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A killing frost is when the temperature has dropped below 32 degrees at least once.

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Q: What is the killing frost for ragweed pollen?
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Related questions

What is ragweed used for?

Ragweed is not typically used for any specific purpose due to its strong allergic potential. Ragweed pollen is a common trigger for hay fever and seasonal allergies in humans.


What kinds of allergies are most common?

Probably itchy eyes Mold, Ragweed, Dust, Pollen


What happens when a person who is allergic to ragweed encounters ragweed?

When a person allergic to ragweed encounters ragweed, their immune system may overreact to the pollen from the plant, triggering an allergic reaction. Symptoms can include sneezing, runny nose, itchy eyes, and congestion. In severe cases, it can lead to an asthma attack.


What is a plant that can induce sneezing?

One plant that can induce sneezing is ragweed. It produces pollen that can trigger allergic reactions, including sneezing, in some people.


What does ragweed look like?

Ragweed is a green plant with serrated leaves that resemble fern fronds. It produces small, yellow-green flowers that develop into mean-looking seed heads. Ragweed can grow up to 3 feet tall and is a common cause of hay fever due to its pollen.


What are Barack Obama's allergies?

The only ones that I know of are pollen and ragweed. If there are more, I don't know sorry... The only ones that I know of are pollen and ragweed. If there are more, I don't know sorry...


Can plants cause respiratory health hazards for humans?

Some plants cause some individuals to have allergies. The usual problems are weeds like ragweed, tree pollen, grass pollen, and mold.


What is the period between the last killing frost in the spring and the first killing frost in the fall?

"Growing season", just did the research.


where would i go to escape ragweed now i am in south weber utah?

Portland, Oregon and Seattle, Washington claim to be ragweed free. I live Utah and am hayfever free if I go into the mountains. If possible, you might stay in the mountains in the summer and in the valleys when the pollen is dormant.


What actors and actresses appeared in The First Killing Frost - 1986?

The cast of The First Killing Frost - 1986 includes: Della Cole as Jane


What is the scientific name or taxonomic classification of the plant Annual ragweed?

The scientific name for annual ragweed is Ambrosia artemisiifolia. It belongs to the plant family Asteraceae and is known for causing allergic reactions in many people due to its pollen.


What kind of ragweed has thorns?

Ragweed does not have thorns.