Frost Dates for Harrison, AR 72601
Last spring frost April 16 · First fall frost October 20 · 187 frost-free days · USDA Zone 7b
ZIP 72601 has about 31,400 people.
Long season: 187 frost-free days. Spring frost risk spans April 3–April 28 (25 days). Fall frost risk spans October 2–November 6 (35 days).
Frost probability for 72601
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 28 | April 16 | April 3 |
| Fall (first frost) | October 2 | October 20 | November 6 |
Dates come from NOAA 1971–2000 freeze probabilities at OZARK BEACH (48.7 km away); the 50% date is the median year.
Which crops fit a 187-day season in Harrison
In Harrison (187 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 12 | Apr 30–May 7 | 145 | fits: 80 days to maturity, 145 available after Apr 30. | Jun 20 |
| Pepper | Mar 5 | Apr 30–May 7 | 145 | fits: 75 days to maturity, 145 available after Apr 30. | Jun 25 |
| Lettuce | Feb 19 | Mar 19–Mar 26 | 222 | two-plantings: Plant Mar 19 and again by Aug 29; both mature before Oct 27. | Aug 29 |
| Carrots | — | Mar 26–Apr 2 | 229 | fits: 70 days to maturity, 229 available after Mar 26. | Aug 18 |
| Cucumber | Mar 26 | Apr 30–May 7 | 159 | two-plantings: Plant Apr 30 and again by Jul 24; both mature before Oct 6. | Jul 24 |
| Beans | — | Apr 23–May 7 | 173 | two-plantings: Plant Apr 23 and again by Jul 31; both mature before Oct 13. | Jul 31 |
| Peas | — | Feb 19–Apr 30 | 250 | fits: 65 days to maturity, 250 available after Feb 19. | Aug 9 |
| Zucchini | Apr 2 | Apr 30–May 7 | 159 | two-plantings: Plant Apr 30 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Onion | Jan 22 | Mar 19–Apr 2 | 222 | fits: 100 days to maturity, 222 available after Mar 19. | — |
| Spinach | — | Feb 19–Apr 9 | 264 | two-plantings: Plant Feb 19 and again by Sep 17; both mature before Nov 10. | Sep 17 |
| Kale | Feb 5 | Mar 19–Apr 2 | 236 | two-plantings: Plant Mar 19 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Broccoli | Feb 19 | Mar 19–Apr 2 | 222 | fits: 80 days to maturity, 222 available after Mar 19. | Jul 25 |
| Cabbage | Feb 19 | Mar 19–Apr 2 | 236 | fits: 70 days to maturity, 236 available after Mar 19. | Aug 18 |
| Radish | — | Feb 19–May 14 | 250 | two-plantings: Plant Feb 19 and again by Sep 18; both mature before Oct 27. | Sep 18 |
| Beets | — | Feb 19–May 14 | 250 | two-plantings: Plant Feb 19 and again by Aug 19; both mature before Oct 27. | Aug 19 |
| Potatoes | — | Apr 2–Apr 9 | 208 | fits: 90 days to maturity, 208 available after Apr 2. | — |
| Garlic | — | Oct 20 | 292 | overwinter: Plant Oct 20 to Nov 10; harvest the following summer. | Nov 10 |
| Strawberry | — | Mar 12–May 7 | 243 | perennial: A perennial: plant Mar 12; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 19 | Apr 23–Apr 30 | 159 | fits: 75 days to maturity, 159 available after Apr 23. | Jul 2 |
| Pumpkin | Apr 2 | Apr 30–Apr 30 | 152 | fits: 100 days to maturity, 152 available after Apr 30. | Jun 7 |
| Cauliflower | Mar 5 | Apr 9–Apr 23 | 201 | fits: 75 days to maturity, 201 available after Apr 9. | Jul 30 |
| Swiss Chard | Feb 19 | Apr 2–Apr 2 | 208 | two-plantings: Plant Apr 2 and again by Aug 19; both mature before Oct 27. | Aug 19 |
| Arugula | — | Feb 19–May 14 | 264 | two-plantings: Plant Feb 19 and again by Sep 17; both mature before Nov 10. | Sep 17 |
| Brussel Sprouts | Feb 19 | Mar 19–Apr 2 | 236 | fits: 100 days to maturity, 236 available after Mar 19. | Jul 19 |
| Butternut Squash | Apr 2 | Apr 30–May 7 | 152 | fits: 100 days to maturity, 152 available after Apr 30. | Jun 7 |
| Eggplant | Feb 26 | Apr 30–May 7 | 145 | fits: 70 days to maturity, 145 available after Apr 30. | Jun 30 |
| Okra | Mar 19 | Apr 23–Apr 30 | 166 | two-plantings: Plant Apr 23 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Basil | Mar 12 | May 7–May 7 | 152 | two-plantings: Plant May 7 and again by Jul 24; both mature before Oct 6. | Jul 24 |
| Cilantro | — | Mar 19–Apr 9 | 222 | two-plantings: Plant Mar 19 and again by Aug 24; both mature before Oct 27. | Aug 24 |
| Parsley | Feb 5 | Apr 23–Apr 30 | 187 | fits: 70 days to maturity, 187 available after Apr 23. | Aug 4 |
| Celery | Feb 5 | Apr 23–May 7 | 187 | fits: 120 days to maturity, 187 available after Apr 23. | Jun 15 |
| Scallions | Feb 5 | Mar 19–Apr 2 | 236 | two-plantings: Plant Mar 19 and again by Aug 28; both mature before Nov 10. | Aug 28 |
| Turnip | — | Mar 19–Apr 2 | 236 | two-plantings: Plant Mar 19 and again by Sep 7; both mature before Nov 10. | Sep 7 |
| Kohlrabi | — | Mar 5–Mar 19 | 250 | two-plantings: Plant Mar 5 and again by Sep 2; both mature before Nov 10. | Sep 2 |
| Bok Choy | Mar 19 | Apr 9–Apr 16 | 201 | two-plantings: Plant Apr 9 and again by Aug 29; both mature before Oct 27. | Aug 29 |
| Collards | Feb 5 | Mar 19–Apr 2 | 236 | two-plantings: Plant Mar 19 and again by Aug 28; both mature before Nov 10. | Aug 28 |
| Cantaloupe | Apr 2 | Apr 30–May 7 | 145 | fits: 85 days to maturity, 145 available after Apr 30. | Jun 15 |
| Chives | Jan 22 | Apr 23–Apr 30 | 201 | fits: 90 days to maturity, 201 available after Apr 23. | — |
| Dill | — | Feb 19–May 14 | 250 | two-plantings: Plant Feb 19 and again by Aug 19; both mature before Oct 27. | Aug 19 |
| Oregano | Feb 5 | Apr 23–Apr 30 | 201 | fits: 80 days to maturity, 201 available after Apr 23. | — |
| Rosemary | Jan 22 | Apr 23–Apr 30 | 187 | fits: 80 days to maturity, 187 available after Apr 23. | — |
| Sage | Feb 19 | Apr 23–Apr 30 | 201 | fits: 75 days to maturity, 201 available after Apr 23. | — |
| Thyme | Feb 5 | Apr 23–Apr 30 | 201 | fits: 90 days to maturity, 201 available after Apr 23. | — |
| Calendula | Mar 5 | Apr 2–Apr 16 | 208 | two-plantings: Plant Apr 2 and again by Aug 24; both mature before Oct 27. | Aug 24 |
| Cosmos | Mar 19 | Apr 16–Apr 30 | 173 | two-plantings: Plant Apr 16 and again by Jul 24; both mature before Oct 6. | Jul 24 |
| Lavender | Jan 22 | Apr 16–Apr 30 | 208 | fits: 90 days to maturity, 208 available after Apr 16. | — |
| Marigolds | Mar 5 | Apr 16–Apr 23 | 173 | two-plantings: Plant Apr 16 and again by Aug 3; both mature before Oct 6. | Aug 3 |
| Melons | Apr 2 | Apr 30–May 7 | 145 | fits: 85 days to maturity, 145 available after Apr 30. | Jun 15 |
| Mint | — | Apr 16–Apr 30 | 208 | fits: 90 days to maturity, 208 available after Apr 16. | — |
| Nasturtiums | Mar 19 | Apr 16–Apr 23 | 173 | two-plantings: Plant Apr 16 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Pole Beans | — | Apr 23–May 7 | 166 | fits: 65 days to maturity, 166 available after Apr 23. | Jul 19 |
| Spaghetti Squash | Apr 2 | Apr 30–May 7 | 152 | fits: 90 days to maturity, 152 available after Apr 30. | Jun 17 |
| Sunflowers | — | Apr 16–Apr 30 | 173 | fits: 70 days to maturity, 173 available after Apr 16. | Jul 14 |
| Tomatillos | Feb 19 | Apr 23–Apr 30 | 152 | fits: 75 days to maturity, 152 available after Apr 23. | Jun 25 |
| Watermelon | Apr 2 | Apr 23–Apr 30 | 152 | fits: 80 days to maturity, 152 available after Apr 23. | Jun 20 |
| Yellow Squash | Apr 2 | Apr 30–May 7 | 159 | two-plantings: Plant Apr 30 and again by Jul 29; both mature before Oct 6. | Jul 29 |
| Zinnias | Mar 19 | Apr 16–Apr 30 | 173 | two-plantings: Plant Apr 16 and again by Jul 24; both mature before Oct 6. | Jul 24 |
Month by month in Harrison
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 22), Lavender (Jan 22), Onion (Jan 22), Rosemary (Jan 22). |
| February | Start indoors: Celery (Feb 5), Collards (Feb 5), Kale (Feb 5), Oregano (Feb 5), Parsley (Feb 5), Scallions (Feb 5), +9 more. Direct sow from: Arugula (Feb 19), Beets (Feb 19), Dill (Feb 19), Peas (Feb 19), Radish (Feb 19), Spinach (Feb 19). |
| March | Start indoors: Calendula (Mar 5), Cauliflower (Mar 5), Marigolds (Mar 5), Pepper (Mar 5), Basil (Mar 12), Tomato (Mar 12), +7 more. Direct sow from: Kohlrabi (Mar 5), Cilantro (Mar 19), Turnip (Mar 19), Carrots (Mar 26). Transplant from: Broccoli (Mar 19), Brussel Sprouts (Mar 19), Cabbage (Mar 19), Collards (Mar 19), Kale (Mar 19), Lettuce (Mar 19), +2 more. Plant: Strawberry (Mar 12). |
| April | Start indoors: Butternut Squash (Apr 2), Cantaloupe (Apr 2), Melons (Apr 2), Pumpkin (Apr 2), Spaghetti Squash (Apr 2), Watermelon (Apr 2), +2 more. Direct sow from: Potatoes (Apr 2), Sunflowers (Apr 16), Beans (Apr 23), Pole Beans (Apr 23). Transplant from: Calendula (Apr 2), Swiss Chard (Apr 2), Bok Choy (Apr 9), Cauliflower (Apr 9), Cosmos (Apr 16), Lavender (Apr 16), +26 more. Last frost around April 16. |
| May | Transplant from: Basil (May 7). |
| June | Last sowing dates: Butternut Squash (Jun 7), Pumpkin (Jun 7), Cantaloupe (Jun 15), Celery (Jun 15), Melons (Jun 15), Spaghetti Squash (Jun 17), +5 more. |
| July | Last sowing dates: Corn (Jul 2), Sunflowers (Jul 14), Brussel Sprouts (Jul 19), Pole Beans (Jul 19), Basil (Jul 24), Cosmos (Jul 24), +9 more. |
| August | Last sowing dates: Marigolds (Aug 3), Parsley (Aug 4), Peas (Aug 9), Cabbage (Aug 18), Carrots (Aug 18), Beets (Aug 19), +8 more. |
| September | Last sowing dates: Kale (Sep 2), Kohlrabi (Sep 2), Turnip (Sep 7), Arugula (Sep 17), Spinach (Sep 17), Radish (Sep 18). |
| October | Direct sow from: Garlic (Oct 20). First frost around October 20. |
| November | Last sowing dates: Garlic (Nov 10). |
| 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 Harrison, AR (ZIP 72601)?
The median last spring frost date for Harrison, AR (ZIP code 72601) is around April 16. 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 3; one in ten it runs past April 28.
What is the first fall frost date in Harrison, AR?
The median first fall frost date for Harrison, AR is around October 20. 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 2 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Harrison, AR?
The frost-free growing season in Harrison is about 187 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 Harrison (187 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 Harrison, AR?
Harrison, AR is in USDA hardiness zone 7b (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 Harrison, AR?
Start tomatoes indoors Mar 12 and plant out Apr 30 in Harrison. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Harrison?
Two: plant Mar 19 and again by Aug 29; both mature before Oct 27.
When do I plant garlic in Harrison?
Oct 20 to Nov 10; it overwinters and is ready the following summer.
Can I get two tomato crops in Harrison?
Yes: plant out Apr 30 for a summer crop, and set out a second round of transplants by Jun 20 for a fall crop.
Which nearby ZIP has a longer season?
Berryville (ZIP 72616) has 203 frost-free days, 16 more than Harrison (ZIP 72601). See Berryville ZIP 72616 frost dates
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