Sustane 4-6-4 21G Root Feeder (250/Cs) OMRI Sold by Case

This permeable fertilizer pack can be left to steep in a watering can overnight to make a Compost Tea brew for topical application; or installed in the soil or potting mix as a Root Zone Feeder Pack. Suståne 4-6-4 Root Zone Feeder Packs provide single dose applications of Suståne organic slow release nitrogen fertilizer. Suståne Feeder Packs are designed to provide lasting plant nutrition in a completely biodegradable filter pack. Suståne 4-6-4 Root Zone Feeder Pack is designed for use in all flowers, trees, shrubs and perennial plantings including landscape areas, potted plants and hanging baskets.