Sustane Organic Late Summer Lawn Fertilizer (4-6-4) – 30lb bag


  • Apply in August or September
  • Formulated to be applied directly with grass seed
  • Made from composted turkey litter, feather meal and sulfate of potash.
  • Applying grass seed with Sustane to an existing lawn promotes dense grass coverage and crowds out weeds.

30 pound bag

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Sustane Organic Late Summer Lawn Fertilizer (4-6-4) – 30lb bag

SKU 93335 Category


Sustane Organic Late Summer Lawn Fertilizer (4-6-4) is a great turf starter.  It is formulated to be applied directly with grass seed. Sowing additional applications of grass seed to an existing lawn is one of the best ways to promote a thick lawn free of weeds, without the use of chemicals. Suståne 4-6-4 combines high quality compost with organic phosphorus from composted turkey litter to provide the conditions that grass needs in order to establish. The composting process fully stabilizes the fertilizer, making it safe so it will not burn the grass seed. This allows the nutrients and beneficial biology to be applied directly where the seedling needs it.

Apply anytime new grass seed is being established. Grass establishes best during the cool, wet weather in the spring and fall. 30 pounds covers up to 5,000 ft.2 For overseeding, mix 6 pounds of Suståne Turf Starter with enough grass seed to cover 1,000 ft2 (2.9 kg of Suståne with enough grass seed for 100 m2). Apply 10 pounds per 1,000 ft2 if grass clippings are removed or if the turf is heavily used or intensively managed.

Available in:

30 pound bags.

Additional information

Weight 30 lbs