Frost dates in Garden Grove, IA
The average last spring frost in Garden Grove is around April 28 and the first fall frost is around October 4. That gives Garden Grove an average growing season of about 159 days.
Last spring frost
| Early (10% chance after) | April 15 |
|---|---|
| Average (50%) | April 28 |
| Late (90%) | May 12 |
First fall frost
| Early (10%) | September 21 |
|---|---|
| Average (50%) | October 4 |
| Late (90% chance before) | October 23 |