Spring Valley - 5-28-0 Crystal Green Fertilizer 10% Mg - SGN 90 - 50 LB BAG

Spring Valley - 5-28-0 Crystal Green Fertilizer 10% Mg - SGN 90 - 50 LB BAG
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Spring Valley - 5-28-0 Crystal Green Fertilizer 10% Mg - SGN 90 - 50 LB BAG

SKU: SV2002175
  • Sold Individually. Manufacturer Pallet Size = 40
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Only available for sale in our authorized territories in IA,IL,IN,KS,MI,MN,MO,ND,NE,SD,WI Restrictions may apply. Call (800) 785-3301 with any questions
  • Lowers application rates and costs, minimizes nutrient loss and builds a denser, stronger root mass
  • Minimizes excess phosphorus in the soil, lowers the risk of leaching and runoff, and provides P as roots require it
  • Increases color vibrancy and optimizes healthy turf
  • No plant burn – safe to plant near seeds and transplants
  • Previous Part Number: 6600109

Crystal Green is the first slow-release nutrient technology to offer plant-available phosphorus, with nitrogen and magnesium, in one citrate-soluble granule. It provides your turf with a slow-release and environmentally responsible fertilizer, delivering consistent, plant-activated nutrients, right when the roots need it most. The low water solubility in Crystal Green means the granules do not dissolve in water, and are instead released as the plant requires the nutrients.

How it works
As turfgrass grows it produces organic acids, such as citrates, to help roots absorb nutrients. Formulated with citrate-soluble phosphorus, plus nitrogen and magnesium, Crystal Green granules have low water solubility, releasing slowly in response to organic acid production, gradually supplying the soil solution with nutrients to meet plant demand. This plant-activated nutrient release minimizes excess phosphorus in the soil, lowering the risk of leaching and runoff while providing the turf a season-long supply of phosphorus as the roots require it.

Sustainable Phosphorus
Crystal Green addresses the necessary balance between adequate plant health and environmental stewardship. Crystal Green is not simply an enhanced efficiency fertilizer, it is also the most environmentally responsible source of phosphorus available.
The sustainable “cradle-to-cradle” solution safeguards precious water resources at both ends of the water-nutrient cycle. First, essential nutrients are recovered, such as phosphorus and nitrogen, from process water streams, thereby preventing them from entering the watershed in the first place. Then these nutrients are transformed into a viable alternative to conventional phosphorus fertilizer, which, in turn reduces the risk of fertilizer leaching and runoff into adjacent waterways, due to its slow-release and citrate-soluble formulation.

Crystal Green is a 99.9% pure, crystalline compound and a slow-release form of phosphorus, nitrogen and magnesium. Slow-release means season-long availability and reduced risk of runoff into adjacent waterways. The nutrients remain in the soil for improved plant performance, greener plants and significant cost and time savings, while providing environmental benefits. Providing sustained, season-long nutrients, Crystal Green lowers application rates and costs, minimizes nutrient loss and builds a denser, stronger root mass.

Denser Root Mass
Unlike conventional monoammonium phosphate (MAP) or diammonium phosphate (DAP) fertilizers, Crystal Green lasts all season long, minimizing application rates and facilitating winter survival and rapid spring green up.

This product is a premium micro-sized fertilizer that is ideal for the nutrient demands of top quality performance particularly on golf fairways, athletic fields and other short-cut turf areas. The precise control of nitrogen release combined with low salt ingredients promotes a superior, sustained color response that produces the visual appeal and the championship playability turf professionals desire. The micro-granular particles are uniformly sized for even application that will quickly settle beneath the turf canopy with minimal effect on ball roll or mower pick-up.

Active Ingredient: Derived from: Magnesium Ammonium Phosphate Hexa-hydrate.

Use Sites:

  • Golf fairways
  • Athletic fields
  • Short cut turf areas


Not applicable


For optimum performance, begin spring applications just before soil temperatures reach 50 degrees F. Although nitrogen can be applied at the rate of 1.0 LB/1,000 SQ FT every 8 weeks, it is also recommended that lighter, half-rate applications be made each month, especially during hot, dry periods. Continue scheduled feedings throughout the growing season until soil temperature retreats to below 50 degrees F. Late fall and dormant feedings are recommended after soil temperatures remain below 50 degrees F for several consecutive days and turf growth has slowed considerably.

Apply product evenly with a calibrated spreader. For best results, irrigating after applications will aid in granule penetration in close-cut dense turf. Removing grass catchers for initial mowing will minimize particle pick-up.

*Southern turf grasses, including St. Augustine and hybrid Bermuda grasses may require higher levels of nitrogen for optimum performance

See Label for complete application instructions.



See Label for complete restrictions.

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