Frost Dates for Kamiah, ID 83536
Last spring frost May 26 · First fall frost September 17 · 114 frost-free days · USDA Zone 7a
ZIP 83536 has about 4,440 people.
Short season: 114 frost-free days. Spring frost risk spans May 6–June 16 (41 days). Fall frost risk spans September 2–October 2 (30 days).
Frost probability for 83536
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 16 | May 26 | May 6 |
| Fall (first frost) | September 2 | September 17 | October 2 |
Dates come from NOAA 1971–2000 freeze probabilities at NEZPERCE (16.7 km away); the 50% date is the median year.
Which crops fit a 114-day season in Kamiah
In Kamiah (114 frost-free days, a short season), 31 of 56 planner crops fit outright, 15 get two plantings, 9 need an indoor start, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 21 | Jun 9–Jun 16 | 72 | head-start: Even planted out Jun 9, the outdoor season is about 8 days short; choose an early variety or grow under cover. | — |
| Pepper | Apr 14 | Jun 9–Jun 16 | 72 | head-start: Even planted out Jun 9, the outdoor season is about 3 days short; choose an early variety or grow under cover. | — |
| Lettuce | Mar 31 | Apr 28–May 5 | 149 | two-plantings: Plant Apr 28 and again by Jul 27; both mature before Sep 24. | Jul 27 |
| Carrots | — | May 5–May 12 | 156 | fits: 70 days to maturity, 156 available after May 5. | Jul 16 |
| Cucumber | May 5 | Jun 9–Jun 16 | 86 | fits: 60 days to maturity, 86 available after Jun 9. | Jun 21 |
| Beans | — | Jun 2–Jun 16 | 100 | fits: 60 days to maturity, 100 available after Jun 2. | Jun 28 |
| Peas | — | Mar 31–Jun 9 | 177 | fits: 65 days to maturity, 177 available after Mar 31. | Jul 7 |
| Zucchini | May 12 | Jun 9–Jun 16 | 86 | fits: 55 days to maturity, 86 available after Jun 9. | Jun 26 |
| Onion | Mar 3 | Apr 28–May 12 | 149 | fits: 100 days to maturity, 149 available after Apr 28. | — |
| Spinach | — | Mar 31–May 19 | 191 | two-plantings: Plant Mar 31 and again by Aug 15; both mature before Oct 8. | Aug 15 |
| Kale | Mar 17 | Apr 28–May 12 | 163 | two-plantings: Plant Apr 28 and again by Jul 31; both mature before Oct 8. | Jul 31 |
| Broccoli | Mar 31 | Apr 28–May 12 | 149 | fits: 80 days to maturity, 149 available after Apr 28. | Jun 22 |
| Cabbage | Mar 31 | Apr 28–May 12 | 163 | fits: 70 days to maturity, 163 available after Apr 28. | Jul 16 |
| Radish | — | Mar 31–Jun 23 | 177 | two-plantings: Plant Mar 31 and again by Aug 16; both mature before Sep 24. | Aug 16 |
| Beets | — | Mar 31–Jun 23 | 177 | two-plantings: Plant Mar 31 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Potatoes | — | May 12–May 19 | 135 | fits: 90 days to maturity, 135 available after May 12. | — |
| Garlic | — | Sep 17 | 219 | overwinter: Plant Sep 17 to Oct 8; harvest the following summer. | Oct 8 |
| Strawberry | — | Apr 21–Jun 16 | 170 | perennial: A perennial: plant Apr 21; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 28 | Jun 2–Jun 9 | 86 | fits: 75 days to maturity, 86 available after Jun 2. | — |
| Pumpkin | May 12 | Jun 9–Jun 9 | 79 | head-start: Even planted out Jun 9, the outdoor season is about 21 days short; choose an early variety or grow under cover. | — |
| Cauliflower | Apr 14 | May 19–Jun 2 | 128 | fits: 75 days to maturity, 128 available after May 19. | Jun 27 |
| Swiss Chard | Mar 31 | May 12–May 12 | 135 | two-plantings: Plant May 12 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Arugula | — | Mar 31–Jun 23 | 191 | two-plantings: Plant Mar 31 and again by Aug 15; both mature before Oct 8. | Aug 15 |
| Brussel Sprouts | Mar 31 | Apr 28–May 12 | 163 | fits: 100 days to maturity, 163 available after Apr 28. | Jun 16 |
| Butternut Squash | May 12 | Jun 9–Jun 16 | 79 | head-start: Even planted out Jun 9, the outdoor season is about 21 days short; choose an early variety or grow under cover. | — |
| Eggplant | Apr 7 | Jun 9–Jun 16 | 72 | fits: 70 days to maturity, 72 available after Jun 9. | — |
| Okra | Apr 28 | Jun 2–Jun 9 | 93 | fits: 55 days to maturity, 93 available after Jun 2. | Jun 26 |
| Basil | Apr 21 | Jun 16–Jun 16 | 79 | fits: 60 days to maturity, 79 available after Jun 16. | Jun 21 |
| Cilantro | — | Apr 28–May 19 | 149 | two-plantings: Plant Apr 28 and again by Jul 22; both mature before Sep 24. | Jul 22 |
| Parsley | Mar 17 | Jun 2–Jun 9 | 114 | fits: 70 days to maturity, 114 available after Jun 2. | Jul 2 |
| Celery | Mar 17 | Jun 2–Jun 16 | 114 | head-start: Even planted out Jun 2, the outdoor season is about 6 days short; choose an early variety or grow under cover. | — |
| Scallions | Mar 17 | Apr 28–May 12 | 163 | two-plantings: Plant Apr 28 and again by Jul 26; both mature before Oct 8. | Jul 26 |
| Turnip | — | Apr 28–May 12 | 163 | two-plantings: Plant Apr 28 and again by Aug 5; both mature before Oct 8. | Aug 5 |
| Kohlrabi | — | Apr 14–Apr 28 | 177 | two-plantings: Plant Apr 14 and again by Jul 31; both mature before Oct 8. | Jul 31 |
| Bok Choy | Apr 28 | May 19–May 26 | 128 | two-plantings: Plant May 19 and again by Jul 27; both mature before Sep 24. | Jul 27 |
| Collards | Mar 17 | Apr 28–May 12 | 163 | two-plantings: Plant Apr 28 and again by Jul 26; both mature before Oct 8. | Jul 26 |
| Cantaloupe | May 12 | Jun 9–Jun 16 | 72 | head-start: Even planted out Jun 9, the outdoor season is about 13 days short; choose an early variety or grow under cover. | — |
| Chives | Mar 3 | Jun 2–Jun 9 | 128 | fits: 90 days to maturity, 128 available after Jun 2. | — |
| Dill | — | Mar 31–Jun 23 | 177 | two-plantings: Plant Mar 31 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Oregano | Mar 17 | Jun 2–Jun 9 | 128 | fits: 80 days to maturity, 128 available after Jun 2. | — |
| Rosemary | Mar 3 | Jun 2–Jun 9 | 114 | fits: 80 days to maturity, 114 available after Jun 2. | — |
| Sage | Mar 31 | Jun 2–Jun 9 | 128 | fits: 75 days to maturity, 128 available after Jun 2. | — |
| Thyme | Mar 17 | Jun 2–Jun 9 | 128 | fits: 90 days to maturity, 128 available after Jun 2. | — |
| Calendula | Apr 14 | May 12–May 26 | 135 | two-plantings: Plant May 12 and again by Jul 22; both mature before Sep 24. | Jul 22 |
| Cosmos | Apr 28 | May 26–Jun 9 | 100 | fits: 60 days to maturity, 100 available after May 26. | Jun 21 |
| Lavender | Mar 3 | May 26–Jun 9 | 135 | fits: 90 days to maturity, 135 available after May 26. | — |
| Marigolds | Apr 14 | May 26–Jun 2 | 100 | fits: 50 days to maturity, 100 available after May 26. | Jul 1 |
| Melons | May 12 | Jun 9–Jun 16 | 72 | head-start: Even planted out Jun 9, the outdoor season is about 13 days short; choose an early variety or grow under cover. | — |
| Mint | — | May 26–Jun 9 | 135 | fits: 90 days to maturity, 135 available after May 26. | — |
| Nasturtiums | Apr 28 | May 26–Jun 2 | 100 | fits: 55 days to maturity, 100 available after May 26. | Jun 26 |
| Pole Beans | — | Jun 2–Jun 16 | 93 | fits: 65 days to maturity, 93 available after Jun 2. | Jun 16 |
| Spaghetti Squash | May 12 | Jun 9–Jun 16 | 79 | head-start: Even planted out Jun 9, the outdoor season is about 11 days short; choose an early variety or grow under cover. | — |
| Sunflowers | — | May 26–Jun 9 | 100 | fits: 70 days to maturity, 100 available after May 26. | Jun 11 |
| Tomatillos | Mar 31 | Jun 2–Jun 9 | 79 | fits: 75 days to maturity, 79 available after Jun 2. | — |
| Watermelon | May 12 | Jun 2–Jun 9 | 79 | head-start: Even planted out Jun 2, the outdoor season is about 1 days short; choose an early variety or grow under cover. | — |
| Yellow Squash | May 12 | Jun 9–Jun 16 | 86 | fits: 55 days to maturity, 86 available after Jun 9. | Jun 26 |
| Zinnias | Apr 28 | May 26–Jun 9 | 100 | fits: 60 days to maturity, 100 available after May 26. | Jun 21 |
Month by month in Kamiah
| 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 3), Lavender (Mar 3), Onion (Mar 3), Rosemary (Mar 3), Celery (Mar 17), Collards (Mar 17), +12 more. Direct sow from: Arugula (Mar 31), Beets (Mar 31), Dill (Mar 31), Peas (Mar 31), Radish (Mar 31), Spinach (Mar 31). |
| April | Start indoors: Eggplant (Apr 7), Calendula (Apr 14), Cauliflower (Apr 14), Marigolds (Apr 14), Pepper (Apr 14), Basil (Apr 21), +7 more. Direct sow from: Kohlrabi (Apr 14), Cilantro (Apr 28), Turnip (Apr 28). Transplant from: Broccoli (Apr 28), Brussel Sprouts (Apr 28), Cabbage (Apr 28), Collards (Apr 28), Kale (Apr 28), Lettuce (Apr 28), +2 more. Plant: Strawberry (Apr 21). |
| May | Start indoors: Cucumber (May 5), Butternut Squash (May 12), Cantaloupe (May 12), Melons (May 12), Pumpkin (May 12), Spaghetti Squash (May 12), +3 more. Direct sow from: Carrots (May 5), Potatoes (May 12), Sunflowers (May 26). Transplant from: Calendula (May 12), Swiss Chard (May 12), Bok Choy (May 19), Cauliflower (May 19), Cosmos (May 26), Lavender (May 26), +4 more. Last frost around May 26. |
| June | Direct sow from: Beans (Jun 2), Pole Beans (Jun 2). Transplant from: Celery (Jun 2), Chives (Jun 2), Corn (Jun 2), Okra (Jun 2), Oregano (Jun 2), Parsley (Jun 2), +17 more. Last sowing dates: Sunflowers (Jun 11), Brussel Sprouts (Jun 16), Pole Beans (Jun 16), Basil (Jun 21), Cosmos (Jun 21), Cucumber (Jun 21), +8 more. |
| July | Last sowing dates: Marigolds (Jul 1), Parsley (Jul 2), Peas (Jul 7), Cabbage (Jul 16), Carrots (Jul 16), Beets (Jul 17), +10 more. |
| August | Last sowing dates: Turnip (Aug 5), Arugula (Aug 15), Spinach (Aug 15), Radish (Aug 16). |
| September | Direct sow from: Garlic (Sep 17). First frost around September 17. |
| October | Last sowing dates: Garlic (Oct 8). |
| 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 Kamiah, ID (ZIP 83536)?
The median last spring frost date for Kamiah, ID (ZIP code 83536) is around May 26. 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 6; one in ten it runs past June 16.
What is the first fall frost date in Kamiah, ID?
The median first fall frost date for Kamiah, ID is around September 17. 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 Kamiah, ID?
The frost-free growing season in Kamiah is about 114 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 Kamiah (114 frost-free days, a short season), 31 of 56 planner crops fit outright, 15 get two plantings, 9 need an indoor start, 1 crop is perennial.
What USDA hardiness zone is Kamiah, ID?
Kamiah, ID is in USDA hardiness zone 7a (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 Kamiah, ID?
Start tomatoes indoors Apr 21 and plant out Jun 9 in Kamiah. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Kamiah?
Two: plant Apr 28 and again by Jul 27; both mature before Sep 24.
When do I plant garlic in Kamiah?
Sep 17 to Oct 8; it overwinters and is ready the following summer.
Can I grow Celery in Kamiah?
Yes, with help. Even planted out Jun 2, the outdoor season is about 6 days short; choose an early variety or grow under cover.
Which nearby ZIP has a longer season?
Clarkston (ZIP 99403) has 150 frost-free days, 36 more than Kamiah (ZIP 83536). See Clarkston ZIP 99403 frost dates
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