Whitefly on Marjoram in Melbourne: Organic Spray Treatment

Whiteflies (tiny white insects, white spots on leaves) confirmed. Treatment:

1. Vacuum around plants.
2. Yellow sticky traps in pots.
3. Spray undersides with insecticidal soap (lemon dish soap best) or horticultural oil, or mix both.
4. Repeat weekly until controlled.
5. Rinse before eating—sprays are food-safe.
6. Harvest leaves to reduce spray area.
7. Watch for non-edibles (e.g., lobelia) in same pot.

All sprays safe for consumption after rinsing.