Recent Examples of ragweed from the Web
In general, pollen is emerging earlier in the year and the season is stretching out longer and longer, especially pollen from ragweed.
Tree pollen and ragweed pollen is not expected to make an impact.
Peppers + Pigweed Leafminers preferred both pigweed and ragweed to pepper plants in a study at the Coastal Plains Experiment Station in Tifton, Georgia.
Tree and ragweed pollen is expected to be low to nonexistent.
Grass pollen tends to peak in mid-May, while ragweed pollen is typically most pervasive in early September.
Different people have different allergens, but the most common outdoor, seasonal allergies are tree, grass, and weed pollen, as well as ragweed, a plant that grows wild almost everywhere across the US.
Like ragweed in the spring, mock drafts are unavoidable and often the harbinger for general, unwelcome sickness.
That means to all allergy sufferers that while goldenrod pollen is heavy and sticky, just right for honeybee pollination, ragweed is wind pollinated.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ragweed.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
RAGWEED Defined for English Language Learners
Definition of ragweed for English Language Learners
: any one of a group of North American plants that release a lot of pollen into the air and that can cause allergic reactions in some people
RAGWEED Defined for Kids
medical Definition of ragweed
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