1. Killing frost will penetrate into the central Florida peninsula Monday morning.2. The summer growing season is short and often punctuated by killing frosts . 3. They were lost during two weeks of killing frost . 4. This phase begins in late spring and continues until the first killing frost . 5. The ragweed season usually ends by early October or by the first killing frost . 6. Killing frosts have been recorded as early as October and as late as May.7. Killing frosts would reduce growing seasons by 10 40 days per year for 5 years.8. John Beirne digs up cannas and dahlias after the killing frost _ sometimes as late as Thanksgiving. 9. High pressure near Toronto will produce a killing frost Thursday morning over much of the northern Appalachians. 10. Sow seeds indoors in potting soil six weeks before the average date of your last killing frost .
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