Frost Dates for Amelia, OH 45102
Last spring frost April 17 · First fall frost October 23 · 189 frost-free days · USDA Zone 6b
ZIP 45102 has about 25,400 people.
Long season: 189 frost-free days. Spring frost risk spans April 3–May 2 (29 days). Fall frost risk spans October 9–November 6 (28 days).
Frost probability for 45102
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 2 | April 17 | April 3 |
| Fall (first frost) | October 9 | October 23 | November 6 |
Dates come from NOAA 1971–2000 freeze probabilities at CHILO MELDAHL LOCKS & DAM (24.6 km away); the 50% date is the median year.
Which crops fit a 189-day season in Amelia
In Amelia (189 frost-free days, a long 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 13 | May 1–May 8 | 147 | fits: 80 days to maturity, 147 available after May 1. | Jun 23 |
| Pepper | Mar 6 | May 1–May 8 | 147 | fits: 75 days to maturity, 147 available after May 1. | Jun 28 |
| Lettuce | Feb 20 | Mar 20–Mar 27 | 224 | two-plantings: Plant Mar 20 and again by Sep 1; both mature before Oct 30. | Sep 1 |
| Carrots | — | Mar 27–Apr 3 | 231 | fits: 70 days to maturity, 231 available after Mar 27. | Aug 21 |
| Cucumber | Mar 27 | May 1–May 8 | 161 | two-plantings: Plant May 1 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Beans | — | Apr 24–May 8 | 175 | two-plantings: Plant Apr 24 and again by Aug 3; both mature before Oct 16. | Aug 3 |
| Peas | — | Feb 20–May 1 | 252 | fits: 65 days to maturity, 252 available after Feb 20. | Aug 12 |
| Zucchini | Apr 3 | May 1–May 8 | 161 | two-plantings: Plant May 1 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Onion | Jan 23 | Mar 20–Apr 3 | 224 | fits: 100 days to maturity, 224 available after Mar 20. | — |
| Spinach | — | Feb 20–Apr 10 | 266 | two-plantings: Plant Feb 20 and again by Sep 20; both mature before Nov 13. | Sep 20 |
| Kale | Feb 6 | Mar 20–Apr 3 | 238 | two-plantings: Plant Mar 20 and again by Sep 5; both mature before Nov 13. | Sep 5 |
| Broccoli | Feb 20 | Mar 20–Apr 3 | 224 | fits: 80 days to maturity, 224 available after Mar 20. | Jul 28 |
| Cabbage | Feb 20 | Mar 20–Apr 3 | 238 | fits: 70 days to maturity, 238 available after Mar 20. | Aug 21 |
| Radish | — | Feb 20–May 15 | 252 | two-plantings: Plant Feb 20 and again by Sep 21; both mature before Oct 30. | Sep 21 |
| Beets | — | Feb 20–May 15 | 252 | two-plantings: Plant Feb 20 and again by Aug 22; both mature before Oct 30. | Aug 22 |
| Potatoes | — | Apr 3–Apr 10 | 210 | fits: 90 days to maturity, 210 available after Apr 3. | — |
| Garlic | — | Oct 23 | 294 | overwinter: Plant Oct 23 to Nov 13; harvest the following summer. | Nov 13 |
| Strawberry | — | Mar 13–May 8 | 245 | perennial: A perennial: plant Mar 13; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 20 | Apr 24–May 1 | 161 | fits: 75 days to maturity, 161 available after Apr 24. | Jul 5 |
| Pumpkin | Apr 3 | May 1–May 1 | 154 | fits: 100 days to maturity, 154 available after May 1. | Jun 10 |
| Cauliflower | Mar 6 | Apr 10–Apr 24 | 203 | fits: 75 days to maturity, 203 available after Apr 10. | Aug 2 |
| Swiss Chard | Feb 20 | Apr 3–Apr 3 | 210 | two-plantings: Plant Apr 3 and again by Aug 22; both mature before Oct 30. | Aug 22 |
| Arugula | — | Feb 20–May 15 | 266 | two-plantings: Plant Feb 20 and again by Sep 20; both mature before Nov 13. | Sep 20 |
| Brussel Sprouts | Feb 20 | Mar 20–Apr 3 | 238 | fits: 100 days to maturity, 238 available after Mar 20. | Jul 22 |
| Butternut Squash | Apr 3 | May 1–May 8 | 154 | fits: 100 days to maturity, 154 available after May 1. | Jun 10 |
| Eggplant | Feb 27 | May 1–May 8 | 147 | fits: 70 days to maturity, 147 available after May 1. | Jul 3 |
| Okra | Mar 20 | Apr 24–May 1 | 168 | two-plantings: Plant Apr 24 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Basil | Mar 13 | May 8–May 8 | 154 | two-plantings: Plant May 8 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Cilantro | — | Mar 20–Apr 10 | 224 | two-plantings: Plant Mar 20 and again by Aug 27; both mature before Oct 30. | Aug 27 |
| Parsley | Feb 6 | Apr 24–May 1 | 189 | fits: 70 days to maturity, 189 available after Apr 24. | Aug 7 |
| Celery | Feb 6 | Apr 24–May 8 | 189 | fits: 120 days to maturity, 189 available after Apr 24. | Jun 18 |
| Scallions | Feb 6 | Mar 20–Apr 3 | 238 | two-plantings: Plant Mar 20 and again by Aug 31; both mature before Nov 13. | Aug 31 |
| Turnip | — | Mar 20–Apr 3 | 238 | two-plantings: Plant Mar 20 and again by Sep 10; both mature before Nov 13. | Sep 10 |
| Kohlrabi | — | Mar 6–Mar 20 | 252 | two-plantings: Plant Mar 6 and again by Sep 5; both mature before Nov 13. | Sep 5 |
| Bok Choy | Mar 20 | Apr 10–Apr 17 | 203 | two-plantings: Plant Apr 10 and again by Sep 1; both mature before Oct 30. | Sep 1 |
| Collards | Feb 6 | Mar 20–Apr 3 | 238 | two-plantings: Plant Mar 20 and again by Aug 31; both mature before Nov 13. | Aug 31 |
| Cantaloupe | Apr 3 | May 1–May 8 | 147 | fits: 85 days to maturity, 147 available after May 1. | Jun 18 |
| Chives | Jan 23 | Apr 24–May 1 | 203 | fits: 90 days to maturity, 203 available after Apr 24. | — |
| Dill | — | Feb 20–May 15 | 252 | two-plantings: Plant Feb 20 and again by Aug 22; both mature before Oct 30. | Aug 22 |
| Oregano | Feb 6 | Apr 24–May 1 | 203 | fits: 80 days to maturity, 203 available after Apr 24. | — |
| Rosemary | Jan 23 | Apr 24–May 1 | 189 | fits: 80 days to maturity, 189 available after Apr 24. | — |
| Sage | Feb 20 | Apr 24–May 1 | 203 | fits: 75 days to maturity, 203 available after Apr 24. | — |
| Thyme | Feb 6 | Apr 24–May 1 | 203 | fits: 90 days to maturity, 203 available after Apr 24. | — |
| Calendula | Mar 6 | Apr 3–Apr 17 | 210 | two-plantings: Plant Apr 3 and again by Aug 27; both mature before Oct 30. | Aug 27 |
| Cosmos | Mar 20 | Apr 17–May 1 | 175 | two-plantings: Plant Apr 17 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Lavender | Jan 23 | Apr 17–May 1 | 210 | fits: 90 days to maturity, 210 available after Apr 17. | — |
| Marigolds | Mar 6 | Apr 17–Apr 24 | 175 | two-plantings: Plant Apr 17 and again by Aug 6; both mature before Oct 9. | Aug 6 |
| Melons | Apr 3 | May 1–May 8 | 147 | fits: 85 days to maturity, 147 available after May 1. | Jun 18 |
| Mint | — | Apr 17–May 1 | 210 | fits: 90 days to maturity, 210 available after Apr 17. | — |
| Nasturtiums | Mar 20 | Apr 17–Apr 24 | 175 | two-plantings: Plant Apr 17 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Pole Beans | — | Apr 24–May 8 | 168 | fits: 65 days to maturity, 168 available after Apr 24. | Jul 22 |
| Spaghetti Squash | Apr 3 | May 1–May 8 | 154 | fits: 90 days to maturity, 154 available after May 1. | Jun 20 |
| Sunflowers | — | Apr 17–May 1 | 175 | fits: 70 days to maturity, 175 available after Apr 17. | Jul 17 |
| Tomatillos | Feb 20 | Apr 24–May 1 | 154 | fits: 75 days to maturity, 154 available after Apr 24. | Jun 28 |
| Watermelon | Apr 3 | Apr 24–May 1 | 154 | fits: 80 days to maturity, 154 available after Apr 24. | Jun 23 |
| Yellow Squash | Apr 3 | May 1–May 8 | 161 | two-plantings: Plant May 1 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Zinnias | Mar 20 | Apr 17–May 1 | 175 | two-plantings: Plant Apr 17 and again by Jul 27; both mature before Oct 9. | Jul 27 |
Month by month in Amelia
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 23), Lavender (Jan 23), Onion (Jan 23), Rosemary (Jan 23). |
| February | Start indoors: Celery (Feb 6), Collards (Feb 6), Kale (Feb 6), Oregano (Feb 6), Parsley (Feb 6), Scallions (Feb 6), +9 more. Direct sow from: Arugula (Feb 20), Beets (Feb 20), Dill (Feb 20), Peas (Feb 20), Radish (Feb 20), Spinach (Feb 20). |
| March | Start indoors: Calendula (Mar 6), Cauliflower (Mar 6), Marigolds (Mar 6), Pepper (Mar 6), Basil (Mar 13), Tomato (Mar 13), +7 more. Direct sow from: Kohlrabi (Mar 6), Cilantro (Mar 20), Turnip (Mar 20), Carrots (Mar 27). Transplant from: Broccoli (Mar 20), Brussel Sprouts (Mar 20), Cabbage (Mar 20), Collards (Mar 20), Kale (Mar 20), Lettuce (Mar 20), +2 more. Plant: Strawberry (Mar 13). |
| April | Start indoors: Butternut Squash (Apr 3), Cantaloupe (Apr 3), Melons (Apr 3), Pumpkin (Apr 3), Spaghetti Squash (Apr 3), Watermelon (Apr 3), +2 more. Direct sow from: Potatoes (Apr 3), Sunflowers (Apr 17), Beans (Apr 24), Pole Beans (Apr 24). Transplant from: Calendula (Apr 3), Swiss Chard (Apr 3), Bok Choy (Apr 10), Cauliflower (Apr 10), Cosmos (Apr 17), Lavender (Apr 17), +15 more. Last frost around April 17. |
| May | Transplant from: Butternut Squash (May 1), Cantaloupe (May 1), Cucumber (May 1), Eggplant (May 1), Melons (May 1), Pepper (May 1), +6 more. |
| June | Last sowing dates: Butternut Squash (Jun 10), Pumpkin (Jun 10), Cantaloupe (Jun 18), Celery (Jun 18), Melons (Jun 18), Spaghetti Squash (Jun 20), +4 more. |
| July | Last sowing dates: Eggplant (Jul 3), Corn (Jul 5), Sunflowers (Jul 17), Brussel Sprouts (Jul 22), Pole Beans (Jul 22), Basil (Jul 27), +4 more. |
| August | Last sowing dates: Nasturtiums (Aug 1), Okra (Aug 1), Yellow Squash (Aug 1), Zucchini (Aug 1), Cauliflower (Aug 2), Beans (Aug 3), +12 more. |
| September | Last sowing dates: Bok Choy (Sep 1), Lettuce (Sep 1), Kale (Sep 5), Kohlrabi (Sep 5), Turnip (Sep 10), Arugula (Sep 20), +2 more. |
| October | Direct sow from: Garlic (Oct 23). First frost around October 23. |
| November | Last sowing dates: Garlic (Nov 13). |
| 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 Amelia, OH (ZIP 45102)?
The median last spring frost date for Amelia, OH (ZIP code 45102) is around April 17. 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 3; one in ten it runs past May 2.
What is the first fall frost date in Amelia, OH?
The median first fall frost date for Amelia, OH is around October 23. 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 9 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Amelia, OH?
The frost-free growing season in Amelia is about 189 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 Amelia (189 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Amelia, OH?
Amelia, OH 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 Amelia, OH?
Start tomatoes indoors Mar 13 and plant out May 1 in Amelia. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Amelia?
Two: plant Mar 20 and again by Sep 1; both mature before Oct 30.
When do I plant garlic in Amelia?
Oct 23 to Nov 13; it overwinters and is ready the following summer.
Can I get two tomato crops in Amelia?
Yes: plant out May 1 for a summer crop, and set out a second round of transplants by Jun 23 for a fall crop.
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