Frost dates for Tillamook, OR
When the last spring frost and first fall frost usually come, and when to plant, from 30 years of NOAA weather records.
Last spring frost
April 5
typical year
Safe to plant
May 4
frost is over in 9 of 10 years
First fall frost
November 4
typical year
Growing season
219 days
frost-free, typical year
Frost watch this week
Tonight's and the next six nights' lows from the National Weather Service forecast for the station's location. Frost: 32°F or colder. Possible frost: 33–36°F, mostly in low spots on clear, still nights.
When to plant
Counted from this page's frost dates. Warm-season crops wait for the safe-to-plant date.
| Crop | Start indoors | Plant outside | Fall planting |
|---|---|---|---|
| Cool-season crops | |||
| Peas | – | Mar 8 – 22 | – |
| Spinach | – | Feb 22 – Mar 15 | Sep 9 – 23 |
| Lettuce | – | Mar 8 – 29 | Sep 9 – 23 |
| Radishes | – | Mar 8 – Apr 19 | Sep 23 – Oct 7 |
| Onions | – | Mar 8 – 22 | – |
| Potatoes | – | Mar 15 – 29 | – |
| Carrots | – | Mar 15 – Apr 5 | Aug 12 – 26 |
| Beets | – | Mar 8 – 22 | Aug 26 – Sep 9 |
| Kale | Jan 25 – Feb 8 | Mar 8 – 22 | Aug 26 – Sep 9 |
| Broccoli | Jan 25 – Feb 8 | Mar 22 – Apr 5 | Aug 26 – Sep 9 |
| Cabbage | Jan 11 – 25 | Mar 8 – 22 | Aug 26 – Sep 9 |
| Garlic | – | – | Sep 23 – Oct 14 |
| Warm-season crops | |||
| Tomatoes | Mar 9 – 23 | May 4 – 18 | – |
| Peppers | Mar 2 – 16 | May 11 – 25 | – |
| Cucumbers | – | May 4 – 25 | – |
| Zucchini | – | May 4 – Jun 1 | – |
| Pumpkins | – | May 4 – 25 | – |
| Green beans | – | May 4 – Aug 26 | – |
| Sweet corn | – | May 4 – Jun 1 | – |
| Basil | Mar 30 – Apr 13 | May 11 – 18 | – |
Onions: from sets. Green beans: until 10 weeks before the first fall frost. Garlic: harvest next summer.
The year at a glance
Start indoors Plant outside Fall planting
The chance of frost, by date
| 1 year in 10 | Half of years | 9 years in 10 | |
|---|---|---|---|
| Spring frost after | May 4 | April 5 | March 1 |
| Fall frost before | October 13 | November 4 | December 7 |
Frost here means 32°F or colder. Read across: in 1 year in 10, spring frost carries on past the first date, which is why that date is the safe-to-plant date.
Hard freeze (28°F)
A hard freeze kills most garden plants, even hardy ones. The last one in spring usually comes around February 19 (March 26 in a late year), and the first one in fall around December 4.
Where these dates come from
NOAA weather station TILLAMOOK 6SE, OR US (USC00358498), 1991–2020 climate normals. It's the nearest station for 2 zip codes, all within 12 miles:
97108, 97141
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.