Root Feeder Cartridges Feed Your Plants at the Roots
Deliver proper concentrated plant food directly to your tree or plant's root system. Evergreen Cartridges (No. 152270), Fruit, Nuts and Tomatoes Cartridges (No. 152272) and Tree and Shrub Cartridges (No. 152278) available. For use with Heavy-duty Root Feeder (No. 152266), sold separately.