Frost dates in Blanchard, IA
The average last spring frost in Blanchard is around April 23 and the first fall frost is around October 9. That gives Blanchard an average growing season of about 169 days.
Last spring frost
| Early (10% chance after) | April 7 |
|---|---|
| Average (50%) | April 23 |
| Late (90%) | May 7 |
First fall frost
| Early (10%) | September 27 |
|---|---|
| Average (50%) | October 9 |
| Late (90% chance before) | October 29 |