Frost Dates for Hyannis, MA 02601
Last spring frost April 25 · First fall frost October 23 · 181 frost-free days · USDA Zone 7a
ZIP 02601 has about 16,100 people.
Long season: 181 frost-free days. Spring frost risk spans April 12–May 7 (25 days). Fall frost risk spans October 9–November 6 (28 days).
Frost probability for 02601
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 7 | April 25 | April 12 |
| Fall (first frost) | October 9 | October 23 | November 6 |
Dates come from NOAA 1971–2000 freeze probabilities at E WAREHAM (33.4 km away); the 50% date is the median year.
Which crops fit a 181-day season in Hyannis
In Hyannis (181 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 21 | May 9–May 16 | 139 | fits: 80 days to maturity, 139 available after May 9. | Jun 23 |
| Pepper | Mar 14 | May 9–May 16 | 139 | fits: 75 days to maturity, 139 available after May 9. | Jun 28 |
| Lettuce | Feb 28 | Mar 28–Apr 4 | 216 | two-plantings: Plant Mar 28 and again by Sep 1; both mature before Oct 30. | Sep 1 |
| Carrots | — | Apr 4–Apr 11 | 223 | fits: 70 days to maturity, 223 available after Apr 4. | Aug 21 |
| Cucumber | Apr 4 | May 9–May 16 | 153 | two-plantings: Plant May 9 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Beans | — | May 2–May 16 | 167 | two-plantings: Plant May 2 and again by Aug 3; both mature before Oct 16. | Aug 3 |
| Peas | — | Feb 28–May 9 | 244 | fits: 65 days to maturity, 244 available after Feb 28. | Aug 12 |
| Zucchini | Apr 11 | May 9–May 16 | 153 | two-plantings: Plant May 9 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Onion | Jan 31 | Mar 28–Apr 11 | 216 | fits: 100 days to maturity, 216 available after Mar 28. | — |
| Spinach | — | Feb 28–Apr 18 | 258 | two-plantings: Plant Feb 28 and again by Sep 20; both mature before Nov 13. | Sep 20 |
| Kale | Feb 14 | Mar 28–Apr 11 | 230 | two-plantings: Plant Mar 28 and again by Sep 5; both mature before Nov 13. | Sep 5 |
| Broccoli | Feb 28 | Mar 28–Apr 11 | 216 | fits: 80 days to maturity, 216 available after Mar 28. | Jul 28 |
| Cabbage | Feb 28 | Mar 28–Apr 11 | 230 | fits: 70 days to maturity, 230 available after Mar 28. | Aug 21 |
| Radish | — | Feb 28–May 23 | 244 | two-plantings: Plant Feb 28 and again by Sep 21; both mature before Oct 30. | Sep 21 |
| Beets | — | Feb 28–May 23 | 244 | two-plantings: Plant Feb 28 and again by Aug 22; both mature before Oct 30. | Aug 22 |
| Potatoes | — | Apr 11–Apr 18 | 202 | fits: 90 days to maturity, 202 available after Apr 11. | — |
| Garlic | — | Oct 23 | 286 | overwinter: Plant Oct 23 to Nov 13; harvest the following summer. | Nov 13 |
| Strawberry | — | Mar 21–May 16 | 237 | perennial: A perennial: plant Mar 21; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 28 | May 2–May 9 | 153 | fits: 75 days to maturity, 153 available after May 2. | Jul 5 |
| Pumpkin | Apr 11 | May 9–May 9 | 146 | fits: 100 days to maturity, 146 available after May 9. | Jun 10 |
| Cauliflower | Mar 14 | Apr 18–May 2 | 195 | fits: 75 days to maturity, 195 available after Apr 18. | Aug 2 |
| Swiss Chard | Feb 28 | Apr 11–Apr 11 | 202 | two-plantings: Plant Apr 11 and again by Aug 22; both mature before Oct 30. | Aug 22 |
| Arugula | — | Feb 28–May 23 | 258 | two-plantings: Plant Feb 28 and again by Sep 20; both mature before Nov 13. | Sep 20 |
| Brussel Sprouts | Feb 28 | Mar 28–Apr 11 | 230 | fits: 100 days to maturity, 230 available after Mar 28. | Jul 22 |
| Butternut Squash | Apr 11 | May 9–May 16 | 146 | fits: 100 days to maturity, 146 available after May 9. | Jun 10 |
| Eggplant | Mar 7 | May 9–May 16 | 139 | fits: 70 days to maturity, 139 available after May 9. | Jul 3 |
| Okra | Mar 28 | May 2–May 9 | 160 | two-plantings: Plant May 2 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Basil | Mar 21 | May 16–May 16 | 146 | two-plantings: Plant May 16 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Cilantro | — | Mar 28–Apr 18 | 216 | two-plantings: Plant Mar 28 and again by Aug 27; both mature before Oct 30. | Aug 27 |
| Parsley | Feb 14 | May 2–May 9 | 181 | fits: 70 days to maturity, 181 available after May 2. | Aug 7 |
| Celery | Feb 14 | May 2–May 16 | 181 | fits: 120 days to maturity, 181 available after May 2. | Jun 18 |
| Scallions | Feb 14 | Mar 28–Apr 11 | 230 | two-plantings: Plant Mar 28 and again by Aug 31; both mature before Nov 13. | Aug 31 |
| Turnip | — | Mar 28–Apr 11 | 230 | two-plantings: Plant Mar 28 and again by Sep 10; both mature before Nov 13. | Sep 10 |
| Kohlrabi | — | Mar 14–Mar 28 | 244 | two-plantings: Plant Mar 14 and again by Sep 5; both mature before Nov 13. | Sep 5 |
| Bok Choy | Mar 28 | Apr 18–Apr 25 | 195 | two-plantings: Plant Apr 18 and again by Sep 1; both mature before Oct 30. | Sep 1 |
| Collards | Feb 14 | Mar 28–Apr 11 | 230 | two-plantings: Plant Mar 28 and again by Aug 31; both mature before Nov 13. | Aug 31 |
| Cantaloupe | Apr 11 | May 9–May 16 | 139 | fits: 85 days to maturity, 139 available after May 9. | Jun 18 |
| Chives | Jan 31 | May 2–May 9 | 195 | fits: 90 days to maturity, 195 available after May 2. | — |
| Dill | — | Feb 28–May 23 | 244 | two-plantings: Plant Feb 28 and again by Aug 22; both mature before Oct 30. | Aug 22 |
| Oregano | Feb 14 | May 2–May 9 | 195 | fits: 80 days to maturity, 195 available after May 2. | — |
| Rosemary | Jan 31 | May 2–May 9 | 181 | fits: 80 days to maturity, 181 available after May 2. | — |
| Sage | Feb 28 | May 2–May 9 | 195 | fits: 75 days to maturity, 195 available after May 2. | — |
| Thyme | Feb 14 | May 2–May 9 | 195 | fits: 90 days to maturity, 195 available after May 2. | — |
| Calendula | Mar 14 | Apr 11–Apr 25 | 202 | two-plantings: Plant Apr 11 and again by Aug 27; both mature before Oct 30. | Aug 27 |
| Cosmos | Mar 28 | Apr 25–May 9 | 167 | two-plantings: Plant Apr 25 and again by Jul 27; both mature before Oct 9. | Jul 27 |
| Lavender | Jan 31 | Apr 25–May 9 | 202 | fits: 90 days to maturity, 202 available after Apr 25. | — |
| Marigolds | Mar 14 | Apr 25–May 2 | 167 | two-plantings: Plant Apr 25 and again by Aug 6; both mature before Oct 9. | Aug 6 |
| Melons | Apr 11 | May 9–May 16 | 139 | fits: 85 days to maturity, 139 available after May 9. | Jun 18 |
| Mint | — | Apr 25–May 9 | 202 | fits: 90 days to maturity, 202 available after Apr 25. | — |
| Nasturtiums | Mar 28 | Apr 25–May 2 | 167 | two-plantings: Plant Apr 25 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Pole Beans | — | May 2–May 16 | 160 | fits: 65 days to maturity, 160 available after May 2. | Jul 22 |
| Spaghetti Squash | Apr 11 | May 9–May 16 | 146 | fits: 90 days to maturity, 146 available after May 9. | Jun 20 |
| Sunflowers | — | Apr 25–May 9 | 167 | fits: 70 days to maturity, 167 available after Apr 25. | Jul 17 |
| Tomatillos | Feb 28 | May 2–May 9 | 146 | fits: 75 days to maturity, 146 available after May 2. | Jun 28 |
| Watermelon | Apr 11 | May 2–May 9 | 146 | fits: 80 days to maturity, 146 available after May 2. | Jun 23 |
| Yellow Squash | Apr 11 | May 9–May 16 | 153 | two-plantings: Plant May 9 and again by Aug 1; both mature before Oct 9. | Aug 1 |
| Zinnias | Mar 28 | Apr 25–May 9 | 167 | two-plantings: Plant Apr 25 and again by Jul 27; both mature before Oct 9. | Jul 27 |
Month by month in Hyannis
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 31), Lavender (Jan 31), Onion (Jan 31), Rosemary (Jan 31). |
| February | Start indoors: Celery (Feb 14), Collards (Feb 14), Kale (Feb 14), Oregano (Feb 14), Parsley (Feb 14), Scallions (Feb 14), +8 more. Direct sow from: Arugula (Feb 28), Beets (Feb 28), Dill (Feb 28), Peas (Feb 28), Radish (Feb 28), Spinach (Feb 28). |
| March | Start indoors: Eggplant (Mar 7), Calendula (Mar 14), Cauliflower (Mar 14), Marigolds (Mar 14), Pepper (Mar 14), Basil (Mar 21), +7 more. Direct sow from: Kohlrabi (Mar 14), Cilantro (Mar 28), Turnip (Mar 28). Transplant from: Broccoli (Mar 28), Brussel Sprouts (Mar 28), Cabbage (Mar 28), Collards (Mar 28), Kale (Mar 28), Lettuce (Mar 28), +2 more. Plant: Strawberry (Mar 21). |
| April | Start indoors: Cucumber (Apr 4), Butternut Squash (Apr 11), Cantaloupe (Apr 11), Melons (Apr 11), Pumpkin (Apr 11), Spaghetti Squash (Apr 11), +3 more. Direct sow from: Carrots (Apr 4), Potatoes (Apr 11), Sunflowers (Apr 25). Transplant from: Calendula (Apr 11), Swiss Chard (Apr 11), Bok Choy (Apr 18), Cauliflower (Apr 18), Cosmos (Apr 25), Lavender (Apr 25), +4 more. Last frost around April 25. |
| May | Direct sow from: Beans (May 2), Pole Beans (May 2). Transplant from: Celery (May 2), Chives (May 2), Corn (May 2), Okra (May 2), Oregano (May 2), Parsley (May 2), +17 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 Hyannis, MA (ZIP 02601)?
The median last spring frost date for Hyannis, MA (ZIP code 02601) is around April 25. 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 12; one in ten it runs past May 7.
What is the first fall frost date in Hyannis, MA?
The median first fall frost date for Hyannis, MA 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 Hyannis, MA?
The frost-free growing season in Hyannis is about 181 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 Hyannis (181 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 Hyannis, MA?
Hyannis, MA 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 Hyannis, MA?
Start tomatoes indoors Mar 21 and plant out May 9 in Hyannis. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Hyannis?
Two: plant Mar 28 and again by Sep 1; both mature before Oct 30.
When do I plant garlic in Hyannis?
Oct 23 to Nov 13; it overwinters and is ready the following summer.
Can I get two tomato crops in Hyannis?
Yes: plant out May 9 for a summer crop, and set out a second round of transplants by Jun 23 for a fall crop.
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