Product Code


Osmocote Plus 15-9-12 12-14M Standard Release A903306

Standard 12-14M

  • Advantages
  • Directions for use
  • Suggested Application Rates
  • Recommended for use when growing a wide variety of plants alone or in combination with water soluble fertilizer, for a steady source of nutrition throughout the season.
  • For use in greenhouse, nursery and foliage production, container gardens, interiorscapes and landscapes.
  • Homogeneous Osmocote® Plus contains 100% resin coated N-P-K plus micronutrients fertilizer cores. ICL Specialty Fertilizers' Patterned Nutrient Release Technology™ meets specific feeding cycles with unmatched consistency, efficiency and safety.
  • “Standard” releases products recommended for use when consistent fertility is required throughout the plant’s growth cycle
  • Special circumstances such as sensitive or high-value crops can be addressed with this product
  • Use with Dibbling equipment
  • Can be Incorporated in planting media or Surface Applied to containers
Directions for use
  • Verify your product analysis, longevity and rate for your plants in your production system. For further guidance contact your local ICL Specialty Fertilizer Territory Manager or call ICLSpecialty Fertilizer Customer Service at 800-492-8255.
  • Rate tables are printed on bag labels and can be found on product information sheets as well as on
  • For incorporation, blend into growing media to ensure uniform distribution of fertilizer prills. Do not over-mix to avoid damaging fertilizer coating.  Growing media should be used within two to four weeks after incorporating fertilizer.
  • For top-dress applications, refer to suggested rate tables on bag labels and product sheets. Uniformly spread fertilizer on container surface; avoid piling fertilizer dose directly against plant stem.
  • Irrigate after application. Irrigation frequency and volume should be adjusted during the crop production cycle according to crop type, environmental conditions and desired soluble salt levels.
  • A product trial is recommended before adopting a new fertilizer program or making full-scale changes to standard cultural practices. Test several rates on representative plant types.
  • Use caution when applying to plants being over-wintered under cover. If you cannot monitor soluble salts and/or adjust irrigation practices, avoid Fall and Winter application.
  • Product storage: Store in a clean, cool, dry place.  Re-seal opened bags by folding top down and securing.
Suggested Application Rates

The following application rates are intended for general container greenhouse production and nursery stock growing conditions.  Product and rate selection should always be based on individual grower practices and environmental conditions.  Some factors that influence selection include:

  • Climate
  • Specific Crop
  • Type of Growing Media
  • Other Nutrient Sources
  • Irrigation Type
  • Rainfall Amount


Incorporation Rates for Container Nursery Stock

  Low Medium High
Lb. per cubic yard 12.0 16.5 21.5
Kg. per cubic meter 7.1 9.8 12.7
Grams per liter 7.1 9.8 12.7


Landscape Rates*

  Low Medium High
Lb. per 1000 sq. ft. 13.5 26.5 40.0
Kg. per 100 sq. m. 6.6 12.9 19.5
Lb. of N per 1000 sq. ft. 2.0 4.0 6.0


*Use low rate on heavy or clay soils, high rate on light or sandy soils depending on soil test.

For surface application rates on various container sizes, please refer to the Product Information Sheet.

For greenhouse applications, ICL recommends using low to medium rates. Contact your local ICL Specialty Fertilizer Territory Manager for more information and/or detailed advice.

As circumstances can differ and as the application of our products is beyond our control, ICL Specialty Fertilizers cannot be made responsible for any negative results.

Recommended for use when growing a wide variety of plants alone or in combination with water soluble fertilizer, for a steady source of nutrition throughout the season.