ragweed

North America experiences tree pollen in the springtime, grass pollen in the summer and weed pollen, primarily ragweed, in the fall.

The first half of September typically features the peak of ragweed pollen, if you’re sniffling these days.

Of our ragweed not much can be set down that is complimentary, except that its name in the botany is Ambrosia, food of the gods.

Golden ragweed blazed in all the fields, and the swallows began to assemble for their journey south.

"Like a ragweed," she laughed, taking him into the kitchen, where she brought him a chair from the sitting-room.

It is bounded on the north by goldenrod, on the south by ragweed, on the east by asthma and the pollen of anemophylous plants.

Every year thousands of ragweed and groundsel seeds must be blown on to the shale-heap, but they never manage to grow there.