Where zone 6b shows up
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Beckley, WV | 6b | Apr 22 | Oct 21 | 182 |
| Detroit City, MI | 6b | Apr 21 | Oct 31 | 193 |
| Dodge City, KS | 6b | Apr 21 | Oct 20 | 182 |
| Hartford, CT | 6b | Apr 21 | Oct 16 | 178 |
| Indianapolis, IN | 6b | Apr 12 | Oct 29 | 200 |
| Kansas City, MO | 6b | Apr 13 | Oct 24 | 194 |
| Spokane, WA | 6b | Apr 26 | Oct 12 | 169 |
| Toledo, OH | 6b | Apr 22 | Oct 24 | 185 |
| Columbus, OH | 6b | Apr 24 | Oct 20 | 179 |
| Detroit, MI | 6b | Apr 26 | Oct 21 | 178 |
| South Boston, MA | 6b | Apr 24 | Oct 17 | 176 |
| Cleveland, OH | 6b | Apr 24 | Oct 26 | 185 |
| Lexington-Fayette, KY | 6b | Apr 16 | Oct 24 | 191 |
| Cincinnati, OH | 6b | Apr 20 | Oct 23 | 186 |
| Meads, KY | 6b | Apr 21 | Oct 22 | 184 |
| Rochester, NY | 6b | Apr 27 | Oct 22 | 178 |
| Worcester, MA | 6b | Apr 29 | Oct 12 | 166 |
| Akron, OH | 6b | Apr 24 | Oct 26 | 185 |
| Overland Park, KS | 6b | Apr 11 | Oct 27 | 199 |
| Springfield, MO | 6b | Apr 13 | Oct 23 | 193 |
| Kansas City, KS | 6b | Apr 14 | Oct 24 | 193 |
| Olathe, KS | 6b | Apr 11 | Oct 27 | 199 |
| Warren, MI | 6b | Apr 26 | Oct 21 | 178 |
| Columbia, MO | 6b | Apr 9 | Oct 27 | 201 |
| Topeka, KS | 6b | Apr 16 | Oct 21 | 188 |
| Allentown, PA | 6b | Apr 25 | Oct 19 | 177 |
| West Jordan, UT | 6b | May 11 | Oct 8 | 150 |
| Cambridge, MA | 6b | Apr 24 | Oct 17 | 176 |
| Dorchester, MA | 6b | Apr 24 | Oct 17 | 176 |
| Brockton, MA | 6b | Apr 24 | Oct 17 | 176 |
| Dearborn, MI | 6b | Apr 26 | Oct 21 | 178 |
| Lee's Summit, MO | 6b | Apr 11 | Oct 26 | 198 |
| Spokane Valley, WA | 6b | May 7 | Oct 1 | 147 |
| Livonia, MI | 6b | Apr 26 | Oct 21 | 178 |
| Lawrence, KS | 6b | Apr 14 | Oct 24 | 193 |
| Quincy, MA | 6b | Apr 24 | Oct 17 | 176 |
| Sandy Hills, UT | 6b | May 11 | Oct 8 | 150 |
| Newton, MA | 6b | Apr 24 | Oct 17 | 176 |
| Sandy, UT | 6b | May 11 | Oct 8 | 150 |
| Bend, OR | 6b | Jun 1 | Sep 21 | 112 |
| Canton, MI | 6b | Apr 26 | Oct 21 | 178 |
| O'Fallon, MO | 6b | Apr 10 | Oct 26 | 199 |
| Parkersburg, WV | 6b | Apr 24 | Oct 22 | 181 |
States with zone 6b ground
Connecticut
Indiana
Kansas
Kentucky
Massachusetts
Michigan
Missouri
New York
Ohio
Oregon
Pennsylvania
Utah
Washington
West Virginia
Bottom line: zone 6b tells you what will survive your
winter. It does not tell you when to plant — two zone-6b gardens in this list are
53 days apart on last frost.
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