Frost Dates for Laramie, WY 82073
Laramie has 3 ZIP codes. The Laramie, WY frost page lists all of them with their dates.
Last spring frost June 7 · First fall frost September 14 · 99 frost-free days · USDA Zone 5b
ZIP 82073 has about 37 people, one of 3 ZIP codes in Laramie.
Short season: 99 frost-free days. Spring frost risk spans May 20–June 25 (36 days). Fall frost risk spans September 1–September 27 (26 days).
Frost probability for 82073
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 25 | June 7 | May 20 |
| Fall (first frost) | September 1 | September 14 | September 27 |
Dates come from NOAA 1971–2000 freeze probabilities at LARAMIE AP (26.3 km away); the 50% date is the median year.
Which crops fit a 99-day season in Laramie
In Laramie (99 frost-free days, a short season), 29 of 56 planner crops fit outright, 14 get two plantings, 6 need an indoor start, 6 don't reliably mature, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | May 3 | Jun 21–Jun 28 | 57 | no-fit: Needs 80 days; Laramie has 57 after Jun 21. | — |
| Pepper | Apr 26 | Jun 21–Jun 28 | 57 | head-start: Even planted out Jun 21, the outdoor season is about 18 days short; choose an early variety or grow under cover. | — |
| Lettuce | Apr 12 | May 10–May 17 | 134 | two-plantings: Plant May 10 and again by Jul 24; both mature before Sep 21. | Jul 24 |
| Carrots | — | May 17–May 24 | 141 | fits: 70 days to maturity, 141 available after May 17. | Jul 13 |
| Cucumber | May 17 | Jun 21–Jun 28 | 71 | fits: 60 days to maturity, 71 available after Jun 21. | — |
| Beans | — | Jun 14–Jun 28 | 85 | fits: 60 days to maturity, 85 available after Jun 14. | Jun 25 |
| Peas | — | Apr 12–Jun 21 | 162 | fits: 65 days to maturity, 162 available after Apr 12. | Jul 4 |
| Zucchini | May 24 | Jun 21–Jun 28 | 71 | fits: 55 days to maturity, 71 available after Jun 21. | Jun 23 |
| Onion | Mar 15 | May 10–May 24 | 134 | fits: 100 days to maturity, 134 available after May 10. | — |
| Spinach | — | Apr 12–May 31 | 176 | two-plantings: Plant Apr 12 and again by Aug 12; both mature before Oct 5. | Aug 12 |
| Kale | Mar 29 | May 10–May 24 | 148 | two-plantings: Plant May 10 and again by Jul 28; both mature before Oct 5. | Jul 28 |
| Broccoli | Apr 12 | May 10–May 24 | 134 | fits: 80 days to maturity, 134 available after May 10. | Jun 19 |
| Cabbage | Apr 12 | May 10–May 24 | 148 | fits: 70 days to maturity, 148 available after May 10. | Jul 13 |
| Radish | — | Apr 12–Jul 5 | 162 | two-plantings: Plant Apr 12 and again by Aug 13; both mature before Sep 21. | Aug 13 |
| Beets | — | Apr 12–Jul 5 | 162 | two-plantings: Plant Apr 12 and again by Jul 14; both mature before Sep 21. | Jul 14 |
| Potatoes | — | May 24–May 31 | 120 | fits: 90 days to maturity, 120 available after May 24. | — |
| Garlic | — | Sep 14 | 204 | overwinter: Plant Sep 14 to Oct 5; harvest the following summer. | Oct 5 |
| Strawberry | — | May 3–Jun 28 | 155 | perennial: A perennial: plant May 3; it fruits from the following year and keeps producing for several years. | — |
| Corn | May 10 | Jun 14–Jun 21 | 71 | head-start: Even planted out Jun 14, the outdoor season is about 4 days short; choose an early variety or grow under cover. | — |
| Pumpkin | May 24 | Jun 21–Jun 21 | 64 | no-fit: Needs 100 days; Laramie has 64 after Jun 21. | — |
| Cauliflower | Apr 26 | May 31–Jun 14 | 113 | fits: 75 days to maturity, 113 available after May 31. | Jun 24 |
| Swiss Chard | Apr 12 | May 24–May 24 | 120 | fits: 55 days to maturity, 120 available after May 24. | Jul 14 |
| Arugula | — | Apr 12–Jul 5 | 176 | two-plantings: Plant Apr 12 and again by Aug 12; both mature before Oct 5. | Aug 12 |
| Brussel Sprouts | Apr 12 | May 10–May 24 | 148 | fits: 100 days to maturity, 148 available after May 10. | Jun 13 |
| Butternut Squash | May 24 | Jun 21–Jun 28 | 64 | no-fit: Needs 100 days; Laramie has 64 after Jun 21. | — |
| Eggplant | Apr 19 | Jun 21–Jun 28 | 57 | head-start: Even planted out Jun 21, the outdoor season is about 13 days short; choose an early variety or grow under cover. | — |
| Okra | May 10 | Jun 14–Jun 21 | 78 | fits: 55 days to maturity, 78 available after Jun 14. | Jun 23 |
| Basil | May 3 | Jun 28–Jun 28 | 64 | fits: 60 days to maturity, 64 available after Jun 28. | — |
| Cilantro | — | May 10–May 31 | 134 | two-plantings: Plant May 10 and again by Jul 19; both mature before Sep 21. | Jul 19 |
| Parsley | Mar 29 | Jun 14–Jun 21 | 99 | fits: 70 days to maturity, 99 available after Jun 14. | Jun 29 |
| Celery | Mar 29 | Jun 14–Jun 28 | 99 | head-start: Even planted out Jun 14, the outdoor season is about 21 days short; choose an early variety or grow under cover. | — |
| Scallions | Mar 29 | May 10–May 24 | 148 | two-plantings: Plant May 10 and again by Jul 23; both mature before Oct 5. | Jul 23 |
| Turnip | — | May 10–May 24 | 148 | two-plantings: Plant May 10 and again by Aug 2; both mature before Oct 5. | Aug 2 |
| Kohlrabi | — | Apr 26–May 10 | 162 | two-plantings: Plant Apr 26 and again by Jul 28; both mature before Oct 5. | Jul 28 |
| Bok Choy | May 10 | May 31–Jun 7 | 113 | two-plantings: Plant May 31 and again by Jul 24; both mature before Sep 21. | Jul 24 |
| Collards | Mar 29 | May 10–May 24 | 148 | two-plantings: Plant May 10 and again by Jul 23; both mature before Oct 5. | Jul 23 |
| Cantaloupe | May 24 | Jun 21–Jun 28 | 57 | no-fit: Needs 85 days; Laramie has 57 after Jun 21. | — |
| Chives | Mar 15 | Jun 14–Jun 21 | 113 | fits: 90 days to maturity, 113 available after Jun 14. | — |
| Dill | — | Apr 12–Jul 5 | 162 | two-plantings: Plant Apr 12 and again by Jul 14; both mature before Sep 21. | Jul 14 |
| Oregano | Mar 29 | Jun 14–Jun 21 | 113 | fits: 80 days to maturity, 113 available after Jun 14. | — |
| Rosemary | Mar 15 | Jun 14–Jun 21 | 99 | fits: 80 days to maturity, 99 available after Jun 14. | — |
| Sage | Apr 12 | Jun 14–Jun 21 | 113 | fits: 75 days to maturity, 113 available after Jun 14. | — |
| Thyme | Mar 29 | Jun 14–Jun 21 | 113 | fits: 90 days to maturity, 113 available after Jun 14. | — |
| Calendula | Apr 26 | May 24–Jun 7 | 120 | two-plantings: Plant May 24 and again by Jul 19; both mature before Sep 21. | Jul 19 |
| Cosmos | May 10 | Jun 7–Jun 21 | 85 | fits: 60 days to maturity, 85 available after Jun 7. | Jun 18 |
| Lavender | Mar 15 | Jun 7–Jun 21 | 120 | fits: 90 days to maturity, 120 available after Jun 7. | — |
| Marigolds | Apr 26 | Jun 7–Jun 14 | 85 | fits: 50 days to maturity, 85 available after Jun 7. | Jun 28 |
| Melons | May 24 | Jun 21–Jun 28 | 57 | no-fit: Needs 85 days; Laramie has 57 after Jun 21. | — |
| Mint | — | Jun 7–Jun 21 | 120 | fits: 90 days to maturity, 120 available after Jun 7. | — |
| Nasturtiums | May 10 | Jun 7–Jun 14 | 85 | fits: 55 days to maturity, 85 available after Jun 7. | Jun 23 |
| Pole Beans | — | Jun 14–Jun 28 | 78 | fits: 65 days to maturity, 78 available after Jun 14. | — |
| Spaghetti Squash | May 24 | Jun 21–Jun 28 | 64 | no-fit: Needs 90 days; Laramie has 64 after Jun 21. | — |
| Sunflowers | — | Jun 7–Jun 21 | 85 | fits: 70 days to maturity, 85 available after Jun 7. | Jun 8 |
| Tomatillos | Apr 12 | Jun 14–Jun 21 | 64 | head-start: Even planted out Jun 14, the outdoor season is about 11 days short; choose an early variety or grow under cover. | — |
| Watermelon | May 24 | Jun 14–Jun 21 | 64 | head-start: Even planted out Jun 14, the outdoor season is about 16 days short; choose an early variety or grow under cover. | — |
| Yellow Squash | May 24 | Jun 21–Jun 28 | 71 | fits: 55 days to maturity, 71 available after Jun 21. | Jun 23 |
| Zinnias | May 10 | Jun 7–Jun 21 | 85 | fits: 60 days to maturity, 85 available after Jun 7. | Jun 18 |
Month by month in Laramie
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start the slowest-growing crops indoors: onions, leeks, and celery (10–12 weeks before last frost). |
| March | Start indoors: Chives (Mar 15), Lavender (Mar 15), Onion (Mar 15), Rosemary (Mar 15), Celery (Mar 29), Collards (Mar 29), +5 more. |
| April | Start indoors: Broccoli (Apr 12), Brussel Sprouts (Apr 12), Cabbage (Apr 12), Lettuce (Apr 12), Sage (Apr 12), Swiss Chard (Apr 12), +6 more. Direct sow from: Arugula (Apr 12), Beets (Apr 12), Dill (Apr 12), Peas (Apr 12), Radish (Apr 12), Spinach (Apr 12), +1 more. |
| May | Start indoors: Basil (May 3), Tomato (May 3), Bok Choy (May 10), Corn (May 10), Cosmos (May 10), Nasturtiums (May 10), +11 more. Direct sow from: Cilantro (May 10), Turnip (May 10), Carrots (May 17), Potatoes (May 24). Transplant from: Broccoli (May 10), Brussel Sprouts (May 10), Cabbage (May 10), Collards (May 10), Kale (May 10), Lettuce (May 10), +6 more. Plant: Strawberry (May 3). |
| June | Direct sow from: Sunflowers (Jun 7), Beans (Jun 14), Pole Beans (Jun 14). Transplant from: Cosmos (Jun 7), Lavender (Jun 7), Marigolds (Jun 7), Mint (Jun 7), Nasturtiums (Jun 7), Zinnias (Jun 7), +23 more. Last frost around June 7. Last sowing dates: Sunflowers (Jun 8), Brussel Sprouts (Jun 13), Cosmos (Jun 18), Zinnias (Jun 18), Broccoli (Jun 19), Nasturtiums (Jun 23), +7 more. |
| July | Last sowing dates: Peas (Jul 4), Cabbage (Jul 13), Carrots (Jul 13), Beets (Jul 14), Dill (Jul 14), Swiss Chard (Jul 14), +8 more. |
| August | Last sowing dates: Turnip (Aug 2), Arugula (Aug 12), Spinach (Aug 12), Radish (Aug 13). |
| September | Direct sow from: Garlic (Sep 14). First frost around September 14. |
| October | Last sowing dates: Garlic (Oct 5). |
| 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 Laramie, WY (ZIP 82073)?
The median last spring frost date for Laramie, WY (ZIP code 82073) is around June 7. 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 May 20; one in ten it runs past June 25.
What is the first fall frost date in Laramie, WY?
The median first fall frost date for Laramie, WY is around September 14. 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 1 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Laramie, WY?
The frost-free growing season in Laramie is about 99 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 Laramie (99 frost-free days, a short season), 29 of 56 planner crops fit outright, 14 get two plantings, 6 need an indoor start, 6 don't reliably mature, 1 crop is perennial.
What USDA hardiness zone is Laramie, WY?
Laramie, WY is in USDA hardiness zone 5b (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 Laramie, WY?
Start tomatoes indoors May 3 and plant out Jun 21 in Laramie. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Laramie?
Two: plant May 10 and again by Jul 24; both mature before Sep 21.
When do I plant garlic in Laramie?
Sep 14 to Oct 5; it overwinters and is ready the following summer.
Can I grow Celery in Laramie?
Yes, with help. Even planted out Jun 14, the outdoor season is about 21 days short; choose an early variety or grow under cover.
Which nearby ZIP has a longer season?
Cheyenne (ZIP 82001) has 137 frost-free days, 38 more than Laramie (ZIP 82073). See Cheyenne ZIP 82001 frost dates
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- When to plant in WY
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