Osmocote 13-13-13 Fertilizer 8-9 Month Controlled Release

Everris


Osmocote General Purpose Slow Release Fertilizer

Pro Tip: Exceptional Fertilizer for Roses!

A general-purpose formulation for a wide variety of plant types. 8-9 months longevity. Suitable for use in nurseries, foliage and greenhouse production, container gardens, interiorscapes, and landscapes.

  • a general-purpose formulation for a wide variety of plant types
  • excellent as a base feed for heavy-feeding greenhouse and nursery crops
  • ideal for topdressing established hanging baskets and perennials
  • safe for long-term feeding of interior foliage plants
  • eliminates repeated applications, saving time and labor costs
  • for optimum results, use in combination with Micromax micronutrients
  •  13% Total Nitrogen (7.5% ammoniacal, 5.5% nitrate)
  • 13% Available Phosphate
  • 13% Soluble Potash

 

Customer Reviews

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Based on 10 reviews Average Rating 4.80 stars out of 5
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  • M
    Mitchell Gainey M. G. Mitchell G.
    17-06-2025

    Slow release fertilizer Osmocote

    Excellent product- plants respond well for an extended period.

  • J
    Joanne Bringham J. B. Joanne B.
    16-06-2025

    Osmocote 13-13-13

    Love the way Seed World packaged and shipped the 25 pounds of Osmocote! Great product and great company!

  • S
    Scot Cowan S. C. Scot C.
    17-05-2025

    Exactly what I wanted, with fast shipping

    I ordered 5 50lbs bags of osmocote 13-13-13 9 month extended release fertilizer. The price was the best I could find, and they had a discount code that worked. So thumbs up for that one. They also got it shipped quickly and I got it fast. Thanks Seed World. My only criticism is the boxes did not hold up. Two had split open and the other three were not far behind. The 50lbs of moving product in a bag really did a number on those boxes. Maybe consider a larger heavy duty bag instead of a box. The osmocote bags did not leak, but they could have lost there boxes if they wwre in the system for much longer. And that means no shipping label. Womp womp

  • F
    Fred McDonald F. M. Fred M.
    16-05-2025

    50# Osmocote

    Seed World had great prices and reasonable shipping and everything arrived on time.

  • G
    Gene T Glessner G. T. G. Gene T. G.
    02-04-2025

    Great product

    Great product

  • K
    KP Powell K. P. KP P.
    25-02-2025

    Awesome!

    Super fast shipping, excellent packaging. Well done!

  • B
    Björn Haufe B. H. Björn H.
    21-12-2024

    First time ordering

    Fast delivery,daily updates bag in good shape. Highly recommended,

  • J
    JOHN BAKER J. B. JOHN B.
    03-10-2024

    Fast shipping, good price

    Easy to order, good price, and fast shipping. Win, win, win.

  • J
    John Kirby J. K. John K.
    24-04-2024

    Incomplete order

    I have only received two bags to date. Still waiting

  • E
    Edward Zapata E. Z. Edward Z.
    09-08-2022

    13-13-13

    Shipping cost is expensive.

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