Root Aphids Below The Surface

Hungry looking CBD plants that stay small no matter how much they are fed, with leaves yellowing from the bottom, may have root aphids, which cluster on the roots and leave a white waxy residue that looks like mould at the drainage holes. The winged adults get mistaken for fungus gnats, but they are chunkier and slower. How to check a root ball, and why most sprays do nothing while a soil drench and nematodes work, is described on https://calmcbdseeds.com. They came in with a bag of cheap compost.