Frost dates for Glendale, 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
May 16
typical year
Safe to plant
June 7
frost is over in 9 of 10 years
First fall frost
October 30
typical year
Growing season
164 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 | – | Apr 18 – May 2 | – |
| Spinach | – | Apr 4 – 25 | Sep 4 – 18 |
| Lettuce | – | Apr 18 – May 9 | Sep 4 – 18 |
| Radishes | – | Apr 18 – May 30 | Sep 18 – Oct 2 |
| Onions | – | Apr 18 – May 2 | – |
| Potatoes | – | Apr 25 – May 9 | – |
| Carrots | – | Apr 25 – May 16 | Aug 7 – 21 |
| Beets | – | Apr 18 – May 2 | Aug 21 – Sep 4 |
| Kale | Mar 7 – 21 | Apr 18 – May 2 | Aug 21 – Sep 4 |
| Broccoli | Mar 7 – 21 | May 2 – 16 | Aug 21 – Sep 4 |
| Cabbage | Feb 21 – Mar 7 | Apr 18 – May 2 | Aug 21 – Sep 4 |
| Garlic | – | – | Sep 18 – Oct 9 |
| Warm-season crops | |||
| Tomatoes | Apr 12 – 26 | Jun 7 – 21 | – |
| Peppers | Apr 5 – 19 | Jun 14 – 28 | – |
| Cucumbers | – | Jun 7 – 28 | – |
| Zucchini | – | Jun 7 – Jul 5 | – |
| Pumpkins | – | Jun 7 – 28 | – |
| Green beans | – | Jun 7 – Aug 21 | – |
| Sweet corn | – | Jun 7 – Jul 5 | – |
| Basil | May 3 – 17 | Jun 14 – 21 | – |
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 | June 7 | May 16 | April 23 |
| Fall frost before | October 8 | October 30 | November 17 |
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 April 23 (May 17 in a late year), and the first one in fall around November 17.
Towns that use these dates
This is the nearest NOAA station with frost records for 1 town.
Glendale
Where these dates come from
NOAA weather station SEXTON SUMMIT, OR US (USW00024235), 1991–2020 climate normals. It's the nearest station for 5 zip codes, all within 16 miles:
97442, 97497, 97526, 97532, 97537
Planting dates follow common university extension advice; your local extension service can fine-tune them for your soil and microclimate.