Mugwort
Artemisia

Wikimedia Commons / H. Zell
Botanical nameArtemisia
SeasonJul – Sep
Peak levelJul – Aug
Currently active
Mugwort flowers in high and late summer. As a member of the daisy family, it is one of the strongest allergens among herbs. Cross-reactions with celery, carrot and spices are known (celery-mugwort-spice syndrome).
Pollen Season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Season (Jul – Sep) Peak level (Jul – Aug)
Typical Symptoms
- Sneezing
- Itchy eyes
- Asthma
- Food allergies
Threshold Levels
LowModerateHighVery High
Low ≥ 5 grains/m³
Moderate ≥ 15 grains/m³
High ≥ 30 grains/m³
Very High ≥ 50 grains/m³
Thresholds based on European Aeroallergen Network (EAN) guidelines
Cross-Reactions
Celery(Celery-Mugwort-Spice Syndrome)
CommonCarrot(Celery-Mugwort-Spice Syndrome)
CommonBell pepper(Celery-Mugwort-Spice Syndrome)
OccasionalAnise(Celery-Mugwort-Spice Syndrome)
OccasionalCaraway(Celery-Mugwort-Spice Syndrome)
OccasionalChamomile(Celery-Mugwort-Spice Syndrome)
OccasionalTips for Allergy Sufferers
1Be cautious with celery, carrot, bell pepper and spices (cross-reaction)
2Mugwort often grows along roadsides and waste ground — avoid these areas
3Watch the pollen calendar: peak in July/August