Frost Dates for Glens Falls, NY 12801
Last spring frost May 8 · First fall frost September 29 · 144 frost-free days · USDA Zone 5a
ZIP 12801 has about 14,600 people.
Moderate season: 144 frost-free days. Spring frost risk spans April 26–May 22 (26 days). Fall frost risk spans September 16–October 12 (26 days).
Frost probability for 12801
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 22 | May 8 | April 26 |
| Fall (first frost) | September 16 | September 29 | October 12 |
Dates come from NOAA 1971–2000 freeze probabilities at GLENS FALLS AP (4.2 km away); the 50% date is the median year.
Which crops fit a 144-day season in Glens Falls
In Glens Falls (144 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 3 | May 22–May 29 | 102 | fits: 80 days to maturity, 102 available after May 22. | May 30 |
| Pepper | Mar 27 | May 22–May 29 | 102 | fits: 75 days to maturity, 102 available after May 22. | Jun 4 |
| Lettuce | Mar 13 | Apr 10–Apr 17 | 179 | two-plantings: Plant Apr 10 and again by Aug 8; both mature before Oct 6. | Aug 8 |
| Carrots | — | Apr 17–Apr 24 | 186 | fits: 70 days to maturity, 186 available after Apr 17. | Jul 28 |
| Cucumber | Apr 17 | May 22–May 29 | 116 | fits: 60 days to maturity, 116 available after May 22. | Jul 3 |
| Beans | — | May 15–May 29 | 130 | fits: 60 days to maturity, 130 available after May 15. | Jul 10 |
| Peas | — | Mar 13–May 22 | 207 | fits: 65 days to maturity, 207 available after Mar 13. | Jul 19 |
| Zucchini | Apr 24 | May 22–May 29 | 116 | fits: 55 days to maturity, 116 available after May 22. | Jul 8 |
| Onion | Feb 13 | Apr 10–Apr 24 | 179 | fits: 100 days to maturity, 179 available after Apr 10. | — |
| Spinach | — | Mar 13–May 1 | 221 | two-plantings: Plant Mar 13 and again by Aug 27; both mature before Oct 20. | Aug 27 |
| Kale | Feb 27 | Apr 10–Apr 24 | 193 | two-plantings: Plant Apr 10 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Broccoli | Mar 13 | Apr 10–Apr 24 | 179 | fits: 80 days to maturity, 179 available after Apr 10. | Jul 4 |
| Cabbage | Mar 13 | Apr 10–Apr 24 | 193 | fits: 70 days to maturity, 193 available after Apr 10. | Jul 28 |
| Radish | — | Mar 13–Jun 5 | 207 | two-plantings: Plant Mar 13 and again by Aug 28; both mature before Oct 6. | Aug 28 |
| Beets | — | Mar 13–Jun 5 | 207 | two-plantings: Plant Mar 13 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Potatoes | — | Apr 24–May 1 | 165 | fits: 90 days to maturity, 165 available after Apr 24. | — |
| Garlic | — | Sep 29 | 249 | overwinter: Plant Sep 29 to Oct 20; harvest the following summer. | Oct 20 |
| Strawberry | — | Apr 3–May 29 | 200 | perennial: A perennial: plant Apr 3; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 10 | May 15–May 22 | 116 | fits: 75 days to maturity, 116 available after May 15. | Jun 11 |
| Pumpkin | Apr 24 | May 22–May 22 | 109 | fits: 100 days to maturity, 109 available after May 22. | — |
| Cauliflower | Mar 27 | May 1–May 15 | 158 | fits: 75 days to maturity, 158 available after May 1. | Jul 9 |
| Swiss Chard | Mar 13 | Apr 24–Apr 24 | 165 | two-plantings: Plant Apr 24 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Arugula | — | Mar 13–Jun 5 | 221 | two-plantings: Plant Mar 13 and again by Aug 27; both mature before Oct 20. | Aug 27 |
| Brussel Sprouts | Mar 13 | Apr 10–Apr 24 | 193 | fits: 100 days to maturity, 193 available after Apr 10. | Jun 28 |
| Butternut Squash | Apr 24 | May 22–May 29 | 109 | fits: 100 days to maturity, 109 available after May 22. | — |
| Eggplant | Mar 20 | May 22–May 29 | 102 | fits: 70 days to maturity, 102 available after May 22. | Jun 9 |
| Okra | Apr 10 | May 15–May 22 | 123 | fits: 55 days to maturity, 123 available after May 15. | Jul 8 |
| Basil | Apr 3 | May 29–May 29 | 109 | fits: 60 days to maturity, 109 available after May 29. | Jul 3 |
| Cilantro | — | Apr 10–May 1 | 179 | two-plantings: Plant Apr 10 and again by Aug 3; both mature before Oct 6. | Aug 3 |
| Parsley | Feb 27 | May 15–May 22 | 144 | fits: 70 days to maturity, 144 available after May 15. | Jul 14 |
| Celery | Feb 27 | May 15–May 29 | 144 | fits: 120 days to maturity, 144 available after May 15. | May 25 |
| Scallions | Feb 27 | Apr 10–Apr 24 | 193 | two-plantings: Plant Apr 10 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Turnip | — | Apr 10–Apr 24 | 193 | two-plantings: Plant Apr 10 and again by Aug 17; both mature before Oct 20. | Aug 17 |
| Kohlrabi | — | Mar 27–Apr 10 | 207 | two-plantings: Plant Mar 27 and again by Aug 12; both mature before Oct 20. | Aug 12 |
| Bok Choy | Apr 10 | May 1–May 8 | 158 | two-plantings: Plant May 1 and again by Aug 8; both mature before Oct 6. | Aug 8 |
| Collards | Feb 27 | Apr 10–Apr 24 | 193 | two-plantings: Plant Apr 10 and again by Aug 7; both mature before Oct 20. | Aug 7 |
| Cantaloupe | Apr 24 | May 22–May 29 | 102 | fits: 85 days to maturity, 102 available after May 22. | May 25 |
| Chives | Feb 13 | May 15–May 22 | 158 | fits: 90 days to maturity, 158 available after May 15. | — |
| Dill | — | Mar 13–Jun 5 | 207 | two-plantings: Plant Mar 13 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Oregano | Feb 27 | May 15–May 22 | 158 | fits: 80 days to maturity, 158 available after May 15. | — |
| Rosemary | Feb 13 | May 15–May 22 | 144 | fits: 80 days to maturity, 144 available after May 15. | — |
| Sage | Mar 13 | May 15–May 22 | 158 | fits: 75 days to maturity, 158 available after May 15. | — |
| Thyme | Feb 27 | May 15–May 22 | 158 | fits: 90 days to maturity, 158 available after May 15. | — |
| Calendula | Mar 27 | Apr 24–May 8 | 165 | two-plantings: Plant Apr 24 and again by Aug 3; both mature before Oct 6. | Aug 3 |
| Cosmos | Apr 10 | May 8–May 22 | 130 | fits: 60 days to maturity, 130 available after May 8. | Jul 3 |
| Lavender | Feb 13 | May 8–May 22 | 165 | fits: 90 days to maturity, 165 available after May 8. | — |
| Marigolds | Mar 27 | May 8–May 15 | 130 | two-plantings: Plant May 8 and again by Jul 13; both mature before Sep 15. | Jul 13 |
| Melons | Apr 24 | May 22–May 29 | 102 | fits: 85 days to maturity, 102 available after May 22. | May 25 |
| Mint | — | May 8–May 22 | 165 | fits: 90 days to maturity, 165 available after May 8. | — |
| Nasturtiums | Apr 10 | May 8–May 15 | 130 | two-plantings: Plant May 8 and again by Jul 8; both mature before Sep 15. | Jul 8 |
| Pole Beans | — | May 15–May 29 | 123 | fits: 65 days to maturity, 123 available after May 15. | Jun 28 |
| Spaghetti Squash | Apr 24 | May 22–May 29 | 109 | fits: 90 days to maturity, 109 available after May 22. | May 27 |
| Sunflowers | — | May 8–May 22 | 130 | fits: 70 days to maturity, 130 available after May 8. | Jun 23 |
| Tomatillos | Mar 13 | May 15–May 22 | 109 | fits: 75 days to maturity, 109 available after May 15. | Jun 4 |
| Watermelon | Apr 24 | May 15–May 22 | 109 | fits: 80 days to maturity, 109 available after May 15. | May 30 |
| Yellow Squash | Apr 24 | May 22–May 29 | 116 | fits: 55 days to maturity, 116 available after May 22. | Jul 8 |
| Zinnias | Apr 10 | May 8–May 22 | 130 | fits: 60 days to maturity, 130 available after May 8. | Jul 3 |
Month by month in Glens Falls
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 13), Lavender (Feb 13), Onion (Feb 13), Rosemary (Feb 13), Celery (Feb 27), Collards (Feb 27), +5 more. |
| March | Start indoors: Broccoli (Mar 13), Brussel Sprouts (Mar 13), Cabbage (Mar 13), Lettuce (Mar 13), Sage (Mar 13), Swiss Chard (Mar 13), +6 more. Direct sow from: Arugula (Mar 13), Beets (Mar 13), Dill (Mar 13), Peas (Mar 13), Radish (Mar 13), Spinach (Mar 13), +1 more. |
| April | Start indoors: Basil (Apr 3), Tomato (Apr 3), Bok Choy (Apr 10), Corn (Apr 10), Cosmos (Apr 10), Nasturtiums (Apr 10), +11 more. Direct sow from: Cilantro (Apr 10), Turnip (Apr 10), Carrots (Apr 17), Potatoes (Apr 24). Transplant from: Broccoli (Apr 10), Brussel Sprouts (Apr 10), Cabbage (Apr 10), Collards (Apr 10), Kale (Apr 10), Lettuce (Apr 10), +4 more. Plant: Strawberry (Apr 3). |
| May | Direct sow from: Sunflowers (May 8), Beans (May 15), Pole Beans (May 15). Transplant from: Bok Choy (May 1), Cauliflower (May 1), Cosmos (May 8), Lavender (May 8), Marigolds (May 8), Mint (May 8), +25 more. Last frost around May 8. Last sowing dates: Cantaloupe (May 25), Celery (May 25), Melons (May 25), Spaghetti Squash (May 27), Tomato (May 30), Watermelon (May 30). |
| June | Last sowing dates: Pepper (Jun 4), Tomatillos (Jun 4), Eggplant (Jun 9), Corn (Jun 11), Sunflowers (Jun 23), Brussel Sprouts (Jun 28), +1 more. |
| July | Last sowing dates: Basil (Jul 3), Cosmos (Jul 3), Cucumber (Jul 3), Zinnias (Jul 3), Broccoli (Jul 4), Nasturtiums (Jul 8), +13 more. |
| August | Last sowing dates: Calendula (Aug 3), Cilantro (Aug 3), Collards (Aug 7), Scallions (Aug 7), Bok Choy (Aug 8), Lettuce (Aug 8), +6 more. |
| September | Direct sow from: Garlic (Sep 29). First frost around September 29. |
| October | Last sowing dates: Garlic (Oct 20). |
| November | Clean up spent plants. Add compost to beds. Rest, review, and plan next year's garden. |
| 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 Glens Falls, NY (ZIP 12801)?
The median last spring frost date for Glens Falls, NY (ZIP code 12801) is around May 8. 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 22.
What is the first fall frost date in Glens Falls, NY?
The median first fall frost date for Glens Falls, NY is around September 29. 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 16 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Glens Falls, NY?
The frost-free growing season in Glens Falls is about 144 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 Glens Falls (144 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Glens Falls, NY?
Glens Falls, NY is in USDA hardiness zone 5a (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 Glens Falls, NY?
Start tomatoes indoors Apr 3 and plant out May 22 in Glens Falls. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Glens Falls?
Two: plant Apr 10 and again by Aug 8; both mature before Oct 6.
When do I plant garlic in Glens Falls?
Sep 29 to Oct 20; it overwinters and is ready the following summer.
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