Feed as you water—save time, labor and money!
Use with the Ross professional root feeder (item #120RF). The feeder attaches to your hose, and takes the concentrated plant food right down to the roots. Chamber holds at least 4 cartridges.
Ross Evergreen Fertilizer Cartridges for Evergreens, Azaleas, Rhododendrons (10-20-20 formula); box of 54 cartridges.