10 Worst Plants for Your Allergies


Mulberry trees were imported to the United States from China as part of an attempt to establish the silkworm industry. Mulberries are a silkworm's natural food source. Mulberries produce flowers and fruit, and the flower's pollen is wind-borne and highly allergenic. Mulberry trees are also popular ornamental trees, and you'll often see them planted along a street. And mulberries are edible, of course.

Mulberry tree facts:

  • Appearance: The mulberry tree ranges in size from 20 to 60 feet tall. It has shiny, lobed leaves. Its fruit is about an inch or so long, and is pink to dark red in color.
  • Peak time: Mulberry trees peak from winter to summer, but it flowers in the spring. Blooms are small, greenish-yellow, and spiky.
  • Location: You'll find mulberry trees in woods and river valleys in the eastern and western United States.

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