Frost Dates for Middleville, MI 49333
Last spring frost May 5 · First fall frost October 8 · 156 frost-free days · USDA Zone 6a
ZIP 49333 has about 12,800 people.
Moderate season: 156 frost-free days. Spring frost risk spans April 20–May 19 (29 days). Fall frost risk spans September 26–October 21 (25 days).
Frost probability for 49333
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 19 | May 5 | April 20 |
| Fall (first frost) | September 26 | October 8 | October 21 |
Dates come from NOAA 1971–2000 freeze probabilities at GERALD R FORD INTL AP (KENT CO (21.3 km away); the 50% date is the median year.
Which crops fit a 156-day season in Middleville
In Middleville (156 frost-free days, a moderate season), 32 of 56 planner crops fit outright, 23 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Mar 31 | May 19–May 26 | 114 | fits: 80 days to maturity, 114 available after May 19. | Jun 8 |
| Pepper | Mar 24 | May 19–May 26 | 114 | fits: 75 days to maturity, 114 available after May 19. | Jun 13 |
| Lettuce | Mar 10 | Apr 7–Apr 14 | 191 | two-plantings: Plant Apr 7 and again by Aug 17; both mature before Oct 15. | Aug 17 |
| Carrots | — | Apr 14–Apr 21 | 198 | fits: 70 days to maturity, 198 available after Apr 14. | Aug 6 |
| Cucumber | Apr 14 | May 19–May 26 | 128 | fits: 60 days to maturity, 128 available after May 19. | Jul 12 |
| Beans | — | May 12–May 26 | 142 | two-plantings: Plant May 12 and again by Jul 19; both mature before Oct 1. | Jul 19 |
| Peas | — | Mar 10–May 19 | 219 | fits: 65 days to maturity, 219 available after Mar 10. | Jul 28 |
| Zucchini | Apr 21 | May 19–May 26 | 128 | two-plantings: Plant May 19 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Onion | Feb 10 | Apr 7–Apr 21 | 191 | fits: 100 days to maturity, 191 available after Apr 7. | — |
| Spinach | — | Mar 10–Apr 28 | 233 | two-plantings: Plant Mar 10 and again by Sep 5; both mature before Oct 29. | Sep 5 |
| Kale | Feb 24 | Apr 7–Apr 21 | 205 | two-plantings: Plant Apr 7 and again by Aug 21; both mature before Oct 29. | Aug 21 |
| Broccoli | Mar 10 | Apr 7–Apr 21 | 191 | fits: 80 days to maturity, 191 available after Apr 7. | Jul 13 |
| Cabbage | Mar 10 | Apr 7–Apr 21 | 205 | fits: 70 days to maturity, 205 available after Apr 7. | Aug 6 |
| Radish | — | Mar 10–Jun 2 | 219 | two-plantings: Plant Mar 10 and again by Sep 6; both mature before Oct 15. | Sep 6 |
| Beets | — | Mar 10–Jun 2 | 219 | two-plantings: Plant Mar 10 and again by Aug 7; both mature before Oct 15. | Aug 7 |
| Potatoes | — | Apr 21–Apr 28 | 177 | fits: 90 days to maturity, 177 available after Apr 21. | — |
| Garlic | — | Oct 8 | 261 | overwinter: Plant Oct 8 to Oct 29; harvest the following summer. | Oct 29 |
| Strawberry | — | Mar 31–May 26 | 212 | perennial: A perennial: plant Mar 31; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 7 | May 12–May 19 | 128 | fits: 75 days to maturity, 128 available after May 12. | Jun 20 |
| Pumpkin | Apr 21 | May 19–May 19 | 121 | fits: 100 days to maturity, 121 available after May 19. | May 26 |
| Cauliflower | Mar 24 | Apr 28–May 12 | 170 | fits: 75 days to maturity, 170 available after Apr 28. | Jul 18 |
| Swiss Chard | Mar 10 | Apr 21–Apr 21 | 177 | two-plantings: Plant Apr 21 and again by Aug 7; both mature before Oct 15. | Aug 7 |
| Arugula | — | Mar 10–Jun 2 | 233 | two-plantings: Plant Mar 10 and again by Sep 5; both mature before Oct 29. | Sep 5 |
| Brussel Sprouts | Mar 10 | Apr 7–Apr 21 | 205 | fits: 100 days to maturity, 205 available after Apr 7. | Jul 7 |
| Butternut Squash | Apr 21 | May 19–May 26 | 121 | fits: 100 days to maturity, 121 available after May 19. | May 26 |
| Eggplant | Mar 17 | May 19–May 26 | 114 | fits: 70 days to maturity, 114 available after May 19. | Jun 18 |
| Okra | Apr 7 | May 12–May 19 | 135 | two-plantings: Plant May 12 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Basil | Mar 31 | May 26–May 26 | 121 | fits: 60 days to maturity, 121 available after May 26. | Jul 12 |
| Cilantro | — | Apr 7–Apr 28 | 191 | two-plantings: Plant Apr 7 and again by Aug 12; both mature before Oct 15. | Aug 12 |
| Parsley | Feb 24 | May 12–May 19 | 156 | fits: 70 days to maturity, 156 available after May 12. | Jul 23 |
| Celery | Feb 24 | May 12–May 26 | 156 | fits: 120 days to maturity, 156 available after May 12. | Jun 3 |
| Scallions | Feb 24 | Apr 7–Apr 21 | 205 | two-plantings: Plant Apr 7 and again by Aug 16; both mature before Oct 29. | Aug 16 |
| Turnip | — | Apr 7–Apr 21 | 205 | two-plantings: Plant Apr 7 and again by Aug 26; both mature before Oct 29. | Aug 26 |
| Kohlrabi | — | Mar 24–Apr 7 | 219 | two-plantings: Plant Mar 24 and again by Aug 21; both mature before Oct 29. | Aug 21 |
| Bok Choy | Apr 7 | Apr 28–May 5 | 170 | two-plantings: Plant Apr 28 and again by Aug 17; both mature before Oct 15. | Aug 17 |
| Collards | Feb 24 | Apr 7–Apr 21 | 205 | two-plantings: Plant Apr 7 and again by Aug 16; both mature before Oct 29. | Aug 16 |
| Cantaloupe | Apr 21 | May 19–May 26 | 114 | fits: 85 days to maturity, 114 available after May 19. | Jun 3 |
| Chives | Feb 10 | May 12–May 19 | 170 | fits: 90 days to maturity, 170 available after May 12. | — |
| Dill | — | Mar 10–Jun 2 | 219 | two-plantings: Plant Mar 10 and again by Aug 7; both mature before Oct 15. | Aug 7 |
| Oregano | Feb 24 | May 12–May 19 | 170 | fits: 80 days to maturity, 170 available after May 12. | — |
| Rosemary | Feb 10 | May 12–May 19 | 156 | fits: 80 days to maturity, 156 available after May 12. | — |
| Sage | Mar 10 | May 12–May 19 | 170 | fits: 75 days to maturity, 170 available after May 12. | — |
| Thyme | Feb 24 | May 12–May 19 | 170 | fits: 90 days to maturity, 170 available after May 12. | — |
| Calendula | Mar 24 | Apr 21–May 5 | 177 | two-plantings: Plant Apr 21 and again by Aug 12; both mature before Oct 15. | Aug 12 |
| Cosmos | Apr 7 | May 5–May 19 | 142 | two-plantings: Plant May 5 and again by Jul 12; both mature before Sep 24. | Jul 12 |
| Lavender | Feb 10 | May 5–May 19 | 177 | fits: 90 days to maturity, 177 available after May 5. | — |
| Marigolds | Mar 24 | May 5–May 12 | 142 | two-plantings: Plant May 5 and again by Jul 22; both mature before Sep 24. | Jul 22 |
| Melons | Apr 21 | May 19–May 26 | 114 | fits: 85 days to maturity, 114 available after May 19. | Jun 3 |
| Mint | — | May 5–May 19 | 177 | fits: 90 days to maturity, 177 available after May 5. | — |
| Nasturtiums | Apr 7 | May 5–May 12 | 142 | two-plantings: Plant May 5 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Pole Beans | — | May 12–May 26 | 135 | fits: 65 days to maturity, 135 available after May 12. | Jul 7 |
| Spaghetti Squash | Apr 21 | May 19–May 26 | 121 | fits: 90 days to maturity, 121 available after May 19. | Jun 5 |
| Sunflowers | — | May 5–May 19 | 142 | fits: 70 days to maturity, 142 available after May 5. | Jul 2 |
| Tomatillos | Mar 10 | May 12–May 19 | 121 | fits: 75 days to maturity, 121 available after May 12. | Jun 13 |
| Watermelon | Apr 21 | May 12–May 19 | 121 | fits: 80 days to maturity, 121 available after May 12. | Jun 8 |
| Yellow Squash | Apr 21 | May 19–May 26 | 128 | two-plantings: Plant May 19 and again by Jul 17; both mature before Sep 24. | Jul 17 |
| Zinnias | Apr 7 | May 5–May 19 | 142 | two-plantings: Plant May 5 and again by Jul 12; both mature before Sep 24. | Jul 12 |
Month by month in Middleville
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 10), Lavender (Feb 10), Onion (Feb 10), Rosemary (Feb 10), Celery (Feb 24), Collards (Feb 24), +5 more. |
| March | Start indoors: Broccoli (Mar 10), Brussel Sprouts (Mar 10), Cabbage (Mar 10), Lettuce (Mar 10), Sage (Mar 10), Swiss Chard (Mar 10), +8 more. Direct sow from: Arugula (Mar 10), Beets (Mar 10), Dill (Mar 10), Peas (Mar 10), Radish (Mar 10), Spinach (Mar 10), +1 more. Plant: Strawberry (Mar 31). |
| April | Start indoors: Bok Choy (Apr 7), Corn (Apr 7), Cosmos (Apr 7), Nasturtiums (Apr 7), Okra (Apr 7), Zinnias (Apr 7), +9 more. Direct sow from: Cilantro (Apr 7), Turnip (Apr 7), Carrots (Apr 14), Potatoes (Apr 21). Transplant from: Broccoli (Apr 7), Brussel Sprouts (Apr 7), Cabbage (Apr 7), Collards (Apr 7), Kale (Apr 7), Lettuce (Apr 7), +6 more. |
| May | Direct sow from: Sunflowers (May 5), Beans (May 12), Pole Beans (May 12). Transplant from: Cosmos (May 5), Lavender (May 5), Marigolds (May 5), Mint (May 5), Nasturtiums (May 5), Zinnias (May 5), +23 more. Last frost around May 5. Last sowing dates: Butternut Squash (May 26), Pumpkin (May 26). |
| June | Last sowing dates: Cantaloupe (Jun 3), Celery (Jun 3), Melons (Jun 3), Spaghetti Squash (Jun 5), Tomato (Jun 8), Watermelon (Jun 8), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 2), Brussel Sprouts (Jul 7), Pole Beans (Jul 7), Basil (Jul 12), Cosmos (Jul 12), Cucumber (Jul 12), +11 more. |
| August | Last sowing dates: Cabbage (Aug 6), Carrots (Aug 6), Beets (Aug 7), Dill (Aug 7), Swiss Chard (Aug 7), Calendula (Aug 12), +8 more. |
| September | Last sowing dates: Arugula (Sep 5), Spinach (Sep 5), Radish (Sep 6). |
| October | Direct sow from: Garlic (Oct 8). First frost around October 8. Last sowing dates: Garlic (Oct 29). |
| November | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
| 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 Middleville, MI (ZIP 49333)?
The median last spring frost date for Middleville, MI (ZIP code 49333) is around May 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 April 20; one in ten it runs past May 19.
What is the first fall frost date in Middleville, MI?
The median first fall frost date for Middleville, MI is around October 8. 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 26 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Middleville, MI?
The frost-free growing season in Middleville is about 156 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 Middleville (156 frost-free days, a moderate season), 32 of 56 planner crops fit outright, 23 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Middleville, MI?
Middleville, MI is in USDA hardiness zone 6a (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 Middleville, MI?
Start tomatoes indoors Mar 31 and plant out May 19 in Middleville. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Middleville?
Two: plant Apr 7 and again by Aug 17; both mature before Oct 15.
When do I plant garlic in Middleville?
Oct 8 to Oct 29; it overwinters and is ready the following summer.
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