
"Preserving the future,
one seed at a time." ™


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Average Last and First Frost Dates
for Oregon
Based on statistics, there is a 10% chance that a frost will occur outside
of the dates listed. Whether or not a specific plant will be damaged
depends on the type of plant, the maturity of the plant, the temperature,
the duration, as well as many other variables.
Informational Resources for Gardeners in Oregon
City |
Spring |
Fall |
Antelope |
6/20 |
9/5 |
Arlington |
5/7 |
9/30 |
Ashland |
6/2 |
9/26 |
Baker
City Airport |
6/29 |
8/26 |
Bandon |
5/19 |
10/12 |
Bend |
7/28 |
8/4 |
Beulah |
6/6 |
9/10 |
Bonneville
Dam |
4/28 |
11/5 |
Brookings |
4/12 |
11/17 |
Clatskanie |
5/4 |
10/23 |
Cloverdale |
5/8 |
10/30 |
Condon |
6/22 |
9/11 |
Corvallis |
5/11 |
10/8 |
Cottage
Grove |
6/11 |
9/16 |
Crater
Lake (National Park HQ) |
7/26 |
8/1 |
Dallas |
5/29 |
9/26 |
Drain |
5/23 |
9/24 |
Dufur |
6/18 |
9/10 |
Enterprise |
7/23 |
8/9 |
Estacada |
5/5 |
10/15 |
Eugene |
5/22 |
10/1 |
Forest
Grove |
5/15 |
9/30 |
Fossil |
7/18 |
8/19 |
Gold
Beach |
4/12 |
11/6 |
Grants
Pass |
5/14 |
9/26 |
Grizzly |
7/29 |
8/9 |
Halfway |
7/3 |
8/28 |
Heppner |
5/28 |
9/21 |
Hood
River |
5/23 |
9/24 |
Huntington |
5/17 |
9/22 |
Kent |
6/17 |
9/19 |
Klamath
Falls |
6/28 |
8/31 |
La
Grande |
6/11 |
9/9 |
Lakeview |
6/26 |
9/5 |
Madras |
7/4 |
8/18 |
McMinnville |
6/4 |
9/8 |
Milton
Freewater |
5/3 |
9/24 |
Newport |
5/10 |
10/18 |
North
Bend |
4/11 |
10/30 |
Ontario |
6/3 |
9/14 |
Oregon
City |
4/28 |
10/18 |
Otis |
5/9 |
10/22 |
Paisley |
7/1 |
8/21 |
Pendleton |
5/3 |
10/5 |
Portland |
4/26 |
10/18 |
Powers |
5/10 |
10/6 |
Prineville |
7/25 |
8/6 |
Redmond
Airport |
7/17 |
8/20 |
Reedsport |
5/10 |
10/17 |
Riddle |
5/15 |
9/29 |
Roseburg |
5/19 |
10/11 |
Salem |
5/22 |
9/28 |
Seaside |
5/2 |
10/11 |
Silver
Creek Falls (Silverton) |
6/17 |
9/2 |
Stayton |
5/13 |
9/27 |
Tillamook |
5/28 |
9/22 |
Union |
6/12 |
9/2 |
Vale |
6/2 |
9/16 |
Source: "Climatography of the U.S. No. 20,
Supplement No. 1", 1988, National Climatic Data Center,
National Oceanic and Atmospheric Administration, U.S. Department of
Commerce.
Click Here for more detailed information and additional weather station
choices.
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