Get readings about Plantain aeroallergens.

Weed pollen is dominant in the Fall.
Plantain blooms during grass season from May until November.

• Heartleaf Plantain (Plantago cordata)
• Common Plantain (Plantago major)
• Rugel Plantain (Plantago Rugelii)
• English Plantain (Plantago lanceolata)
• Bracted Plantain (Plantago aristata)
• Salt-and-pepper Plant (Plantago Purshii)
• Hoary Plantain (Plantago virginica)

• Rugel plantain is the most common broad-leaved plantain in Missouri.

• English plantain produces more pollen than the other plantains and is the most active allergen. It blooms in May and June.
• Rugel plantain has the potential to cause hay fever, but the pollen is produced in such small quantities that it is considered of no importance as an allergen.