils and are common in citrus, peach, nectarine, avocado, walnut, pecan or other nut trees! Medicap ZN Zinc Implants - Zinc deficiencies can cause intravenous chlorosis, little leaves, even rosetting...
          Washington
          Seattle
          Peters Excel Multi Purpose Fertilizer, 21-5-20
          Prices start at : 36.99 USD / each

          Contains a complete range of essential micronutrients. We can ship up to 39 bags via motor freight delivery. Due to haz-mat restrictions on oxidizers, we are unable to ship this product via ground.

          Specs

            • 21-5-20 fertilizer analysis: Specs
            • Also contains trace elements: Specs
            • 25 lb bag: Specs
            Washington
            Seattle
            The Andersons 22-0-4 Turf Fertilizer with Trimec Post-Emergent Herbicide, 40lb Bag
            Prices start at : 22.29 USD / each

            Trimec Herbicide with 22-0-4 lawn fertilizer controls dandelions, chickweed, thistle, clover and many more broadleafs just like Trimec but also includes high-nitrogen fertilizer. Medium rate application: 40 lbs per 10,000 sq ft.

            Specs

              • 40 lb bag: Specs
              • Controls a variety of broadleaf weeds, which reduces the amount of spraying and weed-pulling: Product Benefits
              • Active ingredients are 2, 4-D (0.55%), Mecoprop-P (0.12%) and Dicamba (0.05%): Specs
              • One bag cover 10,000 sq ft: Specs
              Washington
              Seattle
              Atrimmec Growth Regulator For Plants and Trees 1 Quart Concentrate
              Prices start at : 119.19 USD / each

              Atrimmec enhances the appearance of ornamentals by promoting branching, giving shrubs and bushes a fuller, more compact uniform shape. Applied as a foliar spray, it is absorbed by the leaves and translocated to the shoot tips where it interrupts apical...
              Washington
              Seattle
              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

                • 50 lb bags: Specs
                • Provides 10 times the fertilizer particles than traditional fertilizers: Product Features
                • 16-5-11 formula: Specs
                • "Nano" prills have 10-times the prills as other slow release fertilizers: Specs
                Washington
                Seattle
                Grotab 3-in-1 Premium Plant Starter (12-8-4)
                Prices start at : 18.99 USD / each

                Easy and affordable to use. Activates root system. Mycorrhizae Biostimulant. Activates soil microorganisms. Increases nutrient absorption. Reduces transplant shock. 1 tablet treats up to 18-in root ball.

                Product Benefits

                  • Increases resistance to abiotic stress.: Product Benefits
                  • Tab Count: 36
                  • Reduces transplant shock.: Product Benefits
                  • Increases nutrient absorption.: Product Benefits
                  • Stimulates plant development.: Product Benefits
                  Washington
                  Seattle
                  PHC 3-4-4 Fertilizer for Acid-Loving Plants, 25 lb Bag
                  Prices start at : 28.29 USD / each

                  Use before or during the bloom period to encourage flowering, and again in the fall. This fertilizer contains elemental sulfur to promote soil acidity and is packed with beneficial bacteria to promote sustainable fertility.
                  Washington
                  Seattle
                  Turf Type Tall Fescue
                  Prices start at : 10.99 USD / each

                  Fertilizing during the summer greatly increases the likelihood of disease and insect infestation. The genetic diversity of this mixture offers some of the highest-rated and best performing tall fescues.
                  • New seeding rate: 7 to 8 pounds per 1,000 square feet: Specs
                  • Bag Size: 5 Pounds
                  Washington
                  Seattle
                  Starter + Bloomtastictm 8-32-5
                  Prices start at : 69.99 USD / each

                  It remains accessible to your plants for longer period. A perfect high-phosphorus plant starter! Bloomtastictm 8-32-5 is excellent for seedlings, young plants and overseeding. You can use less Bloomtastictm 8-32-5 than other granular high-phosphorus products...
                  Washington
                  Seattle
                  Leonard Fertilizer Tablets for Containers 14-4-6 Controlled Release 3 to 4 Months 3 grams
                  Prices start at : 134.99 USD / each

                  Designed to deliver bigger, healthier, greener plants at a value price! Slow release, ureaformaldehyde for prolonged release nitrogen. Watering cycles break down tablets to disperse over time.
                  Washington
                  Seattle
                  New! ICL Dark Weather Feed 15-0-15, 25-Pound Bag
                  Prices start at : 32.99 USD / each

                  This classic high-nitrate formula is water soluble. This fertilizer also offers lower phosphate and provides a slightly higher growing media pH. Use this fertilizer for bulbs or any crop that requires extra calcium and magnesium.

                  Product Features

                    • Guaranteed analysis: Nitrogen (15%), phosphorus (0%), potassium (15%), magnesium (2%), calcium (5%), iron (0.08%), manganese (0.04%), boron (0.02%), copper (0.019%), and molybdenum (0.008%): Specs
                    • Provides slightly higher growing media pH: Product Features
                    • Ideal with water types 1 or 2: Product Features
                    • Provides extra calcium and magnesium: Product Features
                    Washington
                    Seattle
                    Florikan 4-5 month 18-5-12 Controlled Release Fertilizer, 50 lb Bag
                    Prices start at : 49.49 USD / each

                    Product is 81% polymer coated and contains 90% of the nitrogen as polymer coated nitrogen. Contains NO urea. 19% uncoated fertilizer for quick growth and greenup. Plants and turf are healthier when they receive a consistent source of nutrient.

                    Product Features

                      • 4 to 5 month: Specs
                      • This product for woody ornamentals, flowering trees, shrubs, vines and perennials is intended as a topdress but can also be incorporated into the soil for woody ornamentals, trees and perennials: Product Features
                      • Contains no urea: Product Features
                      • 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
                      Washington
                      Seattle
                      New! HyR BRIX Vegetable Fertilizer, 50-Pound Bag
                      Prices start at : 36.00 USD / each

                      HyR BRIX Vegetable Fertilizer also contains soil amendments to improve the physical properties of your soil. Use this fertilizer on your entire garden! HyR BRIX Vegetable Fertilizer provides everything your plants need to develop to their fullest potential.

                      Product Benefits

                        Specs

                          • Calcium content: 9.75%: Specs
                          • Allows for greater density: Product Benefits
                          • Conditions soil which improves soil biology and nutritional content: Product Benefits
                          • Phosphorous content: 7%: Specs
                          • Potassium content: 9%: Specs
                          • Enhances garden production without harming other plants: Product Benefits
                          Washington
                          Seattle
                          Florikan Sapphire 6 month Time Release Aluminum Sulfate, 50 lb Bag
                          Prices start at : 65.69 USD / each

                          Lowers pH as it increases acidity. It is designed to increase the development of the blue flower color in blue hydrangeas. Very popular! Polymer-coated aluminum sulfate is slow-release for better uptake by plants, and lowers pH for blue hydrangeas and...

                          Specs

                            Product Features

                              • 50 lb bag: Specs
                              • Not fertilizer; there are no nutrients in it, just aluminum sulfate: Specs
                              • 6 month formula: Specs
                              • Turns pink and white hydrangeas blue: Product Features
                              • Will also lower pH: Product Features
                              Washington
                              Seattle
                              TransFilm Anti-Transpirant Spray, 2.5 Gallons Concentrate
                              Prices start at : 148.49 USD / each

                              Don't pay the cost of replanting trees and turf, protect them! Plants suffer from losing too much water through the leaves or suffer from excessive transpiration year round. Other uses include: Prolong snow mold fungicide residual Reduce transplant shock...
                              Washington
                              Seattle
                              New! Black Gypsum DG, 50-Pound Bag
                              Prices start at : 18.99 USD / each

                              Gypsum also acts as a soil conditioner, loosening hard packed soil and flushing out harmful salts and excess sodium. It does this without altering soil pH levels. For bulk mixes, use 8 to 12 pounds per cubic yard.

                              Product Benefits

                                Product Features

                                  • Flushes out harmful salts and excess sodium: Product Benefits
                                  • Dispersing Granular technology: Product Features
                                  • Delivers calcium, sulfur, and humate into soils without altering soil pH: Product Benefits
                                  • Loosens packed soil: Product Benefits
                                  • Dual-carbon sources: Product Features
                                  Washington
                                  Seattle
                                  Tree Tech OTC Bactericide Injectable Case of 25
                                  Prices start at : 178.29 USD / each

                                  Excellent for urban areas where spraying is impractical.Tree Tech OTC- Oxyteracyline antibiotic solution which aids in the control of fire blight, X-disease, bacterial leaf spot, and the decline of crop-bearing peach and pear trees.
                                  Washington
                                  Seattle
                                  Neptune\'s Harvest Organic Crab Shell 5-3-0, 4 lb Bag
                                  Prices start at : 11.99 USD / each

                                  It retains moisture in the soil and builds the organic matter. Crab Shell is high in chitin (kite-en), which promotes the growth of chitin eating bacteria in the soil. Put around plants, Crab Shell will keep slugs and snails off.
                                  Washington
                                  Seattle
                                  New! UltraMate LQtm, 2-1/2-Gallon Jug
                                  Prices start at : 36.99 USD / each

                                  It also allows for a broader range of application methods which may not be suitable for similar products. Highly compatible with other applications! UltraMate LQtm is a sulfonated potassium humate liquid.

                                  Product Benefits

                                    Product Features

                                      • Increases seed germination and overall plant health: Product Benefits
                                      • Allows your plants to utilize nutrients more efficiently: Product Benefits
                                      • Sulfonated potassium humate liquid: Product Features
                                      • Reduces leaching and improves soil structure: Product Benefits
                                      • Increases upfront availability of humic and fulvic acid: Product Benefits
                                      • High pH range allows you to mix it directly into tank mixes, drip irrigation, or onto acid soils: Product Features
                                      Washington
                                      Seattle