1 Pain that does not diminish with rest, and pain that may be worse at night than during the day. 2  Back pain along with constitutional symptoms, such as loss of appetite, unplanned weight loss, nausea, vomiting, or fever, chills or shakes.
Onions produce the chemical irritant known as syn-propanethial-S-oxide. It stimulates the eyes' lachrymal glands so they release tears. Scientists used to blame the enzyme allinase for the instability of substances in a cut onion.
The soil should be moist, but not soggy. A great way to check to see if your green onions need watering is the finger test. Simply stick your finger in the soil down to the second knuckle near the green onion plan. If the soil feels moist there is no need to water. If the soil feels dry go ahead and water well.