Frost Dates for Troutdale, OR 97060
Last spring frost April 5 · First fall frost November 11 · 220 frost-free days · USDA Zone 9a
ZIP 97060 has about 21,600 people.
Long season: 220 frost-free days. Spring frost risk spans March 10–May 2 (53 days). Fall frost risk spans October 11–December 12 (62 days).
Frost probability for 97060
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 2 | April 5 | March 10 |
| Fall (first frost) | October 11 | November 11 | December 12 |
Dates come from NOAA 1971–2000 freeze probabilities at HEADWORKS PORTLAND WTR B (19.3 km away); the 50% date is the median year.
Which crops fit a 220-day season in Troutdale
In Troutdale (220 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Mar 1 | Apr 19–Apr 26 | 178 | fits: 80 days to maturity, 178 available after Apr 19. | Jul 12 |
| Pepper | Feb 22 | Apr 19–Apr 26 | 178 | fits: 75 days to maturity, 178 available after Apr 19. | Jul 17 |
| Lettuce | Feb 8 | Mar 8–Mar 15 | 255 | two-plantings: Plant Mar 8 and again by Sep 20; both mature before Nov 18. | Sep 20 |
| Carrots | — | Mar 15–Mar 22 | 262 | fits: 70 days to maturity, 262 available after Mar 15. | Sep 9 |
| Cucumber | Mar 15 | Apr 19–Apr 26 | 192 | two-plantings: Plant Apr 19 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Beans | — | Apr 12–Apr 26 | 206 | two-plantings: Plant Apr 12 and again by Aug 22; both mature before Nov 4. | Aug 22 |
| Peas | — | Feb 8–Apr 19 | 283 | fits: 65 days to maturity, 283 available after Feb 8. | Aug 31 |
| Zucchini | Mar 22 | Apr 19–Apr 26 | 192 | two-plantings: Plant Apr 19 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Onion | Jan 11 | Mar 8–Mar 22 | 255 | fits: 100 days to maturity, 255 available after Mar 8. | — |
| Spinach | — | Feb 8–Mar 29 | 297 | two-plantings: Plant Feb 8 and again by Oct 9; both mature before Dec 2. | Oct 9 |
| Kale | Jan 25 | Mar 8–Mar 22 | 269 | two-plantings: Plant Mar 8 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Broccoli | Feb 8 | Mar 8–Mar 22 | 255 | fits: 80 days to maturity, 255 available after Mar 8. | Aug 16 |
| Cabbage | Feb 8 | Mar 8–Mar 22 | 269 | fits: 70 days to maturity, 269 available after Mar 8. | Sep 9 |
| Radish | — | Feb 8–May 3 | 283 | two-plantings: Plant Feb 8 and again by Oct 10; both mature before Nov 18. | Oct 10 |
| Beets | — | Feb 8–May 3 | 283 | two-plantings: Plant Feb 8 and again by Sep 10; both mature before Nov 18. | Sep 10 |
| Potatoes | — | Mar 22–Mar 29 | 241 | fits: 90 days to maturity, 241 available after Mar 22. | — |
| Garlic | — | Nov 11 | 325 | overwinter: Plant Nov 11 to Dec 2; harvest the following summer. | Dec 2 |
| Strawberry | — | Mar 1–Apr 26 | 276 | perennial: A perennial: plant Mar 1; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 8 | Apr 12–Apr 19 | 192 | fits: 75 days to maturity, 192 available after Apr 12. | Jul 24 |
| Pumpkin | Mar 22 | Apr 19–Apr 19 | 185 | fits: 100 days to maturity, 185 available after Apr 19. | Jun 29 |
| Cauliflower | Feb 22 | Mar 29–Apr 12 | 234 | fits: 75 days to maturity, 234 available after Mar 29. | Aug 21 |
| Swiss Chard | Feb 8 | Mar 22–Mar 22 | 241 | two-plantings: Plant Mar 22 and again by Sep 10; both mature before Nov 18. | Sep 10 |
| Arugula | — | Feb 8–May 3 | 297 | two-plantings: Plant Feb 8 and again by Oct 9; both mature before Dec 2. | Oct 9 |
| Brussel Sprouts | Feb 8 | Mar 8–Mar 22 | 269 | fits: 100 days to maturity, 269 available after Mar 8. | Aug 10 |
| Butternut Squash | Mar 22 | Apr 19–Apr 26 | 185 | fits: 100 days to maturity, 185 available after Apr 19. | Jun 29 |
| Eggplant | Feb 15 | Apr 19–Apr 26 | 178 | fits: 70 days to maturity, 178 available after Apr 19. | Jul 22 |
| Okra | Mar 8 | Apr 12–Apr 19 | 199 | two-plantings: Plant Apr 12 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Basil | Mar 1 | Apr 26–Apr 26 | 185 | two-plantings: Plant Apr 26 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Cilantro | — | Mar 8–Mar 29 | 255 | two-plantings: Plant Mar 8 and again by Sep 15; both mature before Nov 18. | Sep 15 |
| Parsley | Jan 25 | Apr 12–Apr 19 | 220 | fits: 70 days to maturity, 220 available after Apr 12. | Aug 26 |
| Celery | Jan 25 | Apr 12–Apr 26 | 220 | fits: 120 days to maturity, 220 available after Apr 12. | Jul 7 |
| Scallions | Jan 25 | Mar 8–Mar 22 | 269 | two-plantings: Plant Mar 8 and again by Sep 19; both mature before Dec 2. | Sep 19 |
| Turnip | — | Mar 8–Mar 22 | 269 | two-plantings: Plant Mar 8 and again by Sep 29; both mature before Dec 2. | Sep 29 |
| Kohlrabi | — | Feb 22–Mar 8 | 283 | two-plantings: Plant Feb 22 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Bok Choy | Mar 8 | Mar 29–Apr 5 | 234 | two-plantings: Plant Mar 29 and again by Sep 20; both mature before Nov 18. | Sep 20 |
| Collards | Jan 25 | Mar 8–Mar 22 | 269 | two-plantings: Plant Mar 8 and again by Sep 19; both mature before Dec 2. | Sep 19 |
| Cantaloupe | Mar 22 | Apr 19–Apr 26 | 178 | fits: 85 days to maturity, 178 available after Apr 19. | Jul 7 |
| Chives | Jan 11 | Apr 12–Apr 19 | 234 | fits: 90 days to maturity, 234 available after Apr 12. | — |
| Dill | — | Feb 8–May 3 | 283 | two-plantings: Plant Feb 8 and again by Sep 10; both mature before Nov 18. | Sep 10 |
| Oregano | Jan 25 | Apr 12–Apr 19 | 234 | fits: 80 days to maturity, 234 available after Apr 12. | — |
| Rosemary | Jan 11 | Apr 12–Apr 19 | 220 | fits: 80 days to maturity, 220 available after Apr 12. | — |
| Sage | Feb 8 | Apr 12–Apr 19 | 234 | fits: 75 days to maturity, 234 available after Apr 12. | — |
| Thyme | Jan 25 | Apr 12–Apr 19 | 234 | fits: 90 days to maturity, 234 available after Apr 12. | — |
| Calendula | Feb 22 | Mar 22–Apr 5 | 241 | two-plantings: Plant Mar 22 and again by Sep 15; both mature before Nov 18. | Sep 15 |
| Cosmos | Mar 8 | Apr 5–Apr 19 | 206 | two-plantings: Plant Apr 5 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Lavender | Jan 11 | Apr 5–Apr 19 | 241 | fits: 90 days to maturity, 241 available after Apr 5. | — |
| Marigolds | Feb 22 | Apr 5–Apr 12 | 206 | two-plantings: Plant Apr 5 and again by Aug 25; both mature before Oct 28. | Aug 25 |
| Melons | Mar 22 | Apr 19–Apr 26 | 178 | fits: 85 days to maturity, 178 available after Apr 19. | Jul 7 |
| Mint | — | Apr 5–Apr 19 | 241 | fits: 90 days to maturity, 241 available after Apr 5. | — |
| Nasturtiums | Mar 8 | Apr 5–Apr 12 | 206 | two-plantings: Plant Apr 5 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Pole Beans | — | Apr 12–Apr 26 | 199 | fits: 65 days to maturity, 199 available after Apr 12. | Aug 10 |
| Spaghetti Squash | Mar 22 | Apr 19–Apr 26 | 185 | fits: 90 days to maturity, 185 available after Apr 19. | Jul 9 |
| Sunflowers | — | Apr 5–Apr 19 | 206 | fits: 70 days to maturity, 206 available after Apr 5. | Aug 5 |
| Tomatillos | Feb 8 | Apr 12–Apr 19 | 185 | fits: 75 days to maturity, 185 available after Apr 12. | Jul 17 |
| Watermelon | Mar 22 | Apr 12–Apr 19 | 185 | fits: 80 days to maturity, 185 available after Apr 12. | Jul 12 |
| Yellow Squash | Mar 22 | Apr 19–Apr 26 | 192 | two-plantings: Plant Apr 19 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Zinnias | Mar 8 | Apr 5–Apr 19 | 206 | two-plantings: Plant Apr 5 and again by Aug 15; both mature before Oct 28. | Aug 15 |
Month by month in Troutdale
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 11), Lavender (Jan 11), Onion (Jan 11), Rosemary (Jan 11), Celery (Jan 25), Collards (Jan 25), +5 more. |
| February | Start indoors: Broccoli (Feb 8), Brussel Sprouts (Feb 8), Cabbage (Feb 8), Lettuce (Feb 8), Sage (Feb 8), Swiss Chard (Feb 8), +6 more. Direct sow from: Arugula (Feb 8), Beets (Feb 8), Dill (Feb 8), Peas (Feb 8), Radish (Feb 8), Spinach (Feb 8), +1 more. |
| March | Start indoors: Basil (Mar 1), Tomato (Mar 1), Bok Choy (Mar 8), Corn (Mar 8), Cosmos (Mar 8), Nasturtiums (Mar 8), +11 more. Direct sow from: Cilantro (Mar 8), Turnip (Mar 8), Carrots (Mar 15), Potatoes (Mar 22). Transplant from: Broccoli (Mar 8), Brussel Sprouts (Mar 8), Cabbage (Mar 8), Collards (Mar 8), Kale (Mar 8), Lettuce (Mar 8), +6 more. Plant: Strawberry (Mar 1). |
| April | Direct sow from: Sunflowers (Apr 5), Beans (Apr 12), Pole Beans (Apr 12). Transplant from: Cosmos (Apr 5), Lavender (Apr 5), Marigolds (Apr 5), Mint (Apr 5), Nasturtiums (Apr 5), Zinnias (Apr 5), +23 more. Last frost around April 5. |
| May | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| June | Last sowing dates: Butternut Squash (Jun 29), Pumpkin (Jun 29). |
| July | Last sowing dates: Cantaloupe (Jul 7), Celery (Jul 7), Melons (Jul 7), Spaghetti Squash (Jul 9), Tomato (Jul 12), Watermelon (Jul 12), +4 more. |
| August | Last sowing dates: Sunflowers (Aug 5), Brussel Sprouts (Aug 10), Pole Beans (Aug 10), Basil (Aug 15), Cosmos (Aug 15), Cucumber (Aug 15), +11 more. |
| September | Last sowing dates: Cabbage (Sep 9), Carrots (Sep 9), Beets (Sep 10), Dill (Sep 10), Swiss Chard (Sep 10), Calendula (Sep 15), +8 more. |
| October | Last sowing dates: Arugula (Oct 9), Spinach (Oct 9), Radish (Oct 10). |
| November | Direct sow from: Garlic (Nov 11). First frost around November 11. |
| December | Last sowing dates: Garlic (Dec 2). |
Frequently Asked Questions
What is the last frost date for Troutdale, OR (ZIP 97060)?
The median last spring frost date for Troutdale, OR (ZIP code 97060) is around April 5. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area. One year in ten frost ends before March 10; one in ten it runs past May 2.
What is the first fall frost date in Troutdale, OR?
The median first fall frost date for Troutdale, OR is around November 11. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 11 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Troutdale, OR?
The frost-free growing season in Troutdale is about 220 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side. In Troutdale (220 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Troutdale, OR?
Troutdale, OR is in USDA hardiness zone 9a (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Troutdale, OR?
Start tomatoes indoors Mar 1 and plant out Apr 19 in Troutdale. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Troutdale?
Two: plant Mar 8 and again by Sep 20; both mature before Nov 18.
When do I plant garlic in Troutdale?
Nov 11 to Dec 2; it overwinters and is ready the following summer.
Can I get two tomato crops in Troutdale?
Yes: plant out Apr 19 for a summer crop, and set out a second round of transplants by Jul 12 for a fall crop.
Which nearby ZIP has a longer season?
Fairview (ZIP 97024) has 229 frost-free days, 9 more than Troutdale (ZIP 97060). See Fairview ZIP 97024 frost dates
Nearby and related
- Frost dates for Fairview, OR 97024 (3.5 mi)
- Frost dates for Gresham, OR 97080 (4 mi)
- Frost dates for Camas, WA 98607 (7.6 mi)
- Frost dates for Portland, OR 97236 (7.6 mi)
- Frost dates for Washougal, WA 98671 (7.9 mi)
- When to plant in OR
- When to plant Peppers in OR
- When to plant Cucumbers in OR
- When to plant Zucchini in OR
- When to plant Butternut Squash in OR
- When to plant Basil in OR
- When to plant Sweet Corn in OR
- Look up another ZIP