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Osmocote Blend 18-5-12 (8-9M) is controlled-release homogenous fertilizer that features Quickstart formulation for general purpose application on foliage, nursery plants, flower beds, and landscapes. It has 18-5-12 NPK formulation combined with essential micronutrients to provide nourishment to your plants and enhance their growth. It contains 100% resin-coated N-P-K nutrient granules, combined with uncoated prills and STEP Hi-Mag granular micronutrients. The uncoated water-soluble granules quickly release important nutrients which help establish newly planted plants and flowers, while the resin-coated nutrient cores absorb moisture and feed the plants slowly within 9 months period. It is great for quick greening applications, as well as to neutralize the nitrogen draw of green bark. The STEP Hi-Mag helps improve the balance of trace elements so it can maximize plant development. Product can be incorporated or surface-applied and it provides longevity of up to 8-9 months. Comes in 50 lb. bag.
|For use in||Nursery stock, foliage, flower beds, and landscapes.|
|Application||Can be incorporated or surface applied. For incorporation, blend into growing media to ensure even distribution of fertilizer prills. For topdressing, evenly spread fertilizer on container surface; avoid piling fertilizer dose directly against plant stem.|
|Pet safe||Yes, if used as directed on label.|
|Formulation||Granules and prills.|
|Dimensions||15.70 x 2.30 x 21.90|
|Special Features||Contains Osmocote coated N-P-K blended with micronutrients and other fertilizer technologies, to deliver nutrition consistently within specified longevities.|
|Shipping Weight||53.11 lbs|
|Manufacturer||ICL Specialty Fertilizers (Mfg. Number: OS98605)|
The following application rates are intended for general container 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:
Incorporation Rates for Container Nursery Stock
Lb. per cubic yard
Kg. per cubic meter
Grams per Liter
Lb. per 1000 sq. ft.
Kg. per 100 sq. m.
Lb. of N per 1000 sq. ft.
Average Customer Rating
By Sunsetfigs on 03/23/2021
By James on 10/04/2019
When, how often, and amount for fertilizing with Osmote Biend (18-5-12)
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According to the manufacturer's product sheet, Osmocote Blend 18-5-12 (8-9M) generally works well in container grown nursery plants and is commonly used in landscape containers and flower beds, so it would likely work well for your purposes. However, for recommendations and treatment information specific to the Nellie Stevens Holly, you could consider reaching out to a local nursery in your area, or to the Master Gardener at your local county extension office.
Osmocote Blend 18 - 5 - 12 (8 - 9M) has a shelf life of approximately 3 years as long as it's stored in a dry, cool place and away from moisture.