Frost Dates for Bordentown, NJ 08505
Last spring frost April 23 · First fall frost October 18 · 178 frost-free days · USDA Zone 7a
ZIP 08505 has about 19,100 people.
Moderate season: 178 frost-free days. Spring frost risk spans April 10–May 8 (28 days). Fall frost risk spans September 30–November 3 (34 days).
Frost probability for 08505
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 8 | April 23 | April 10 |
| Fall (first frost) | September 30 | October 18 | November 3 |
Dates come from NOAA 1971–2000 freeze probabilities at MOORESTOWN 4 E (18.5 km away); the 50% date is the median year.
Which crops fit a 178-day season in Bordentown
In Bordentown (178 frost-free days, a moderate 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 19 | May 7–May 14 | 136 | fits: 80 days to maturity, 136 available after May 7. | Jun 18 |
| Pepper | Mar 12 | May 7–May 14 | 136 | fits: 75 days to maturity, 136 available after May 7. | Jun 23 |
| Lettuce | Feb 26 | Mar 26–Apr 2 | 213 | two-plantings: Plant Mar 26 and again by Aug 27; both mature before Oct 25. | Aug 27 |
| Carrots | — | Apr 2–Apr 9 | 220 | fits: 70 days to maturity, 220 available after Apr 2. | Aug 16 |
| Cucumber | Apr 2 | May 7–May 14 | 150 | two-plantings: Plant May 7 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Beans | — | Apr 30–May 14 | 164 | two-plantings: Plant Apr 30 and again by Jul 29; both mature before Oct 11. | Jul 29 |
| Peas | — | Feb 26–May 7 | 241 | fits: 65 days to maturity, 241 available after Feb 26. | Aug 7 |
| Zucchini | Apr 9 | May 7–May 14 | 150 | two-plantings: Plant May 7 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Onion | Jan 29 | Mar 26–Apr 9 | 213 | fits: 100 days to maturity, 213 available after Mar 26. | — |
| Spinach | — | Feb 26–Apr 16 | 255 | two-plantings: Plant Feb 26 and again by Sep 15; both mature before Nov 8. | Sep 15 |
| Kale | Feb 12 | Mar 26–Apr 9 | 227 | two-plantings: Plant Mar 26 and again by Aug 31; both mature before Nov 8. | Aug 31 |
| Broccoli | Feb 26 | Mar 26–Apr 9 | 213 | fits: 80 days to maturity, 213 available after Mar 26. | Jul 23 |
| Cabbage | Feb 26 | Mar 26–Apr 9 | 227 | fits: 70 days to maturity, 227 available after Mar 26. | Aug 16 |
| Radish | — | Feb 26–May 21 | 241 | two-plantings: Plant Feb 26 and again by Sep 16; both mature before Oct 25. | Sep 16 |
| Beets | — | Feb 26–May 21 | 241 | two-plantings: Plant Feb 26 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Potatoes | — | Apr 9–Apr 16 | 199 | fits: 90 days to maturity, 199 available after Apr 9. | — |
| Garlic | — | Oct 18 | 283 | overwinter: Plant Oct 18 to Nov 8; harvest the following summer. | Nov 8 |
| Strawberry | — | Mar 19–May 14 | 234 | perennial: A perennial: plant Mar 19; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 26 | Apr 30–May 7 | 150 | fits: 75 days to maturity, 150 available after Apr 30. | Jun 30 |
| Pumpkin | Apr 9 | May 7–May 7 | 143 | fits: 100 days to maturity, 143 available after May 7. | Jun 5 |
| Cauliflower | Mar 12 | Apr 16–Apr 30 | 192 | fits: 75 days to maturity, 192 available after Apr 16. | Jul 28 |
| Swiss Chard | Feb 26 | Apr 9–Apr 9 | 199 | two-plantings: Plant Apr 9 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Arugula | — | Feb 26–May 21 | 255 | two-plantings: Plant Feb 26 and again by Sep 15; both mature before Nov 8. | Sep 15 |
| Brussel Sprouts | Feb 26 | Mar 26–Apr 9 | 227 | fits: 100 days to maturity, 227 available after Mar 26. | Jul 17 |
| Butternut Squash | Apr 9 | May 7–May 14 | 143 | fits: 100 days to maturity, 143 available after May 7. | Jun 5 |
| Eggplant | Mar 5 | May 7–May 14 | 136 | fits: 70 days to maturity, 136 available after May 7. | Jun 28 |
| Okra | Mar 26 | Apr 30–May 7 | 157 | two-plantings: Plant Apr 30 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Basil | Mar 19 | May 14–May 14 | 143 | two-plantings: Plant May 14 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Cilantro | — | Mar 26–Apr 16 | 213 | two-plantings: Plant Mar 26 and again by Aug 22; both mature before Oct 25. | Aug 22 |
| Parsley | Feb 12 | Apr 30–May 7 | 178 | fits: 70 days to maturity, 178 available after Apr 30. | Aug 2 |
| Celery | Feb 12 | Apr 30–May 14 | 178 | fits: 120 days to maturity, 178 available after Apr 30. | Jun 13 |
| Scallions | Feb 12 | Mar 26–Apr 9 | 227 | two-plantings: Plant Mar 26 and again by Aug 26; both mature before Nov 8. | Aug 26 |
| Turnip | — | Mar 26–Apr 9 | 227 | two-plantings: Plant Mar 26 and again by Sep 5; both mature before Nov 8. | Sep 5 |
| Kohlrabi | — | Mar 12–Mar 26 | 241 | two-plantings: Plant Mar 12 and again by Aug 31; both mature before Nov 8. | Aug 31 |
| Bok Choy | Mar 26 | Apr 16–Apr 23 | 192 | two-plantings: Plant Apr 16 and again by Aug 27; both mature before Oct 25. | Aug 27 |
| Collards | Feb 12 | Mar 26–Apr 9 | 227 | two-plantings: Plant Mar 26 and again by Aug 26; both mature before Nov 8. | Aug 26 |
| Cantaloupe | Apr 9 | May 7–May 14 | 136 | fits: 85 days to maturity, 136 available after May 7. | Jun 13 |
| Chives | Jan 29 | Apr 30–May 7 | 192 | fits: 90 days to maturity, 192 available after Apr 30. | — |
| Dill | — | Feb 26–May 21 | 241 | two-plantings: Plant Feb 26 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Oregano | Feb 12 | Apr 30–May 7 | 192 | fits: 80 days to maturity, 192 available after Apr 30. | — |
| Rosemary | Jan 29 | Apr 30–May 7 | 178 | fits: 80 days to maturity, 178 available after Apr 30. | — |
| Sage | Feb 26 | Apr 30–May 7 | 192 | fits: 75 days to maturity, 192 available after Apr 30. | — |
| Thyme | Feb 12 | Apr 30–May 7 | 192 | fits: 90 days to maturity, 192 available after Apr 30. | — |
| Calendula | Mar 12 | Apr 9–Apr 23 | 199 | two-plantings: Plant Apr 9 and again by Aug 22; both mature before Oct 25. | Aug 22 |
| Cosmos | Mar 26 | Apr 23–May 7 | 164 | two-plantings: Plant Apr 23 and again by Jul 22; both mature before Oct 4. | Jul 22 |
| Lavender | Jan 29 | Apr 23–May 7 | 199 | fits: 90 days to maturity, 199 available after Apr 23. | — |
| Marigolds | Mar 12 | Apr 23–Apr 30 | 164 | two-plantings: Plant Apr 23 and again by Aug 1; both mature before Oct 4. | Aug 1 |
| Melons | Apr 9 | May 7–May 14 | 136 | fits: 85 days to maturity, 136 available after May 7. | Jun 13 |
| Mint | — | Apr 23–May 7 | 199 | fits: 90 days to maturity, 199 available after Apr 23. | — |
| Nasturtiums | Mar 26 | Apr 23–Apr 30 | 164 | two-plantings: Plant Apr 23 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Pole Beans | — | Apr 30–May 14 | 157 | fits: 65 days to maturity, 157 available after Apr 30. | Jul 17 |
| Spaghetti Squash | Apr 9 | May 7–May 14 | 143 | fits: 90 days to maturity, 143 available after May 7. | Jun 15 |
| Sunflowers | — | Apr 23–May 7 | 164 | fits: 70 days to maturity, 164 available after Apr 23. | Jul 12 |
| Tomatillos | Feb 26 | Apr 30–May 7 | 143 | fits: 75 days to maturity, 143 available after Apr 30. | Jun 23 |
| Watermelon | Apr 9 | Apr 30–May 7 | 143 | fits: 80 days to maturity, 143 available after Apr 30. | Jun 18 |
| Yellow Squash | Apr 9 | May 7–May 14 | 150 | two-plantings: Plant May 7 and again by Jul 27; both mature before Oct 4. | Jul 27 |
| Zinnias | Mar 26 | Apr 23–May 7 | 164 | two-plantings: Plant Apr 23 and again by Jul 22; both mature before Oct 4. | Jul 22 |
Month by month in Bordentown
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 29), Lavender (Jan 29), Onion (Jan 29), Rosemary (Jan 29). |
| February | Start indoors: Celery (Feb 12), Collards (Feb 12), Kale (Feb 12), Oregano (Feb 12), Parsley (Feb 12), Scallions (Feb 12), +8 more. Direct sow from: Arugula (Feb 26), Beets (Feb 26), Dill (Feb 26), Peas (Feb 26), Radish (Feb 26), Spinach (Feb 26). |
| March | Start indoors: Eggplant (Mar 5), Calendula (Mar 12), Cauliflower (Mar 12), Marigolds (Mar 12), Pepper (Mar 12), Basil (Mar 19), +7 more. Direct sow from: Kohlrabi (Mar 12), Cilantro (Mar 26), Turnip (Mar 26). Transplant from: Broccoli (Mar 26), Brussel Sprouts (Mar 26), Cabbage (Mar 26), Collards (Mar 26), Kale (Mar 26), Lettuce (Mar 26), +2 more. Plant: Strawberry (Mar 19). |
| April | Start indoors: Cucumber (Apr 2), Butternut Squash (Apr 9), Cantaloupe (Apr 9), Melons (Apr 9), Pumpkin (Apr 9), Spaghetti Squash (Apr 9), +3 more. Direct sow from: Carrots (Apr 2), Potatoes (Apr 9), Sunflowers (Apr 23), Beans (Apr 30), Pole Beans (Apr 30). Transplant from: Calendula (Apr 9), Swiss Chard (Apr 9), Bok Choy (Apr 16), Cauliflower (Apr 16), Cosmos (Apr 23), Lavender (Apr 23), +15 more. Last frost around April 23. |
| May | Transplant from: Butternut Squash (May 7), Cantaloupe (May 7), Cucumber (May 7), Eggplant (May 7), Melons (May 7), Pepper (May 7), +6 more. |
| June | Last sowing dates: Butternut Squash (Jun 5), Pumpkin (Jun 5), Cantaloupe (Jun 13), Celery (Jun 13), Melons (Jun 13), Spaghetti Squash (Jun 15), +6 more. |
| July | Last sowing dates: Sunflowers (Jul 12), Brussel Sprouts (Jul 17), Pole Beans (Jul 17), Basil (Jul 22), Cosmos (Jul 22), Cucumber (Jul 22), +8 more. |
| August | Last sowing dates: Marigolds (Aug 1), Parsley (Aug 2), Peas (Aug 7), Cabbage (Aug 16), Carrots (Aug 16), Beets (Aug 17), +10 more. |
| September | Last sowing dates: Turnip (Sep 5), Arugula (Sep 15), Spinach (Sep 15), Radish (Sep 16). |
| October | Direct sow from: Garlic (Oct 18). First frost around October 18. |
| November | Last sowing dates: Garlic (Nov 8). |
| 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 Bordentown, NJ (ZIP 08505)?
The median last spring frost date for Bordentown, NJ (ZIP code 08505) is around April 23. 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 10; one in ten it runs past May 8.
What is the first fall frost date in Bordentown, NJ?
The median first fall frost date for Bordentown, NJ is around October 18. 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 30 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Bordentown, NJ?
The frost-free growing season in Bordentown is about 178 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 Bordentown (178 frost-free days, a moderate season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Bordentown, NJ?
Bordentown, NJ is in USDA hardiness zone 7a (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 Bordentown, NJ?
Start tomatoes indoors Mar 19 and plant out May 7 in Bordentown. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Bordentown?
Two: plant Mar 26 and again by Aug 27; both mature before Oct 25.
When do I plant garlic in Bordentown?
Oct 18 to Nov 8; it overwinters and is ready the following summer.
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