Frost Dates for Streator, IL 61364
Last spring frost April 22 · First fall frost October 16 · 177 frost-free days · USDA Zone 5b
ZIP 61364 has about 18,000 people.
Moderate season: 177 frost-free days. Spring frost risk spans April 5–May 10 (35 days). Fall frost risk spans October 1–October 30 (29 days).
Frost probability for 61364
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 10 | April 22 | April 5 |
| Fall (first frost) | October 1 | October 16 | October 30 |
Dates come from NOAA 1971–2000 freeze probabilities at OTTAWA 5SW (22.8 km away); the 50% date is the median year.
Which crops fit a 177-day season in Streator
In Streator (177 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 18 | May 6–May 13 | 135 | fits: 80 days to maturity, 135 available after May 6. | Jun 16 |
| Pepper | Mar 11 | May 6–May 13 | 135 | fits: 75 days to maturity, 135 available after May 6. | Jun 21 |
| Lettuce | Feb 25 | Mar 25–Apr 1 | 212 | two-plantings: Plant Mar 25 and again by Aug 25; both mature before Oct 23. | Aug 25 |
| Carrots | — | Apr 1–Apr 8 | 219 | fits: 70 days to maturity, 219 available after Apr 1. | Aug 14 |
| Cucumber | Apr 1 | May 6–May 13 | 149 | two-plantings: Plant May 6 and again by Jul 20; both mature before Oct 2. | Jul 20 |
| Beans | — | Apr 29–May 13 | 163 | two-plantings: Plant Apr 29 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Peas | — | Feb 25–May 6 | 240 | fits: 65 days to maturity, 240 available after Feb 25. | Aug 5 |
| Zucchini | Apr 8 | May 6–May 13 | 149 | two-plantings: Plant May 6 and again by Jul 25; both mature before Oct 2. | Jul 25 |
| Onion | Jan 28 | Mar 25–Apr 8 | 212 | fits: 100 days to maturity, 212 available after Mar 25. | — |
| Spinach | — | Feb 25–Apr 15 | 254 | two-plantings: Plant Feb 25 and again by Sep 13; both mature before Nov 6. | Sep 13 |
| Kale | Feb 11 | Mar 25–Apr 8 | 226 | two-plantings: Plant Mar 25 and again by Aug 29; both mature before Nov 6. | Aug 29 |
| Broccoli | Feb 25 | Mar 25–Apr 8 | 212 | fits: 80 days to maturity, 212 available after Mar 25. | Jul 21 |
| Cabbage | Feb 25 | Mar 25–Apr 8 | 226 | fits: 70 days to maturity, 226 available after Mar 25. | Aug 14 |
| Radish | — | Feb 25–May 20 | 240 | two-plantings: Plant Feb 25 and again by Sep 14; both mature before Oct 23. | Sep 14 |
| Beets | — | Feb 25–May 20 | 240 | two-plantings: Plant Feb 25 and again by Aug 15; both mature before Oct 23. | Aug 15 |
| Potatoes | — | Apr 8–Apr 15 | 198 | fits: 90 days to maturity, 198 available after Apr 8. | — |
| Garlic | — | Oct 16 | 282 | overwinter: Plant Oct 16 to Nov 6; harvest the following summer. | Nov 6 |
| Strawberry | — | Mar 18–May 13 | 233 | perennial: A perennial: plant Mar 18; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 25 | Apr 29–May 6 | 149 | fits: 75 days to maturity, 149 available after Apr 29. | Jun 28 |
| Pumpkin | Apr 8 | May 6–May 6 | 142 | fits: 100 days to maturity, 142 available after May 6. | Jun 3 |
| Cauliflower | Mar 11 | Apr 15–Apr 29 | 191 | fits: 75 days to maturity, 191 available after Apr 15. | Jul 26 |
| Swiss Chard | Feb 25 | Apr 8–Apr 8 | 198 | two-plantings: Plant Apr 8 and again by Aug 15; both mature before Oct 23. | Aug 15 |
| Arugula | — | Feb 25–May 20 | 254 | two-plantings: Plant Feb 25 and again by Sep 13; both mature before Nov 6. | Sep 13 |
| Brussel Sprouts | Feb 25 | Mar 25–Apr 8 | 226 | fits: 100 days to maturity, 226 available after Mar 25. | Jul 15 |
| Butternut Squash | Apr 8 | May 6–May 13 | 142 | fits: 100 days to maturity, 142 available after May 6. | Jun 3 |
| Eggplant | Mar 4 | May 6–May 13 | 135 | fits: 70 days to maturity, 135 available after May 6. | Jun 26 |
| Okra | Mar 25 | Apr 29–May 6 | 156 | two-plantings: Plant Apr 29 and again by Jul 25; both mature before Oct 2. | Jul 25 |
| Basil | Mar 18 | May 13–May 13 | 142 | two-plantings: Plant May 13 and again by Jul 20; both mature before Oct 2. | Jul 20 |
| Cilantro | — | Mar 25–Apr 15 | 212 | two-plantings: Plant Mar 25 and again by Aug 20; both mature before Oct 23. | Aug 20 |
| Parsley | Feb 11 | Apr 29–May 6 | 177 | fits: 70 days to maturity, 177 available after Apr 29. | Jul 31 |
| Celery | Feb 11 | Apr 29–May 13 | 177 | fits: 120 days to maturity, 177 available after Apr 29. | Jun 11 |
| Scallions | Feb 11 | Mar 25–Apr 8 | 226 | two-plantings: Plant Mar 25 and again by Aug 24; both mature before Nov 6. | Aug 24 |
| Turnip | — | Mar 25–Apr 8 | 226 | two-plantings: Plant Mar 25 and again by Sep 3; both mature before Nov 6. | Sep 3 |
| Kohlrabi | — | Mar 11–Mar 25 | 240 | two-plantings: Plant Mar 11 and again by Aug 29; both mature before Nov 6. | Aug 29 |
| Bok Choy | Mar 25 | Apr 15–Apr 22 | 191 | two-plantings: Plant Apr 15 and again by Aug 25; both mature before Oct 23. | Aug 25 |
| Collards | Feb 11 | Mar 25–Apr 8 | 226 | two-plantings: Plant Mar 25 and again by Aug 24; both mature before Nov 6. | Aug 24 |
| Cantaloupe | Apr 8 | May 6–May 13 | 135 | fits: 85 days to maturity, 135 available after May 6. | Jun 11 |
| Chives | Jan 28 | Apr 29–May 6 | 191 | fits: 90 days to maturity, 191 available after Apr 29. | — |
| Dill | — | Feb 25–May 20 | 240 | two-plantings: Plant Feb 25 and again by Aug 15; both mature before Oct 23. | Aug 15 |
| Oregano | Feb 11 | Apr 29–May 6 | 191 | fits: 80 days to maturity, 191 available after Apr 29. | — |
| Rosemary | Jan 28 | Apr 29–May 6 | 177 | fits: 80 days to maturity, 177 available after Apr 29. | — |
| Sage | Feb 25 | Apr 29–May 6 | 191 | fits: 75 days to maturity, 191 available after Apr 29. | — |
| Thyme | Feb 11 | Apr 29–May 6 | 191 | fits: 90 days to maturity, 191 available after Apr 29. | — |
| Calendula | Mar 11 | Apr 8–Apr 22 | 198 | two-plantings: Plant Apr 8 and again by Aug 20; both mature before Oct 23. | Aug 20 |
| Cosmos | Mar 25 | Apr 22–May 6 | 163 | two-plantings: Plant Apr 22 and again by Jul 20; both mature before Oct 2. | Jul 20 |
| Lavender | Jan 28 | Apr 22–May 6 | 198 | fits: 90 days to maturity, 198 available after Apr 22. | — |
| Marigolds | Mar 11 | Apr 22–Apr 29 | 163 | two-plantings: Plant Apr 22 and again by Jul 30; both mature before Oct 2. | Jul 30 |
| Melons | Apr 8 | May 6–May 13 | 135 | fits: 85 days to maturity, 135 available after May 6. | Jun 11 |
| Mint | — | Apr 22–May 6 | 198 | fits: 90 days to maturity, 198 available after Apr 22. | — |
| Nasturtiums | Mar 25 | Apr 22–Apr 29 | 163 | two-plantings: Plant Apr 22 and again by Jul 25; both mature before Oct 2. | Jul 25 |
| Pole Beans | — | Apr 29–May 13 | 156 | fits: 65 days to maturity, 156 available after Apr 29. | Jul 15 |
| Spaghetti Squash | Apr 8 | May 6–May 13 | 142 | fits: 90 days to maturity, 142 available after May 6. | Jun 13 |
| Sunflowers | — | Apr 22–May 6 | 163 | fits: 70 days to maturity, 163 available after Apr 22. | Jul 10 |
| Tomatillos | Feb 25 | Apr 29–May 6 | 142 | fits: 75 days to maturity, 142 available after Apr 29. | Jun 21 |
| Watermelon | Apr 8 | Apr 29–May 6 | 142 | fits: 80 days to maturity, 142 available after Apr 29. | Jun 16 |
| Yellow Squash | Apr 8 | May 6–May 13 | 149 | two-plantings: Plant May 6 and again by Jul 25; both mature before Oct 2. | Jul 25 |
| Zinnias | Mar 25 | Apr 22–May 6 | 163 | two-plantings: Plant Apr 22 and again by Jul 20; both mature before Oct 2. | Jul 20 |
Month by month in Streator
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 28), Lavender (Jan 28), Onion (Jan 28), Rosemary (Jan 28). |
| February | Start indoors: Celery (Feb 11), Collards (Feb 11), Kale (Feb 11), Oregano (Feb 11), Parsley (Feb 11), Scallions (Feb 11), +8 more. Direct sow from: Arugula (Feb 25), Beets (Feb 25), Dill (Feb 25), Peas (Feb 25), Radish (Feb 25), Spinach (Feb 25). |
| March | Start indoors: Eggplant (Mar 4), Calendula (Mar 11), Cauliflower (Mar 11), Marigolds (Mar 11), Pepper (Mar 11), Basil (Mar 18), +7 more. Direct sow from: Kohlrabi (Mar 11), Cilantro (Mar 25), Turnip (Mar 25). Transplant from: Broccoli (Mar 25), Brussel Sprouts (Mar 25), Cabbage (Mar 25), Collards (Mar 25), Kale (Mar 25), Lettuce (Mar 25), +2 more. Plant: Strawberry (Mar 18). |
| April | Start indoors: Cucumber (Apr 1), Butternut Squash (Apr 8), Cantaloupe (Apr 8), Melons (Apr 8), Pumpkin (Apr 8), Spaghetti Squash (Apr 8), +3 more. Direct sow from: Carrots (Apr 1), Potatoes (Apr 8), Sunflowers (Apr 22), Beans (Apr 29), Pole Beans (Apr 29). Transplant from: Calendula (Apr 8), Swiss Chard (Apr 8), Bok Choy (Apr 15), Cauliflower (Apr 15), Cosmos (Apr 22), Lavender (Apr 22), +15 more. Last frost around April 22. |
| May | Transplant from: Butternut Squash (May 6), Cantaloupe (May 6), Cucumber (May 6), Eggplant (May 6), Melons (May 6), Pepper (May 6), +6 more. |
| June | Last sowing dates: Butternut Squash (Jun 3), Pumpkin (Jun 3), Cantaloupe (Jun 11), Celery (Jun 11), Melons (Jun 11), Spaghetti Squash (Jun 13), +6 more. |
| July | Last sowing dates: Sunflowers (Jul 10), Brussel Sprouts (Jul 15), Pole Beans (Jul 15), Basil (Jul 20), Cosmos (Jul 20), Cucumber (Jul 20), +10 more. |
| August | Last sowing dates: Peas (Aug 5), Cabbage (Aug 14), Carrots (Aug 14), Beets (Aug 15), Dill (Aug 15), Swiss Chard (Aug 15), +8 more. |
| September | Last sowing dates: Turnip (Sep 3), Arugula (Sep 13), Spinach (Sep 13), Radish (Sep 14). |
| October | Direct sow from: Garlic (Oct 16). First frost around October 16. |
| November | Last sowing dates: Garlic (Nov 6). |
| 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 Streator, IL (ZIP 61364)?
The median last spring frost date for Streator, IL (ZIP code 61364) is around April 22. 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 5; one in ten it runs past May 10.
What is the first fall frost date in Streator, IL?
The median first fall frost date for Streator, IL is around October 16. 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 Streator, IL?
The frost-free growing season in Streator is about 177 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 Streator (177 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 Streator, IL?
Streator, IL is in USDA hardiness zone 5b (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 Streator, IL?
Start tomatoes indoors Mar 18 and plant out May 6 in Streator. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Streator?
Two: plant Mar 25 and again by Aug 25; both mature before Oct 23.
When do I plant garlic in Streator?
Oct 16 to Nov 6; it overwinters and is ready the following summer.
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