Slow Release Fertilizer

A.M. Leonard stocks a huge variety of effective slow and control release fertilizers fit for a variety of uses. From greenhouses to container plants, there is no shortage of applications that can benefit from timed-release fertilization techniques. A slow-release fertilizer over several months or years results in labor savings, a greater yield, more stable nutrition for your plants, and ultimately a more consistent growth quality. It is the perfect choice for professional landscapers, gardeners, and nursery workers looking for an economical alternative to water-soluble fertilizers.
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  1. Image 1 of the HyR BRIX Lawn Fertilizer 50 Pound Bag
    Rating:
    93%
    Lawn Fertilizer, 22-7-7, 45lb Bag by HyR BRIX
    $65.95
  2. Nutra Pro Tree and Evergreen Fertilizer, 3-Year Controlled Release Pack of 10
    Rating:
    100%
    Nutra Pro Tree and Evergreen Fertilizer, 3-Year Controlled Release Pack of 10
    $23.95
  3. Image 1 of the Florikan® 17-5-11 NPK Max, 140-Day Formula
    Rating:
    95%
    NPK Max 17-5-11 Fertilizer, 140-Day Formula by Florikan
    $126.95
  4. Image 1 of the Leonard 15-7-6 Tree Food for Trees and Shrubs, Box of 40 Stakes
    Rating:
    100%
    Fertilizer Stakes, 15-7-6 Formula for Trees and Shrubs, Box Of 40 Stakes by A.M. Leonard
    $55.95
  5. Image 1 of the Osmocote 18 6 12 Slow Release Fertilizer
    Rating:
    100%
    Osmocote 18-6-12 Slow-Release Fertilizer Lo-Start 50#
    $147.95
  6. Image 1 of the Leonard 8-16-16 Tree Food for Fruit and Ornamental Trees, Box of 40 Stakes
    Rating:
    100%
    Fertilizer Stakes, 8-16-16 Formula for Fruit and Ornamental Trees, Box Of 40 Stakes by A.M. Leonard
    $59.95
  7. Image 1 of the Florikan 20 4 9 NPK Plus 180 Day Formula
    Rating:
    100%
    Fertilizer, 20-4-9 NPK Plus, 180-Day Formula, 50lb Bag by Florikan
    $141.95
  8. Image 1 of the HyR BRIX Tomato Fertilizer 50 Pound Bag
    Rating:
    84%
    Tomato Fertilizer, 45lb Bag by HyR BRIX
    $69.95
  9. Image 1 of the Florikan 16 5 11 NPK MAX with Nanoprill 90 Day Formula
    Rating:
    87%
    Fertilizer, 16-5-11 NPK Max with Nanoprill, 90-Day Formula by Florikan
    $150.95
  10. Image 2 of the Anderson's All Purpose Fertilizer, 18-6-12
    Rating:
    100%
    Fertilizer, 18-6-12 All-Purpose Formula by The Andersons
    $102.27
  11. NC18682703S Image 1 of 2. NUTRICOTE 18-6-8 270 DAYS  3 STAGE TOTAL 50 LBS
    Rating:
    100%
    NUTRICOTE 18-6-8 270 DAYS 3 STAGE TOTAL 50 LBS
    $133.95
  12. Image 2 of the HyR BRIX Sweet Corn Fertilizer 50 Pound Bag
    Rating:
    100%
    Sweet Corn Fertilizer, 45lb Bag by HyR BRIX
    $102.95
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We stock slow-release fertilizers from top brands in the industry like Scott, Florikan, and NutriPak, plus our own premium-quality Leonard-brand products. Our customers love our selection of Leonard slow-release fertilizers. These time-release tablets provide trees, shrubs, and other plants with much-need nutrients at release rates of 3 months, 12 months, or 24 months. They are ideal for horticultural professionals seeking effective tree fertilization solutions at a great value.

Another option is our top-selling Florikan 3-4 Month Nano-Prill Time-Release Fertilizer, an advanced, economical controlled-release fertilizer that features a prill count ten times greater than standard controlled-release fertilizers. This is a safe and efficient solution to getting the most out of your grow operations.

Whatever your line of work or industry, there's no excuse to miss out on money- and time-saving techniques. Trust A.M. Leonard to deliver superior slow and control release fertilizers at competitive prices that you just can't ignore.