Frost Dates for Baker City, OR 97814
Last spring frost June 3 · First fall frost September 13 · 102 frost-free days · USDA Zone 6b
ZIP 97814 has about 12,600 people.
Short season: 102 frost-free days. Spring frost risk spans May 10–June 27 (48 days). Fall frost risk spans September 2–September 29 (27 days).
Frost probability for 97814
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 27 | June 3 | May 10 |
| Fall (first frost) | September 2 | September 13 | September 29 |
Dates come from NOAA 1971–2000 freeze probabilities at BAKER CITY AP (5.6 km away); the 50% date is the median year.
Which crops fit a 102-day season in Baker City
In Baker City (102 frost-free days, a short season), 29 of 56 planner crops fit outright, 14 get two plantings, 7 need an indoor start, 5 don't reliably mature, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 29 | Jun 17–Jun 24 | 60 | head-start: Even planted out Jun 17, the outdoor season is about 20 days short; choose an early variety or grow under cover. | — |
| Pepper | Apr 22 | Jun 17–Jun 24 | 60 | head-start: Even planted out Jun 17, the outdoor season is about 15 days short; choose an early variety or grow under cover. | — |
| Lettuce | Apr 8 | May 6–May 13 | 137 | two-plantings: Plant May 6 and again by Jul 23; both mature before Sep 20. | Jul 23 |
| Carrots | — | May 13–May 20 | 144 | fits: 70 days to maturity, 144 available after May 13. | Jul 12 |
| Cucumber | May 13 | Jun 17–Jun 24 | 74 | fits: 60 days to maturity, 74 available after Jun 17. | — |
| Beans | — | Jun 10–Jun 24 | 88 | fits: 60 days to maturity, 88 available after Jun 10. | Jun 24 |
| Peas | — | Apr 8–Jun 17 | 165 | fits: 65 days to maturity, 165 available after Apr 8. | Jul 3 |
| Zucchini | May 20 | Jun 17–Jun 24 | 74 | fits: 55 days to maturity, 74 available after Jun 17. | Jun 22 |
| Onion | Mar 11 | May 6–May 20 | 137 | fits: 100 days to maturity, 137 available after May 6. | — |
| Spinach | — | Apr 8–May 27 | 179 | two-plantings: Plant Apr 8 and again by Aug 11; both mature before Oct 4. | Aug 11 |
| Kale | Mar 25 | May 6–May 20 | 151 | two-plantings: Plant May 6 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Broccoli | Apr 8 | May 6–May 20 | 137 | fits: 80 days to maturity, 137 available after May 6. | Jun 18 |
| Cabbage | Apr 8 | May 6–May 20 | 151 | fits: 70 days to maturity, 151 available after May 6. | Jul 12 |
| Radish | — | Apr 8–Jul 1 | 165 | two-plantings: Plant Apr 8 and again by Aug 12; both mature before Sep 20. | Aug 12 |
| Beets | — | Apr 8–Jul 1 | 165 | two-plantings: Plant Apr 8 and again by Jul 13; both mature before Sep 20. | Jul 13 |
| Potatoes | — | May 20–May 27 | 123 | fits: 90 days to maturity, 123 available after May 20. | — |
| Garlic | — | Sep 13 | 207 | overwinter: Plant Sep 13 to Oct 4; harvest the following summer. | Oct 4 |
| Strawberry | — | Apr 29–Jun 24 | 158 | perennial: A perennial: plant Apr 29; it fruits from the following year and keeps producing for several years. | — |
| Corn | May 6 | Jun 10–Jun 17 | 74 | head-start: Even planted out Jun 10, the outdoor season is about 1 days short; choose an early variety or grow under cover. | — |
| Pumpkin | May 20 | Jun 17–Jun 17 | 67 | no-fit: Needs 100 days; Baker City has 67 after Jun 17. | — |
| Cauliflower | Apr 22 | May 27–Jun 10 | 116 | fits: 75 days to maturity, 116 available after May 27. | Jun 23 |
| Swiss Chard | Apr 8 | May 20–May 20 | 123 | fits: 55 days to maturity, 123 available after May 20. | Jul 13 |
| Arugula | — | Apr 8–Jul 1 | 179 | two-plantings: Plant Apr 8 and again by Aug 11; both mature before Oct 4. | Aug 11 |
| Brussel Sprouts | Apr 8 | May 6–May 20 | 151 | fits: 100 days to maturity, 151 available after May 6. | Jun 12 |
| Butternut Squash | May 20 | Jun 17–Jun 24 | 67 | no-fit: Needs 100 days; Baker City has 67 after Jun 17. | — |
| Eggplant | Apr 15 | Jun 17–Jun 24 | 60 | head-start: Even planted out Jun 17, the outdoor season is about 10 days short; choose an early variety or grow under cover. | — |
| Okra | May 6 | Jun 10–Jun 17 | 81 | fits: 55 days to maturity, 81 available after Jun 10. | Jun 22 |
| Basil | Apr 29 | Jun 24–Jun 24 | 67 | fits: 60 days to maturity, 67 available after Jun 24. | — |
| Cilantro | — | May 6–May 27 | 137 | two-plantings: Plant May 6 and again by Jul 18; both mature before Sep 20. | Jul 18 |
| Parsley | Mar 25 | Jun 10–Jun 17 | 102 | fits: 70 days to maturity, 102 available after Jun 10. | Jun 28 |
| Celery | Mar 25 | Jun 10–Jun 24 | 102 | head-start: Even planted out Jun 10, the outdoor season is about 18 days short; choose an early variety or grow under cover. | — |
| Scallions | Mar 25 | May 6–May 20 | 151 | two-plantings: Plant May 6 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Turnip | — | May 6–May 20 | 151 | two-plantings: Plant May 6 and again by Aug 1; both mature before Oct 4. | Aug 1 |
| Kohlrabi | — | Apr 22–May 6 | 165 | two-plantings: Plant Apr 22 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Bok Choy | May 6 | May 27–Jun 3 | 116 | two-plantings: Plant May 27 and again by Jul 23; both mature before Sep 20. | Jul 23 |
| Collards | Mar 25 | May 6–May 20 | 151 | two-plantings: Plant May 6 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Cantaloupe | May 20 | Jun 17–Jun 24 | 60 | no-fit: Needs 85 days; Baker City has 60 after Jun 17. | — |
| Chives | Mar 11 | Jun 10–Jun 17 | 116 | fits: 90 days to maturity, 116 available after Jun 10. | — |
| Dill | — | Apr 8–Jul 1 | 165 | two-plantings: Plant Apr 8 and again by Jul 13; both mature before Sep 20. | Jul 13 |
| Oregano | Mar 25 | Jun 10–Jun 17 | 116 | fits: 80 days to maturity, 116 available after Jun 10. | — |
| Rosemary | Mar 11 | Jun 10–Jun 17 | 102 | fits: 80 days to maturity, 102 available after Jun 10. | — |
| Sage | Apr 8 | Jun 10–Jun 17 | 116 | fits: 75 days to maturity, 116 available after Jun 10. | — |
| Thyme | Mar 25 | Jun 10–Jun 17 | 116 | fits: 90 days to maturity, 116 available after Jun 10. | — |
| Calendula | Apr 22 | May 20–Jun 3 | 123 | two-plantings: Plant May 20 and again by Jul 18; both mature before Sep 20. | Jul 18 |
| Cosmos | May 6 | Jun 3–Jun 17 | 88 | fits: 60 days to maturity, 88 available after Jun 3. | Jun 17 |
| Lavender | Mar 11 | Jun 3–Jun 17 | 123 | fits: 90 days to maturity, 123 available after Jun 3. | — |
| Marigolds | Apr 22 | Jun 3–Jun 10 | 88 | fits: 50 days to maturity, 88 available after Jun 3. | Jun 27 |
| Melons | May 20 | Jun 17–Jun 24 | 60 | no-fit: Needs 85 days; Baker City has 60 after Jun 17. | — |
| Mint | — | Jun 3–Jun 17 | 123 | fits: 90 days to maturity, 123 available after Jun 3. | — |
| Nasturtiums | May 6 | Jun 3–Jun 10 | 88 | fits: 55 days to maturity, 88 available after Jun 3. | Jun 22 |
| Pole Beans | — | Jun 10–Jun 24 | 81 | fits: 65 days to maturity, 81 available after Jun 10. | Jun 12 |
| Spaghetti Squash | May 20 | Jun 17–Jun 24 | 67 | no-fit: Needs 90 days; Baker City has 67 after Jun 17. | — |
| Sunflowers | — | Jun 3–Jun 17 | 88 | fits: 70 days to maturity, 88 available after Jun 3. | Jun 7 |
| Tomatillos | Apr 8 | Jun 10–Jun 17 | 67 | head-start: Even planted out Jun 10, the outdoor season is about 8 days short; choose an early variety or grow under cover. | — |
| Watermelon | May 20 | Jun 10–Jun 17 | 67 | head-start: Even planted out Jun 10, the outdoor season is about 13 days short; choose an early variety or grow under cover. | — |
| Yellow Squash | May 20 | Jun 17–Jun 24 | 74 | fits: 55 days to maturity, 74 available after Jun 17. | Jun 22 |
| Zinnias | May 6 | Jun 3–Jun 17 | 88 | fits: 60 days to maturity, 88 available after Jun 3. | Jun 17 |
Month by month in Baker City
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start the slowest-growing crops indoors: onions, leeks, and celery (10–12 weeks before last frost). |
| March | Start indoors: Chives (Mar 11), Lavender (Mar 11), Onion (Mar 11), Rosemary (Mar 11), Celery (Mar 25), Collards (Mar 25), +5 more. |
| April | Start indoors: Broccoli (Apr 8), Brussel Sprouts (Apr 8), Cabbage (Apr 8), Lettuce (Apr 8), Sage (Apr 8), Swiss Chard (Apr 8), +8 more. Direct sow from: Arugula (Apr 8), Beets (Apr 8), Dill (Apr 8), Peas (Apr 8), Radish (Apr 8), Spinach (Apr 8), +1 more. Plant: Strawberry (Apr 29). |
| May | Start indoors: Bok Choy (May 6), Corn (May 6), Cosmos (May 6), Nasturtiums (May 6), Okra (May 6), Zinnias (May 6), +9 more. Direct sow from: Cilantro (May 6), Turnip (May 6), Carrots (May 13), Potatoes (May 20). Transplant from: Broccoli (May 6), Brussel Sprouts (May 6), Cabbage (May 6), Collards (May 6), Kale (May 6), Lettuce (May 6), +6 more. |
| June | Direct sow from: Sunflowers (Jun 3), Beans (Jun 10), Pole Beans (Jun 10). Transplant from: Cosmos (Jun 3), Lavender (Jun 3), Marigolds (Jun 3), Mint (Jun 3), Nasturtiums (Jun 3), Zinnias (Jun 3), +23 more. Last frost around June 3. Last sowing dates: Sunflowers (Jun 7), Brussel Sprouts (Jun 12), Pole Beans (Jun 12), Cosmos (Jun 17), Zinnias (Jun 17), Broccoli (Jun 18), +8 more. |
| July | Last sowing dates: Peas (Jul 3), Cabbage (Jul 12), Carrots (Jul 12), Beets (Jul 13), Dill (Jul 13), Swiss Chard (Jul 13), +8 more. |
| August | Last sowing dates: Turnip (Aug 1), Arugula (Aug 11), Spinach (Aug 11), Radish (Aug 12). |
| September | Direct sow from: Garlic (Sep 13). First frost around September 13. |
| October | Last sowing dates: Garlic (Oct 4). |
| November | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
| 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 Baker City, OR (ZIP 97814)?
The median last spring frost date for Baker City, OR (ZIP code 97814) is around June 3. 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 May 10; one in ten it runs past June 27.
What is the first fall frost date in Baker City, OR?
The median first fall frost date for Baker City, OR is around September 13. 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 September 2 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Baker City, OR?
The frost-free growing season in Baker City is about 102 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 Baker City (102 frost-free days, a short season), 29 of 56 planner crops fit outright, 14 get two plantings, 7 need an indoor start, 5 don't reliably mature, 1 crop is perennial.
What USDA hardiness zone is Baker City, OR?
Baker City, OR is in USDA hardiness zone 6b (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 Baker City, OR?
Start tomatoes indoors Apr 29 and plant out Jun 17 in Baker City. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Baker City?
Two: plant May 6 and again by Jul 23; both mature before Sep 20.
When do I plant garlic in Baker City?
Sep 13 to Oct 4; it overwinters and is ready the following summer.
Can I grow Celery in Baker City?
Yes, with help. Even planted out Jun 10, the outdoor season is about 18 days short; choose an early variety or grow under cover.
Which nearby ZIP has a longer season?
La Grande (ZIP 97850) has 122 frost-free days, 20 more than Baker City (ZIP 97814). See La Grande ZIP 97850 frost dates
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- When to plant in OR
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