Planting calendar for Oregon

Short answer

Most of Oregon is in climate zone 4, with an average last spring frost around Mar 30 and first fall frost around Nov 10. Plant hardy crops before the last frost, tender crops after. Enter your ZIP for dates tuned to your exact area.

Last spring frost

Mar 30

First fall frost

Nov 10

Climate zone(s)

4, 5

Crop	Start indoors	Plant outside	Harvest
Peas	—	Feb 23	Apr 24
Spinach	—	Feb 23	Apr 9
Radishes	—	Mar 2	Mar 30
Kale	Feb 23	Mar 2	Apr 26
Onions	Jan 19	Mar 2	Jun 10
Lettuce	Mar 2	Mar 9	Apr 28
Carrots	—	Mar 9	May 18
Beets	—	Mar 9	May 3
Broccoli	Feb 16	Mar 16	May 20
Cabbage	Feb 16	Mar 16	May 25
Potatoes	—	Mar 16	Jun 14
Cilantro	—	Mar 16	Apr 30
Zucchini / squash	Mar 9	Apr 6	May 26
Green beans	—	Apr 6	May 31
Sweet corn	—	Apr 6	Jun 20
Tomatoes	Feb 16	Apr 13	Jun 27
Peppers	Feb 2	Apr 13	Jul 2
Cucumbers	Mar 9	Apr 13	Jun 7
Pumpkins	Mar 16	Apr 13	Aug 1
Basil	Feb 16	Apr 13	Jun 12

Dates use zone 4 (most of Oregon); colder areas run later. Enter your ZIP in the calculator for your exact zone.

Your exact area

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Frequently asked questions

When is the last frost in Oregon?

Most of Oregon (zone 4) averages its last spring frost around Mar 30 and first fall frost around Nov 10. Colder parts of the state run later in spring.

When should I plant tomatoes in Oregon?

Set tomato transplants out around Apr 13 in most of Oregon — a couple of weeks after the last frost. Start seeds indoors about Feb 16.

What is the growing season in Oregon?

Roughly Nov 10 minus Mar 30 for zone 4. Cool-season crops extend it on both ends; enter your ZIP for your exact dates.