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Pollen and Mold Center
Mulberry Family (Moraceae Family) - OSAGE ORANGE


Get readings about Mulberry aeroallergens.

Three important genera:
Mulberry (Morus), Paper Mulberry (Broussonetia), and Osage Orange (Maclura)

Tree pollen is dominant in the spring.
Mulberry pollen season extends from March to May.
Paper mulberry pollen season extends from February to May.
Osage orange pollen season extends from April to June.

Mulberry, Paper Mulberry, and Osage Orange trees in Missouri:
  • Osage Orange or Hedge Plant(Maclura pomifera)
  • Paper Mulberry (Broussonetia papyrifera)
  • White Mulberry (Morus alba, M. tartarica)
  • Red Mulberry (Morus rubra)
Facts about Mulberry, Paper Mulberry, and Osage Orange
  • Mulberries are small trees (less than 40 feet high) and provide dense shade.
  • Russian mulberry (Morus alba tatarica) is the most commonly-planted mulberry.
Mulberry, Paper Mulberry, and Osage Orange allergenicity
  • The Paper mulberry and Osage orange are important allergenic plants which bloom in April and May.
  • Mulberry sheds large quantities of pollen, but only occasional cases of hay fever have been traced to it.