| 21. | Freezing temperatures lasted six to eight hours, enough to cause damage to fruit but sparing the trees a killing frost.
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| 22. | In particular, petunias ( especially Supertunias, Surfinias and Petunia integrifolia ) and verbenas keep performing reliably until killing frost.
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| 23. | Fruit trees are also budding and blossoming on time, which lessens the chance of a killing frost as summer approaches.
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| 24. | Achenes directly sown after the last frost grow to flowering in 8 to 12 weeks, and continue until killing frost.
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| 25. | Development by the Tiwanaku of this kind of protection against killing frosts in an agrarian civilization was invaluable to their growth.
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| 26. | "It's a celebration of the final harvest marked by the first killing frost, " she explains.
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| 27. | Indian summer, which is now just a killing frost away, is one of those seasonal images that define New England.
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| 28. | Soybeans jumped as cool weather settling over the Midwest raised concern the crop won't mature in time to avoid a killing frost.
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| 29. | Unlike all of the previous Frost novels, A Killing Frost was not adapted in to a television episode of A Touch of Frost.
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| 30. | Forecasts early in the day called for the possibility of a killing frost by the middle of next week in parts of Iowa and Minnesota.
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