Frost Dates for Indiana, PA 15701
Last spring frost May 11 · First fall frost October 11 · 153 frost-free days · USDA Zone 6b
ZIP 15701 has about 31,300 people, the largest of 2 ZIP codes in Indiana.
Moderate season: 153 frost-free days. Spring frost risk spans April 26–May 26 (30 days). Fall frost risk spans September 27–October 25 (28 days).
Frost probability for 15701
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 26 | May 11 | April 26 |
| Fall (first frost) | September 27 | October 11 | October 25 |
Dates come from NOAA 1971–2000 freeze probabilities at INDIANA 3 SE (4.5 km away); the 50% date is the median year.
Frost dates by ZIP code in Indiana, PA
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 15701 | May 11 | October 11 | 6b |
| 15705 | May 11 | October 8 | 6b |
Which crops fit a 153-day season in Indiana
In Indiana (153 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 | Apr 6 | May 25–Jun 1 | 111 | fits: 80 days to maturity, 111 available after May 25. | Jun 11 |
| Pepper | Mar 30 | May 25–Jun 1 | 111 | fits: 75 days to maturity, 111 available after May 25. | Jun 16 |
| Lettuce | Mar 16 | Apr 13–Apr 20 | 188 | two-plantings: Plant Apr 13 and again by Aug 20; both mature before Oct 18. | Aug 20 |
| Carrots | — | Apr 20–Apr 27 | 195 | fits: 70 days to maturity, 195 available after Apr 20. | Aug 9 |
| Cucumber | Apr 20 | May 25–Jun 1 | 125 | fits: 60 days to maturity, 125 available after May 25. | Jul 15 |
| Beans | — | May 18–Jun 1 | 139 | two-plantings: Plant May 18 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Peas | — | Mar 16–May 25 | 216 | fits: 65 days to maturity, 216 available after Mar 16. | Jul 31 |
| Zucchini | Apr 27 | May 25–Jun 1 | 125 | two-plantings: Plant May 25 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Onion | Feb 16 | Apr 13–Apr 27 | 188 | fits: 100 days to maturity, 188 available after Apr 13. | — |
| Spinach | — | Mar 16–May 4 | 230 | two-plantings: Plant Mar 16 and again by Sep 8; both mature before Nov 1. | Sep 8 |
| Kale | Mar 2 | Apr 13–Apr 27 | 202 | two-plantings: Plant Apr 13 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Broccoli | Mar 16 | Apr 13–Apr 27 | 188 | fits: 80 days to maturity, 188 available after Apr 13. | Jul 16 |
| Cabbage | Mar 16 | Apr 13–Apr 27 | 202 | fits: 70 days to maturity, 202 available after Apr 13. | Aug 9 |
| Radish | — | Mar 16–Jun 8 | 216 | two-plantings: Plant Mar 16 and again by Sep 9; both mature before Oct 18. | Sep 9 |
| Beets | — | Mar 16–Jun 8 | 216 | two-plantings: Plant Mar 16 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Potatoes | — | Apr 27–May 4 | 174 | fits: 90 days to maturity, 174 available after Apr 27. | — |
| Garlic | — | Oct 11 | 258 | overwinter: Plant Oct 11 to Nov 1; harvest the following summer. | Nov 1 |
| Strawberry | — | Apr 6–Jun 1 | 209 | perennial: A perennial: plant Apr 6; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 13 | May 18–May 25 | 125 | fits: 75 days to maturity, 125 available after May 18. | Jun 23 |
| Pumpkin | Apr 27 | May 25–May 25 | 118 | fits: 100 days to maturity, 118 available after May 25. | May 29 |
| Cauliflower | Mar 30 | May 4–May 18 | 167 | fits: 75 days to maturity, 167 available after May 4. | Jul 21 |
| Swiss Chard | Mar 16 | Apr 27–Apr 27 | 174 | two-plantings: Plant Apr 27 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Arugula | — | Mar 16–Jun 8 | 230 | two-plantings: Plant Mar 16 and again by Sep 8; both mature before Nov 1. | Sep 8 |
| Brussel Sprouts | Mar 16 | Apr 13–Apr 27 | 202 | fits: 100 days to maturity, 202 available after Apr 13. | Jul 10 |
| Butternut Squash | Apr 27 | May 25–Jun 1 | 118 | fits: 100 days to maturity, 118 available after May 25. | May 29 |
| Eggplant | Mar 23 | May 25–Jun 1 | 111 | fits: 70 days to maturity, 111 available after May 25. | Jun 21 |
| Okra | Apr 13 | May 18–May 25 | 132 | two-plantings: Plant May 18 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Basil | Apr 6 | Jun 1–Jun 1 | 118 | fits: 60 days to maturity, 118 available after Jun 1. | Jul 15 |
| Cilantro | — | Apr 13–May 4 | 188 | two-plantings: Plant Apr 13 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Parsley | Mar 2 | May 18–May 25 | 153 | fits: 70 days to maturity, 153 available after May 18. | Jul 26 |
| Celery | Mar 2 | May 18–Jun 1 | 153 | fits: 120 days to maturity, 153 available after May 18. | Jun 6 |
| Scallions | Mar 2 | Apr 13–Apr 27 | 202 | two-plantings: Plant Apr 13 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Turnip | — | Apr 13–Apr 27 | 202 | two-plantings: Plant Apr 13 and again by Aug 29; both mature before Nov 1. | Aug 29 |
| Kohlrabi | — | Mar 30–Apr 13 | 216 | two-plantings: Plant Mar 30 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Bok Choy | Apr 13 | May 4–May 11 | 167 | two-plantings: Plant May 4 and again by Aug 20; both mature before Oct 18. | Aug 20 |
| Collards | Mar 2 | Apr 13–Apr 27 | 202 | two-plantings: Plant Apr 13 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Cantaloupe | Apr 27 | May 25–Jun 1 | 111 | fits: 85 days to maturity, 111 available after May 25. | Jun 6 |
| Chives | Feb 16 | May 18–May 25 | 167 | fits: 90 days to maturity, 167 available after May 18. | — |
| Dill | — | Mar 16–Jun 8 | 216 | two-plantings: Plant Mar 16 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Oregano | Mar 2 | May 18–May 25 | 167 | fits: 80 days to maturity, 167 available after May 18. | — |
| Rosemary | Feb 16 | May 18–May 25 | 153 | fits: 80 days to maturity, 153 available after May 18. | — |
| Sage | Mar 16 | May 18–May 25 | 167 | fits: 75 days to maturity, 167 available after May 18. | — |
| Thyme | Mar 2 | May 18–May 25 | 167 | fits: 90 days to maturity, 167 available after May 18. | — |
| Calendula | Mar 30 | Apr 27–May 11 | 174 | two-plantings: Plant Apr 27 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Cosmos | Apr 13 | May 11–May 25 | 139 | two-plantings: Plant May 11 and again by Jul 15; both mature before Sep 27. | Jul 15 |
| Lavender | Feb 16 | May 11–May 25 | 174 | fits: 90 days to maturity, 174 available after May 11. | — |
| Marigolds | Mar 30 | May 11–May 18 | 139 | two-plantings: Plant May 11 and again by Jul 25; both mature before Sep 27. | Jul 25 |
| Melons | Apr 27 | May 25–Jun 1 | 111 | fits: 85 days to maturity, 111 available after May 25. | Jun 6 |
| Mint | — | May 11–May 25 | 174 | fits: 90 days to maturity, 174 available after May 11. | — |
| Nasturtiums | Apr 13 | May 11–May 18 | 139 | two-plantings: Plant May 11 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Pole Beans | — | May 18–Jun 1 | 132 | fits: 65 days to maturity, 132 available after May 18. | Jul 10 |
| Spaghetti Squash | Apr 27 | May 25–Jun 1 | 118 | fits: 90 days to maturity, 118 available after May 25. | Jun 8 |
| Sunflowers | — | May 11–May 25 | 139 | fits: 70 days to maturity, 139 available after May 11. | Jul 5 |
| Tomatillos | Mar 16 | May 18–May 25 | 118 | fits: 75 days to maturity, 118 available after May 18. | Jun 16 |
| Watermelon | Apr 27 | May 18–May 25 | 118 | fits: 80 days to maturity, 118 available after May 18. | Jun 11 |
| Yellow Squash | Apr 27 | May 25–Jun 1 | 125 | two-plantings: Plant May 25 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Zinnias | Apr 13 | May 11–May 25 | 139 | two-plantings: Plant May 11 and again by Jul 15; both mature before Sep 27. | Jul 15 |
Month by month in Indiana
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 16), Lavender (Feb 16), Onion (Feb 16), Rosemary (Feb 16). |
| March | Start indoors: Celery (Mar 2), Collards (Mar 2), Kale (Mar 2), Oregano (Mar 2), Parsley (Mar 2), Scallions (Mar 2), +13 more. Direct sow from: Arugula (Mar 16), Beets (Mar 16), Dill (Mar 16), Peas (Mar 16), Radish (Mar 16), Spinach (Mar 16), +1 more. |
| April | Start indoors: Basil (Apr 6), Tomato (Apr 6), Bok Choy (Apr 13), Corn (Apr 13), Cosmos (Apr 13), Nasturtiums (Apr 13), +11 more. Direct sow from: Cilantro (Apr 13), Turnip (Apr 13), Carrots (Apr 20), Potatoes (Apr 27). Transplant from: Broccoli (Apr 13), Brussel Sprouts (Apr 13), Cabbage (Apr 13), Collards (Apr 13), Kale (Apr 13), Lettuce (Apr 13), +4 more. Plant: Strawberry (Apr 6). |
| May | Direct sow from: Sunflowers (May 11), Beans (May 18), Pole Beans (May 18). Transplant from: Bok Choy (May 4), Cauliflower (May 4), Cosmos (May 11), Lavender (May 11), Marigolds (May 11), Mint (May 11), +24 more. Last frost around May 11. Last sowing dates: Butternut Squash (May 29), Pumpkin (May 29). |
| June | Transplant from: Basil (Jun 1). Last sowing dates: Cantaloupe (Jun 6), Celery (Jun 6), Melons (Jun 6), Spaghetti Squash (Jun 8), Tomato (Jun 11), Watermelon (Jun 11), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 5), Brussel Sprouts (Jul 10), Pole Beans (Jul 10), Basil (Jul 15), Cosmos (Jul 15), Cucumber (Jul 15), +11 more. |
| August | Last sowing dates: Cabbage (Aug 9), Carrots (Aug 9), Beets (Aug 10), Dill (Aug 10), Swiss Chard (Aug 10), Calendula (Aug 15), +8 more. |
| September | Last sowing dates: Arugula (Sep 8), Spinach (Sep 8), Radish (Sep 9). |
| October | Direct sow from: Garlic (Oct 11). First frost around October 11. |
| November | Last sowing dates: Garlic (Nov 1). |
| 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 Indiana, PA (ZIP 15701)?
The median last spring frost date for Indiana, PA (ZIP code 15701) is around May 11. 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 26; one in ten it runs past May 26.
What is the first fall frost date in Indiana, PA?
The median first fall frost date for Indiana, PA is around October 11. 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 27 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Indiana, PA?
The frost-free growing season in Indiana is about 153 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 Indiana (153 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 Indiana, PA?
Indiana, 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 Indiana, PA?
Start tomatoes indoors Apr 6 and plant out May 25 in Indiana. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Indiana?
Two: plant Apr 13 and again by Aug 20; both mature before Oct 18.
When do I plant garlic in Indiana?
Oct 11 to Nov 1; it overwinters and is ready the following summer.
Nearby and related
- Frost dates for Kittanning, PA 16201 (20.9 mi)
- Frost dates for Apollo, PA 15613 (22.4 mi)
- Frost dates for Punxsutawney, PA 15767 (24.6 mi)
- Frost dates for Johnstown, PA 15905 (24.8 mi)
- Frost dates for Latrobe, PA 15650 (27.5 mi)
- When to plant in PA
- When to plant Peppers in PA
- When to plant Cucumbers in PA
- When to plant Zucchini in PA
- When to plant Butternut Squash in PA
- When to plant Basil in PA
- When to plant Sweet Corn in PA
- Look up another ZIP