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The most convenient, fast and dose-controlled way to feed plants. 

No measuring, no special equipment, no waste. Your plants receive the even feed slow release nutrients over time as needed. The Suståne 4-6-4 Root Zone Feeder Packs feed plants up to 4 months.

Designed for dual application for the avid organic gardener, this permeable fertilizer pack can be left to steep in a watering can overnight to make a Compost Tea brew for a soil-drench application; or planted in the soil or potting mix as a Root Zone Feeder Pack when potting.

Feeder Pack Directions
Place into the root zone of potted or bed grown plants at planting or re-potting time. Use to improve transplant success of perennial woody plants.

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Benefits of Natural Organic 4•6•4 Suståne® Root Zone Feeder Packs
  • For use with all types of flowers, trees, and shrubs
  • Conveniently feeds plants in pots and outdoor beds
  • Easy to use liquid organic fertilizer supplement
  • Feeds and activates beneficial microbes that improve nutrient availability to plants
  • Promotes healthy soils which may suppress soil-borne diseases and pathogens 
  • Permeable biodegradable paper filter packets
 Also contains non-plant food ingredients:

Contains 50,000 Colony Forming Units (CFU’s) per gram of the following species:
Bacillus amyloliquefaciens.........................................10,000 CFU’s per gram
Bacillus subtilis..........................................................10,000 CFU’s per gram
Bacillus pumilus.........................................................10,000 CFU’s per gram
Bacillus licheniformis.................................................10,000 CFU’s per gram
Bacillus megaterium................................................. 10,000 CFU’s per gram

Item # 
Suståne 4-6-4 Root Zone Feeder Packs
Units / Case
Package Size
Units / Pallets
80-20-2020
 5 bags (50) / case
(250 paks per case)
(50) 21 g bags
96 cases / pallet

Guaranteed Analysis

Total Nitrogen (N)
0.4% Ammoniacal Nitrogen
0.4% Other Water Soluble Nitrogen
3.2% Water Insoluble Nitrogen*
 4%
Available Phosphate (P2O5) 6%
Soluble Potash (K2O) 4%
Calcium (Ca) 4%

Derived from aerobically composted turkey litter, feather meal, and sulfate of potash.
*3.2% slowly available nitrogen from aerobically composted turkey litter and feather meal.