Considerations When Selecting a Systemic or Non-systemic ...
Jan 16, 2014·"Systemic pesticide chemicals designed to kill insects will be present in the plant’s flowers, fruits and seeds, essentially poisoning them." Systemic pesticides are thought to be unsuitable as they affect the plant as a whole. Whether they are taken up via the roots or from absorption through spraying the leaves, pesticide chemicals cannot be removed/flushed from the plant.