Sustane 4-6-4 Medium Grade


Size: 50lb Bag
Sale price$83.36


It's not possible to use all fertilizers in gardens, especially those grown organically. Sustane 4-6-4 is an all-natural fertilizer containing a blend of plant nutrients and organic substances, including naturally derived potash. It can be used in the production of organic fruits and vegetables and is also ideal for use in tree, shrub and landscape management programs.

What's in Sustane 4-6-4?

Sustane all-natural and organic fertilizer contains 4 percent nitrogen, 6 percent phosphate and 4 percent potash (K2O). These are three primary ingredients needed for healthy growing plants. It also contains a blend of added micronutrients like calcium, magnesium, iron and zinc, along with organic matter derived from compost and bone meal. It's safe to use in any organic program and delivers the necessary ingredients for flowers, turfgrass and more.

Where to Use Sustane 4-6-4

Sustane organic fertilizer can be used on vegetables, fruits and flowers to improve their growth, color and development. It's also ideal for use on landscape beds and trees, as well as for shrub establishment. It can be combined with potting soil mixes and used as a starter fertilizer for turfgrass. It's perfect for turf establishment and seeding, including new construction laying sod, and sprigging. Use it for land management and native plant restoration programs, as well as for growing organic crops. It's perfect for home and professional use.

Target Uses

Whether it's time to reseed a lawn or to grow some organic vegetables, Sustane is the perfect fertilizer for establishing stronger, healthier turfgrass, plants and flowers. Incorporating this nutrient-rich plant food with potting soil mixes and container substrates provides the ideal growing environment for flowers and other plants. It helps the plants deal with changing pH levels in the soil and strengthens the plants from the damaging effects of extreme heat and drought.

Sustane 4-6-4 Features and Benefits

Sustane 4-6-4 is free of pathogens and weeds and doesn't contain any blood or meat products. It's all natural and contains beneficial fungi that are a necessary part in creating nutrient-rich soil. It's fully composted and contains the right balance of micronutrients to strengthen the plants' tolerance to hot and dry conditions. Some of the main reasons to use Sustane all-natural fertilizer include:

  • Increases the nutrient-holding capacity of the soil
  • Helps to create stronger, more resilient root systems
  • Improves buffering when the soil goes through pH changes
  • Causes the soil to hold more water for improved root development
  • Can be added to soil mixes, vegetables, turfgrass, flower beds and more

Sustane 4-6-4 All-Natural Plant Food

Sustane 4-6-4 is a turf starter and an all-natural plant food in one, containing humus and all the vital ingredients for plant health. It delivers a consistent supply of nitrogen over time thanks to its slow-release formula. It protects the roots from drought stress and promotes rapid root development. Use it for the production of organic fruits and vegetables, or apply it to the landscape when establishing new turf. Whether it's for a garden or to help with seeding, feed the plants with Sustane.


Manufacturer Sustane
Active Ingredient 4-6-4 Organic Slow Release
Container Size 50lb bag
Application Amount See label for details.


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Customer Reviews

Based on 1 review
Timothy McCarthy
A little of a good thing, with respect to Sustane 4-6-4, goes a long way

Having planted ornamentals and tress by the hundreds of thousands, one does get particular when from success.
We politely decline any other ratio or brand since working with Sustane’s 4-6-4.
It has been as reliable as we have repeatedly verified. Just do not have need to otherwise experiment. Thank you very much.

Thank you for sharing your positive experience about Sustane 4-6-4 with us!

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