Osmocote Smart-Release Plant Food Plus
Best long-term fertilizer for busy gardeners managing diverse indoor and outdoor plants.
Nourish your indoor and outdoor plants for up to six months with Osmocote Smart-Release Plant Food Plus. This versatile formula delivers 11 essential nutrients, suitable for nearly all plant varieties and growing conditions. Its slow-release action ensures consistent feeding, while its plant-safe formulation prevents burning. A single pound effectively covers approximately 37.5 square feet, providing long-lasting care for your greenery.
$15.99
Owner Satisfaction
4.7
/ 5
Category Rank
50
/ 4425
#50 in Fertilizers
Price vs Category Average
-74%
Below average
Release Type
Slow Release
/ Slow Release
Who it's for
- Busy gardeners wanting a set-it-and-forget-it feeding schedule
- Plant owners worried about damaging delicate root systems
- Home growers seeking an all-in-one nutritional solution
Who should skip it
- Budget-conscious gardeners managing large outdoor landscapes
- Gardeners living in regions with cooler growing seasons
- People needing an urgent fix for nutrient-deficient plants
Performance breakdown
Feeding Longevity
Six months of consistent nutrition minimizes the need for frequent reapplication.
Nutrient Versatility
Eleven essential nutrients support a wide range of indoor and outdoor species.
Application Safety
Smart-release technology effectively eliminates the risk of accidental root burn.
Coverage Efficiency
One pound provides reliable, dense coverage for standard residential garden spaces.
Ease of Use
Simple granular application makes professional-grade feeding accessible for every gardener.
Formula Stability
Slow-release pellets maintain structural integrity across varying moisture and temperature levels.
Key Specs
Release Type
Slow Release
Coverage Area
37.5 sq. ft.
Duration of Effectiveness
6 months
Container Weight
1 lb.
Target Plant Type
Trees and Shrubs, Houseplants
Water Soluble
False
Features
- Extended feeding for up to 6 months
- Contains 11 essential nutrients
- Safe for all plant types
- Prevents plant burning
- Covers 37.5 sq. ft. per pound
- Ideal for indoor and outdoor use
What customers say
Customers view Osmocote Smart-Release Plant Food Plus as the standard for slow release nutrition, primarily valuing its effectiveness and unparalleled convenience. The six month formula offers a true set it and forget it experience, delivering visible, sustained results across diverse plants. Reviewers consistently note significant improvements in plant vigor, foliage, and blooming. The smart release technology provides reliable, consistent nutrition without burning sensitive plants. Although the initial cost is higher, the long lasting performance and time saved offer exceptional value. Overall satisfaction is deep, positioning this product as a trusted, essential tool for reliable, hassle free plant feeding.
Know before you buy
You only need to apply this fertilizer once every six months. Its slow-release technology provides a consistent supply of nutrients to your plants throughout that entire period.
Yes, this formula is designed to be versatile. It is safe and effective for a wide range of plants, including indoor houseplants, outdoor trees, and shrubs.
Osmocote Smart-Release is formulated to be plant-safe. The slow-release granules are designed to prevent the nutrient spikes that typically cause fertilizer burn.
A single one-pound container covers approximately 37.5 square feet. This makes it a practical choice for small to medium-sized garden beds or a collection of potted plants.
No, this is a granular, slow-release product rather than a water-soluble fertilizer. The nutrients are released gradually through the coating of the granules as they are exposed to moisture and temperature changes in the soil.
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