Frost Dates for Dallas, OR 97338
Last spring frost April 28 · First fall frost October 24 · 179 frost-free days · USDA Zone 8b
ZIP 97338 has about 23,400 people.
Moderate season: 179 frost-free days. Spring frost risk spans April 4–May 21 (47 days). Fall frost risk spans October 1–November 14 (44 days).
Frost probability for 97338
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 21 | April 28 | April 4 |
| Fall (first frost) | October 1 | October 24 | November 14 |
Dates come from NOAA 1971–2000 freeze probabilities at DALLAS 2 NE (3.9 km away); the 50% date is the median year.
Which crops fit a 179-day season in Dallas
In Dallas (179 frost-free days, a moderate 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 24 | May 12–May 19 | 137 | fits: 80 days to maturity, 137 available after May 12. | Jun 24 |
| Pepper | Mar 17 | May 12–May 19 | 137 | fits: 75 days to maturity, 137 available after May 12. | Jun 29 |
| Lettuce | Mar 3 | Mar 31–Apr 7 | 214 | two-plantings: Plant Mar 31 and again by Sep 2; both mature before Oct 31. | Sep 2 |
| Carrots | — | Apr 7–Apr 14 | 221 | fits: 70 days to maturity, 221 available after Apr 7. | Aug 22 |
| Cucumber | Apr 7 | May 12–May 19 | 151 | two-plantings: Plant May 12 and again by Jul 28; both mature before Oct 10. | Jul 28 |
| Beans | — | May 5–May 19 | 165 | two-plantings: Plant May 5 and again by Aug 4; both mature before Oct 17. | Aug 4 |
| Peas | — | Mar 3–May 12 | 242 | fits: 65 days to maturity, 242 available after Mar 3. | Aug 13 |
| Zucchini | Apr 14 | May 12–May 19 | 151 | two-plantings: Plant May 12 and again by Aug 2; both mature before Oct 10. | Aug 2 |
| Onion | Feb 3 | Mar 31–Apr 14 | 214 | fits: 100 days to maturity, 214 available after Mar 31. | — |
| Spinach | — | Mar 3–Apr 21 | 256 | two-plantings: Plant Mar 3 and again by Sep 21; both mature before Nov 14. | Sep 21 |
| Kale | Feb 17 | Mar 31–Apr 14 | 228 | two-plantings: Plant Mar 31 and again by Sep 6; both mature before Nov 14. | Sep 6 |
| Broccoli | Mar 3 | Mar 31–Apr 14 | 214 | fits: 80 days to maturity, 214 available after Mar 31. | Jul 29 |
| Cabbage | Mar 3 | Mar 31–Apr 14 | 228 | fits: 70 days to maturity, 228 available after Mar 31. | Aug 22 |
| Radish | — | Mar 3–May 26 | 242 | two-plantings: Plant Mar 3 and again by Sep 22; both mature before Oct 31. | Sep 22 |
| Beets | — | Mar 3–May 26 | 242 | two-plantings: Plant Mar 3 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Potatoes | — | Apr 14–Apr 21 | 200 | fits: 90 days to maturity, 200 available after Apr 14. | — |
| Garlic | — | Oct 24 | 284 | overwinter: Plant Oct 24 to Nov 14; harvest the following summer. | Nov 14 |
| Strawberry | — | Mar 24–May 19 | 235 | perennial: A perennial: plant Mar 24; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 31 | May 5–May 12 | 151 | fits: 75 days to maturity, 151 available after May 5. | Jul 6 |
| Pumpkin | Apr 14 | May 12–May 12 | 144 | fits: 100 days to maturity, 144 available after May 12. | Jun 11 |
| Cauliflower | Mar 17 | Apr 21–May 5 | 193 | fits: 75 days to maturity, 193 available after Apr 21. | Aug 3 |
| Swiss Chard | Mar 3 | Apr 14–Apr 14 | 200 | two-plantings: Plant Apr 14 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Arugula | — | Mar 3–May 26 | 256 | two-plantings: Plant Mar 3 and again by Sep 21; both mature before Nov 14. | Sep 21 |
| Brussel Sprouts | Mar 3 | Mar 31–Apr 14 | 228 | fits: 100 days to maturity, 228 available after Mar 31. | Jul 23 |
| Butternut Squash | Apr 14 | May 12–May 19 | 144 | fits: 100 days to maturity, 144 available after May 12. | Jun 11 |
| Eggplant | Mar 10 | May 12–May 19 | 137 | fits: 70 days to maturity, 137 available after May 12. | Jul 4 |
| Okra | Mar 31 | May 5–May 12 | 158 | two-plantings: Plant May 5 and again by Aug 2; both mature before Oct 10. | Aug 2 |
| Basil | Mar 24 | May 19–May 19 | 144 | two-plantings: Plant May 19 and again by Jul 28; both mature before Oct 10. | Jul 28 |
| Cilantro | — | Mar 31–Apr 21 | 214 | two-plantings: Plant Mar 31 and again by Aug 28; both mature before Oct 31. | Aug 28 |
| Parsley | Feb 17 | May 5–May 12 | 179 | fits: 70 days to maturity, 179 available after May 5. | Aug 8 |
| Celery | Feb 17 | May 5–May 19 | 179 | fits: 120 days to maturity, 179 available after May 5. | Jun 19 |
| Scallions | Feb 17 | Mar 31–Apr 14 | 228 | two-plantings: Plant Mar 31 and again by Sep 1; both mature before Nov 14. | Sep 1 |
| Turnip | — | Mar 31–Apr 14 | 228 | two-plantings: Plant Mar 31 and again by Sep 11; both mature before Nov 14. | Sep 11 |
| Kohlrabi | — | Mar 17–Mar 31 | 242 | two-plantings: Plant Mar 17 and again by Sep 6; both mature before Nov 14. | Sep 6 |
| Bok Choy | Mar 31 | Apr 21–Apr 28 | 193 | two-plantings: Plant Apr 21 and again by Sep 2; both mature before Oct 31. | Sep 2 |
| Collards | Feb 17 | Mar 31–Apr 14 | 228 | two-plantings: Plant Mar 31 and again by Sep 1; both mature before Nov 14. | Sep 1 |
| Cantaloupe | Apr 14 | May 12–May 19 | 137 | fits: 85 days to maturity, 137 available after May 12. | Jun 19 |
| Chives | Feb 3 | May 5–May 12 | 193 | fits: 90 days to maturity, 193 available after May 5. | — |
| Dill | — | Mar 3–May 26 | 242 | two-plantings: Plant Mar 3 and again by Aug 23; both mature before Oct 31. | Aug 23 |
| Oregano | Feb 17 | May 5–May 12 | 193 | fits: 80 days to maturity, 193 available after May 5. | — |
| Rosemary | Feb 3 | May 5–May 12 | 179 | fits: 80 days to maturity, 179 available after May 5. | — |
| Sage | Mar 3 | May 5–May 12 | 193 | fits: 75 days to maturity, 193 available after May 5. | — |
| Thyme | Feb 17 | May 5–May 12 | 193 | fits: 90 days to maturity, 193 available after May 5. | — |
| Calendula | Mar 17 | Apr 14–Apr 28 | 200 | two-plantings: Plant Apr 14 and again by Aug 28; both mature before Oct 31. | Aug 28 |
| Cosmos | Mar 31 | Apr 28–May 12 | 165 | two-plantings: Plant Apr 28 and again by Jul 28; both mature before Oct 10. | Jul 28 |
| Lavender | Feb 3 | Apr 28–May 12 | 200 | fits: 90 days to maturity, 200 available after Apr 28. | — |
| Marigolds | Mar 17 | Apr 28–May 5 | 165 | two-plantings: Plant Apr 28 and again by Aug 7; both mature before Oct 10. | Aug 7 |
| Melons | Apr 14 | May 12–May 19 | 137 | fits: 85 days to maturity, 137 available after May 12. | Jun 19 |
| Mint | — | Apr 28–May 12 | 200 | fits: 90 days to maturity, 200 available after Apr 28. | — |
| Nasturtiums | Mar 31 | Apr 28–May 5 | 165 | two-plantings: Plant Apr 28 and again by Aug 2; both mature before Oct 10. | Aug 2 |
| Pole Beans | — | May 5–May 19 | 158 | fits: 65 days to maturity, 158 available after May 5. | Jul 23 |
| Spaghetti Squash | Apr 14 | May 12–May 19 | 144 | fits: 90 days to maturity, 144 available after May 12. | Jun 21 |
| Sunflowers | — | Apr 28–May 12 | 165 | fits: 70 days to maturity, 165 available after Apr 28. | Jul 18 |
| Tomatillos | Mar 3 | May 5–May 12 | 144 | fits: 75 days to maturity, 144 available after May 5. | Jun 29 |
| Watermelon | Apr 14 | May 5–May 12 | 144 | fits: 80 days to maturity, 144 available after May 5. | Jun 24 |
| Yellow Squash | Apr 14 | May 12–May 19 | 151 | two-plantings: Plant May 12 and again by Aug 2; both mature before Oct 10. | Aug 2 |
| Zinnias | Mar 31 | Apr 28–May 12 | 165 | two-plantings: Plant Apr 28 and again by Jul 28; both mature before Oct 10. | Jul 28 |
Month by month in Dallas
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 3), Lavender (Feb 3), Onion (Feb 3), Rosemary (Feb 3), Celery (Feb 17), Collards (Feb 17), +5 more. |
| March | Start indoors: Broccoli (Mar 3), Brussel Sprouts (Mar 3), Cabbage (Mar 3), Lettuce (Mar 3), Sage (Mar 3), Swiss Chard (Mar 3), +14 more. Direct sow from: Arugula (Mar 3), Beets (Mar 3), Dill (Mar 3), Peas (Mar 3), Radish (Mar 3), Spinach (Mar 3), +3 more. Transplant from: Broccoli (Mar 31), Brussel Sprouts (Mar 31), Cabbage (Mar 31), Collards (Mar 31), Kale (Mar 31), Lettuce (Mar 31), +2 more. Plant: Strawberry (Mar 24). |
| April | Start indoors: Cucumber (Apr 7), Butternut Squash (Apr 14), Cantaloupe (Apr 14), Melons (Apr 14), Pumpkin (Apr 14), Spaghetti Squash (Apr 14), +3 more. Direct sow from: Carrots (Apr 7), Potatoes (Apr 14), Sunflowers (Apr 28). Transplant from: Calendula (Apr 14), Swiss Chard (Apr 14), Bok Choy (Apr 21), Cauliflower (Apr 21), Cosmos (Apr 28), Lavender (Apr 28), +4 more. Last frost around April 28. |
| May | Direct sow from: Beans (May 5), Pole Beans (May 5). Transplant from: Celery (May 5), Chives (May 5), Corn (May 5), Okra (May 5), Oregano (May 5), Parsley (May 5), +17 more. |
| June | Last sowing dates: Butternut Squash (Jun 11), Pumpkin (Jun 11), Cantaloupe (Jun 19), Celery (Jun 19), Melons (Jun 19), Spaghetti Squash (Jun 21), +4 more. |
| July | Last sowing dates: Eggplant (Jul 4), Corn (Jul 6), Sunflowers (Jul 18), Brussel Sprouts (Jul 23), Pole Beans (Jul 23), Basil (Jul 28), +4 more. |
| August | Last sowing dates: Nasturtiums (Aug 2), Okra (Aug 2), Yellow Squash (Aug 2), Zucchini (Aug 2), Cauliflower (Aug 3), Beans (Aug 4), +10 more. |
| September | Last sowing dates: Collards (Sep 1), Scallions (Sep 1), Bok Choy (Sep 2), Lettuce (Sep 2), Kale (Sep 6), Kohlrabi (Sep 6), +4 more. |
| October | Direct sow from: Garlic (Oct 24). First frost around October 24. |
| November | Last sowing dates: Garlic (Nov 14). |
| December | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
Frequently Asked Questions
What is the last frost date for Dallas, OR (ZIP 97338)?
The median last spring frost date for Dallas, OR (ZIP code 97338) is around April 28. 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 April 4; one in ten it runs past May 21.
What is the first fall frost date in Dallas, OR?
The median first fall frost date for Dallas, OR is around October 24. 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 1 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Dallas, OR?
The frost-free growing season in Dallas is about 179 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 Dallas (179 frost-free days, a moderate season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Dallas, OR?
Dallas, OR is in USDA hardiness zone 8b (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 Dallas, OR?
Start tomatoes indoors Mar 24 and plant out May 12 in Dallas. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Dallas?
Two: plant Mar 31 and again by Sep 2; both mature before Oct 31.
When do I plant garlic in Dallas?
Oct 24 to Nov 14; it overwinters and is ready the following summer.
Which nearby ZIP has a longer season?
Salem (ZIP 97301) has 207 frost-free days, 28 more than Dallas (ZIP 97338). See Salem ZIP 97301 frost dates
Nearby and related
- Frost dates for Independence, OR 97351 (10.5 mi)
- Frost dates for Monmouth, OR 97361 (11.3 mi)
- Frost dates for Salem, OR 97306 (14.1 mi)
- Frost dates for Salem, OR 97301 (16.4 mi)
- Frost dates for Mcminnville, OR 97128 (18.5 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