Frost Dates for Connellsville, PA 15425
Last spring frost May 10 · First fall frost October 7 · 150 frost-free days · USDA Zone 6b
ZIP 15425 has about 17,500 people.
Moderate season: 150 frost-free days. Spring frost risk spans April 27–May 26 (29 days). Fall frost risk spans September 22–October 20 (28 days).
Frost probability for 15425
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 26 | May 10 | April 27 |
| Fall (first frost) | September 22 | October 7 | October 20 |
Dates come from NOAA 1971–2000 freeze probabilities at CONFLUENCE 1 SW DAM (29.9 km away); the 50% date is the median year.
Which crops fit a 150-day season in Connellsville
In Connellsville (150 frost-free days, a moderate season), 34 of 56 planner crops fit outright, 21 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 5 | May 24–May 31 | 108 | fits: 80 days to maturity, 108 available after May 24. | Jun 7 |
| Pepper | Mar 29 | May 24–May 31 | 108 | fits: 75 days to maturity, 108 available after May 24. | Jun 12 |
| Lettuce | Mar 15 | Apr 12–Apr 19 | 185 | two-plantings: Plant Apr 12 and again by Aug 16; both mature before Oct 14. | Aug 16 |
| Carrots | — | Apr 19–Apr 26 | 192 | fits: 70 days to maturity, 192 available after Apr 19. | Aug 5 |
| Cucumber | Apr 19 | May 24–May 31 | 122 | fits: 60 days to maturity, 122 available after May 24. | Jul 11 |
| Beans | — | May 17–May 31 | 136 | two-plantings: Plant May 17 and again by Jul 18; both mature before Sep 30. | Jul 18 |
| Peas | — | Mar 15–May 24 | 213 | fits: 65 days to maturity, 213 available after Mar 15. | Jul 27 |
| Zucchini | Apr 26 | May 24–May 31 | 122 | fits: 55 days to maturity, 122 available after May 24. | Jul 16 |
| Onion | Feb 15 | Apr 12–Apr 26 | 185 | fits: 100 days to maturity, 185 available after Apr 12. | — |
| Spinach | — | Mar 15–May 3 | 227 | two-plantings: Plant Mar 15 and again by Sep 4; both mature before Oct 28. | Sep 4 |
| Kale | Mar 1 | Apr 12–Apr 26 | 199 | two-plantings: Plant Apr 12 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Broccoli | Mar 15 | Apr 12–Apr 26 | 185 | fits: 80 days to maturity, 185 available after Apr 12. | Jul 12 |
| Cabbage | Mar 15 | Apr 12–Apr 26 | 199 | fits: 70 days to maturity, 199 available after Apr 12. | Aug 5 |
| Radish | — | Mar 15–Jun 7 | 213 | two-plantings: Plant Mar 15 and again by Sep 5; both mature before Oct 14. | Sep 5 |
| Beets | — | Mar 15–Jun 7 | 213 | two-plantings: Plant Mar 15 and again by Aug 6; both mature before Oct 14. | Aug 6 |
| Potatoes | — | Apr 26–May 3 | 171 | fits: 90 days to maturity, 171 available after Apr 26. | — |
| Garlic | — | Oct 7 | 255 | overwinter: Plant Oct 7 to Oct 28; harvest the following summer. | Oct 28 |
| Strawberry | — | Apr 5–May 31 | 206 | perennial: A perennial: plant Apr 5; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 12 | May 17–May 24 | 122 | fits: 75 days to maturity, 122 available after May 17. | Jun 19 |
| Pumpkin | Apr 26 | May 24–May 24 | 115 | fits: 100 days to maturity, 115 available after May 24. | May 25 |
| Cauliflower | Mar 29 | May 3–May 17 | 164 | fits: 75 days to maturity, 164 available after May 3. | Jul 17 |
| Swiss Chard | Mar 15 | Apr 26–Apr 26 | 171 | two-plantings: Plant Apr 26 and again by Aug 6; both mature before Oct 14. | Aug 6 |
| Arugula | — | Mar 15–Jun 7 | 227 | two-plantings: Plant Mar 15 and again by Sep 4; both mature before Oct 28. | Sep 4 |
| Brussel Sprouts | Mar 15 | Apr 12–Apr 26 | 199 | fits: 100 days to maturity, 199 available after Apr 12. | Jul 6 |
| Butternut Squash | Apr 26 | May 24–May 31 | 115 | fits: 100 days to maturity, 115 available after May 24. | May 25 |
| Eggplant | Mar 22 | May 24–May 31 | 108 | fits: 70 days to maturity, 108 available after May 24. | Jun 17 |
| Okra | Apr 12 | May 17–May 24 | 129 | two-plantings: Plant May 17 and again by Jul 16; both mature before Sep 23. | Jul 16 |
| Basil | Apr 5 | May 31–May 31 | 115 | fits: 60 days to maturity, 115 available after May 31. | Jul 11 |
| Cilantro | — | Apr 12–May 3 | 185 | two-plantings: Plant Apr 12 and again by Aug 11; both mature before Oct 14. | Aug 11 |
| Parsley | Mar 1 | May 17–May 24 | 150 | fits: 70 days to maturity, 150 available after May 17. | Jul 22 |
| Celery | Mar 1 | May 17–May 31 | 150 | fits: 120 days to maturity, 150 available after May 17. | Jun 2 |
| Scallions | Mar 1 | Apr 12–Apr 26 | 199 | two-plantings: Plant Apr 12 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Turnip | — | Apr 12–Apr 26 | 199 | two-plantings: Plant Apr 12 and again by Aug 25; both mature before Oct 28. | Aug 25 |
| Kohlrabi | — | Mar 29–Apr 12 | 213 | two-plantings: Plant Mar 29 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Bok Choy | Apr 12 | May 3–May 10 | 164 | two-plantings: Plant May 3 and again by Aug 16; both mature before Oct 14. | Aug 16 |
| Collards | Mar 1 | Apr 12–Apr 26 | 199 | two-plantings: Plant Apr 12 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Cantaloupe | Apr 26 | May 24–May 31 | 108 | fits: 85 days to maturity, 108 available after May 24. | Jun 2 |
| Chives | Feb 15 | May 17–May 24 | 164 | fits: 90 days to maturity, 164 available after May 17. | — |
| Dill | — | Mar 15–Jun 7 | 213 | two-plantings: Plant Mar 15 and again by Aug 6; both mature before Oct 14. | Aug 6 |
| Oregano | Mar 1 | May 17–May 24 | 164 | fits: 80 days to maturity, 164 available after May 17. | — |
| Rosemary | Feb 15 | May 17–May 24 | 150 | fits: 80 days to maturity, 150 available after May 17. | — |
| Sage | Mar 15 | May 17–May 24 | 164 | fits: 75 days to maturity, 164 available after May 17. | — |
| Thyme | Mar 1 | May 17–May 24 | 164 | fits: 90 days to maturity, 164 available after May 17. | — |
| Calendula | Mar 29 | Apr 26–May 10 | 171 | two-plantings: Plant Apr 26 and again by Aug 11; both mature before Oct 14. | Aug 11 |
| Cosmos | Apr 12 | May 10–May 24 | 136 | two-plantings: Plant May 10 and again by Jul 11; both mature before Sep 23. | Jul 11 |
| Lavender | Feb 15 | May 10–May 24 | 171 | fits: 90 days to maturity, 171 available after May 10. | — |
| Marigolds | Mar 29 | May 10–May 17 | 136 | two-plantings: Plant May 10 and again by Jul 21; both mature before Sep 23. | Jul 21 |
| Melons | Apr 26 | May 24–May 31 | 108 | fits: 85 days to maturity, 108 available after May 24. | Jun 2 |
| Mint | — | May 10–May 24 | 171 | fits: 90 days to maturity, 171 available after May 10. | — |
| Nasturtiums | Apr 12 | May 10–May 17 | 136 | two-plantings: Plant May 10 and again by Jul 16; both mature before Sep 23. | Jul 16 |
| Pole Beans | — | May 17–May 31 | 129 | fits: 65 days to maturity, 129 available after May 17. | Jul 6 |
| Spaghetti Squash | Apr 26 | May 24–May 31 | 115 | fits: 90 days to maturity, 115 available after May 24. | Jun 4 |
| Sunflowers | — | May 10–May 24 | 136 | fits: 70 days to maturity, 136 available after May 10. | Jul 1 |
| Tomatillos | Mar 15 | May 17–May 24 | 115 | fits: 75 days to maturity, 115 available after May 17. | Jun 12 |
| Watermelon | Apr 26 | May 17–May 24 | 115 | fits: 80 days to maturity, 115 available after May 17. | Jun 7 |
| Yellow Squash | Apr 26 | May 24–May 31 | 122 | fits: 55 days to maturity, 122 available after May 24. | Jul 16 |
| Zinnias | Apr 12 | May 10–May 24 | 136 | two-plantings: Plant May 10 and again by Jul 11; both mature before Sep 23. | Jul 11 |
Month by month in Connellsville
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 15), Lavender (Feb 15), Onion (Feb 15), Rosemary (Feb 15). |
| March | Start indoors: Celery (Mar 1), Collards (Mar 1), Kale (Mar 1), Oregano (Mar 1), Parsley (Mar 1), Scallions (Mar 1), +13 more. Direct sow from: Arugula (Mar 15), Beets (Mar 15), Dill (Mar 15), Peas (Mar 15), Radish (Mar 15), Spinach (Mar 15), +1 more. |
| April | Start indoors: Basil (Apr 5), Tomato (Apr 5), Bok Choy (Apr 12), Corn (Apr 12), Cosmos (Apr 12), Nasturtiums (Apr 12), +11 more. Direct sow from: Cilantro (Apr 12), Turnip (Apr 12), Carrots (Apr 19), Potatoes (Apr 26). Transplant from: Broccoli (Apr 12), Brussel Sprouts (Apr 12), Cabbage (Apr 12), Collards (Apr 12), Kale (Apr 12), Lettuce (Apr 12), +4 more. Plant: Strawberry (Apr 5). |
| May | Direct sow from: Sunflowers (May 10), Beans (May 17), Pole Beans (May 17). Transplant from: Bok Choy (May 3), Cauliflower (May 3), Cosmos (May 10), Lavender (May 10), Marigolds (May 10), Mint (May 10), +25 more. Last frost around May 10. Last sowing dates: Butternut Squash (May 25), Pumpkin (May 25). |
| June | Last sowing dates: Cantaloupe (Jun 2), Celery (Jun 2), Melons (Jun 2), Spaghetti Squash (Jun 4), Tomato (Jun 7), Watermelon (Jun 7), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 1), Brussel Sprouts (Jul 6), Pole Beans (Jul 6), Basil (Jul 11), Cosmos (Jul 11), Cucumber (Jul 11), +11 more. |
| August | Last sowing dates: Cabbage (Aug 5), Carrots (Aug 5), Beets (Aug 6), Dill (Aug 6), Swiss Chard (Aug 6), Calendula (Aug 11), +8 more. |
| September | Last sowing dates: Arugula (Sep 4), Spinach (Sep 4), Radish (Sep 5). |
| October | Direct sow from: Garlic (Oct 7). First frost around October 7. Last sowing dates: Garlic (Oct 28). |
| 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 Connellsville, PA (ZIP 15425)?
The median last spring frost date for Connellsville, PA (ZIP code 15425) is around May 10. 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 27; one in ten it runs past May 26.
What is the first fall frost date in Connellsville, PA?
The median first fall frost date for Connellsville, PA is around October 7. 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 22 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Connellsville, PA?
The frost-free growing season in Connellsville is about 150 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 Connellsville (150 frost-free days, a moderate season), 34 of 56 planner crops fit outright, 21 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Connellsville, PA?
Connellsville, PA 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 Connellsville, PA?
Start tomatoes indoors Apr 5 and plant out May 24 in Connellsville. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Connellsville?
Two: plant Apr 12 and again by Aug 16; both mature before Oct 14.
When do I plant garlic in Connellsville?
Oct 7 to Oct 28; it overwinters and is ready the following summer.
Which nearby ZIP has a longer season?
Uniontown (ZIP 15401) has 171 frost-free days, 21 more than Connellsville (ZIP 15425). See Uniontown ZIP 15401 frost dates
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