Frost Dates for Woodland Park, CO 80863
Last spring frost June 12 · First fall frost September 9 · 89 frost-free days · USDA Zone 5b
ZIP 80863 has about 12,300 people.
Short season: 89 frost-free days. Spring frost risk spans May 20–July 6 (47 days). Fall frost risk spans August 18–October 2 (45 days).
Frost probability for 80863
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | July 6 | June 12 | May 20 |
| Fall (first frost) | August 18 | September 9 | October 2 |
Dates come from NOAA 1971–2000 freeze probabilities at CHEESMAN (27.7 km away); the 50% date is the median year.
Which crops fit a 89-day season in Woodland Park
In Woodland Park (89 frost-free days, a short season), 30 of 56 planner crops fit outright, 12 get two plantings, 3 need an indoor start, 10 don't reliably mature, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | May 8 | Jun 26–Jul 3 | 47 | no-fit: Needs 80 days; Woodland Park has 47 after Jun 26. | — |
| Pepper | May 1 | Jun 26–Jul 3 | 47 | no-fit: Needs 75 days; Woodland Park has 47 after Jun 26. | — |
| Lettuce | Apr 17 | May 15–May 22 | 124 | two-plantings: Plant May 15 and again by Jul 19; both mature before Sep 16. | Jul 19 |
| Carrots | — | May 22–May 29 | 131 | fits: 70 days to maturity, 131 available after May 22. | Jul 8 |
| Cucumber | May 22 | Jun 26–Jul 3 | 61 | fits: 60 days to maturity, 61 available after Jun 26. | — |
| Beans | — | Jun 19–Jul 3 | 75 | fits: 60 days to maturity, 75 available after Jun 19. | Jun 20 |
| Peas | — | Apr 17–Jun 26 | 152 | fits: 65 days to maturity, 152 available after Apr 17. | Jun 29 |
| Zucchini | May 29 | Jun 26–Jul 3 | 61 | fits: 55 days to maturity, 61 available after Jun 26. | — |
| Onion | Mar 20 | May 15–May 29 | 124 | fits: 100 days to maturity, 124 available after May 15. | — |
| Spinach | — | Apr 17–Jun 5 | 166 | two-plantings: Plant Apr 17 and again by Aug 7; both mature before Sep 30. | Aug 7 |
| Kale | Apr 3 | May 15–May 29 | 138 | two-plantings: Plant May 15 and again by Jul 23; both mature before Sep 30. | Jul 23 |
| Broccoli | Apr 17 | May 15–May 29 | 124 | fits: 80 days to maturity, 124 available after May 15. | Jun 14 |
| Cabbage | Apr 17 | May 15–May 29 | 138 | fits: 70 days to maturity, 138 available after May 15. | Jul 8 |
| Radish | — | Apr 17–Jul 10 | 152 | two-plantings: Plant Apr 17 and again by Aug 8; both mature before Sep 16. | Aug 8 |
| Beets | — | Apr 17–Jul 10 | 152 | two-plantings: Plant Apr 17 and again by Jul 9; both mature before Sep 16. | Jul 9 |
| Potatoes | — | May 29–Jun 5 | 110 | fits: 90 days to maturity, 110 available after May 29. | — |
| Garlic | — | Sep 9 | 194 | overwinter: Plant Sep 9 to Sep 30; harvest the following summer. | Sep 30 |
| Strawberry | — | May 8–Jul 3 | 145 | perennial: A perennial: plant May 8; it fruits from the following year and keeps producing for several years. | — |
| Corn | May 15 | Jun 19–Jun 26 | 61 | head-start: Even planted out Jun 19, the outdoor season is about 14 days short; choose an early variety or grow under cover. | — |
| Pumpkin | May 29 | Jun 26–Jun 26 | 54 | no-fit: Needs 100 days; Woodland Park has 54 after Jun 26. | — |
| Cauliflower | May 1 | Jun 5–Jun 19 | 103 | fits: 75 days to maturity, 103 available after Jun 5. | Jun 19 |
| Swiss Chard | Apr 17 | May 29–May 29 | 110 | fits: 55 days to maturity, 110 available after May 29. | Jul 9 |
| Arugula | — | Apr 17–Jul 10 | 166 | two-plantings: Plant Apr 17 and again by Aug 7; both mature before Sep 30. | Aug 7 |
| Brussel Sprouts | Apr 17 | May 15–May 29 | 138 | fits: 100 days to maturity, 138 available after May 15. | Jun 8 |
| Butternut Squash | May 29 | Jun 26–Jul 3 | 54 | no-fit: Needs 100 days; Woodland Park has 54 after Jun 26. | — |
| Eggplant | Apr 24 | Jun 26–Jul 3 | 47 | no-fit: Needs 70 days; Woodland Park has 47 after Jun 26. | — |
| Okra | May 15 | Jun 19–Jun 26 | 68 | fits: 55 days to maturity, 68 available after Jun 19. | — |
| Basil | May 8 | Jul 3–Jul 3 | 54 | head-start: Even planted out Jul 3, the outdoor season is about 6 days short; choose an early variety or grow under cover. | — |
| Cilantro | — | May 15–Jun 5 | 124 | two-plantings: Plant May 15 and again by Jul 14; both mature before Sep 16. | Jul 14 |
| Parsley | Apr 3 | Jun 19–Jun 26 | 89 | fits: 70 days to maturity, 89 available after Jun 19. | Jun 24 |
| Celery | Apr 3 | Jun 19–Jul 3 | 89 | no-fit: Needs 120 days; Woodland Park has 89 after Jun 19. | — |
| Scallions | Apr 3 | May 15–May 29 | 138 | two-plantings: Plant May 15 and again by Jul 18; both mature before Sep 30. | Jul 18 |
| Turnip | — | May 15–May 29 | 138 | two-plantings: Plant May 15 and again by Jul 28; both mature before Sep 30. | Jul 28 |
| Kohlrabi | — | May 1–May 15 | 152 | two-plantings: Plant May 1 and again by Jul 23; both mature before Sep 30. | Jul 23 |
| Bok Choy | May 15 | Jun 5–Jun 12 | 103 | fits: 45 days to maturity, 103 available after Jun 5. | Jul 19 |
| Collards | Apr 3 | May 15–May 29 | 138 | two-plantings: Plant May 15 and again by Jul 18; both mature before Sep 30. | Jul 18 |
| Cantaloupe | May 29 | Jun 26–Jul 3 | 47 | no-fit: Needs 85 days; Woodland Park has 47 after Jun 26. | — |
| Chives | Mar 20 | Jun 19–Jun 26 | 103 | fits: 90 days to maturity, 103 available after Jun 19. | — |
| Dill | — | Apr 17–Jul 10 | 152 | two-plantings: Plant Apr 17 and again by Jul 9; both mature before Sep 16. | Jul 9 |
| Oregano | Apr 3 | Jun 19–Jun 26 | 103 | fits: 80 days to maturity, 103 available after Jun 19. | — |
| Rosemary | Mar 20 | Jun 19–Jun 26 | 89 | fits: 80 days to maturity, 89 available after Jun 19. | — |
| Sage | Apr 17 | Jun 19–Jun 26 | 103 | fits: 75 days to maturity, 103 available after Jun 19. | — |
| Thyme | Apr 3 | Jun 19–Jun 26 | 103 | fits: 90 days to maturity, 103 available after Jun 19. | — |
| Calendula | May 1 | May 29–Jun 12 | 110 | fits: 50 days to maturity, 110 available after May 29. | Jul 14 |
| Cosmos | May 15 | Jun 12–Jun 26 | 75 | fits: 60 days to maturity, 75 available after Jun 12. | Jun 13 |
| Lavender | Mar 20 | Jun 12–Jun 26 | 110 | fits: 90 days to maturity, 110 available after Jun 12. | — |
| Marigolds | May 1 | Jun 12–Jun 19 | 75 | fits: 50 days to maturity, 75 available after Jun 12. | Jun 23 |
| Melons | May 29 | Jun 26–Jul 3 | 47 | no-fit: Needs 85 days; Woodland Park has 47 after Jun 26. | — |
| Mint | — | Jun 12–Jun 26 | 110 | fits: 90 days to maturity, 110 available after Jun 12. | — |
| Nasturtiums | May 15 | Jun 12–Jun 19 | 75 | fits: 55 days to maturity, 75 available after Jun 12. | Jun 18 |
| Pole Beans | — | Jun 19–Jul 3 | 68 | fits: 65 days to maturity, 68 available after Jun 19. | — |
| Spaghetti Squash | May 29 | Jun 26–Jul 3 | 54 | no-fit: Needs 90 days; Woodland Park has 54 after Jun 26. | — |
| Sunflowers | — | Jun 12–Jun 26 | 75 | fits: 70 days to maturity, 75 available after Jun 12. | — |
| Tomatillos | Apr 17 | Jun 19–Jun 26 | 54 | head-start: Even planted out Jun 19, the outdoor season is about 21 days short; choose an early variety or grow under cover. | — |
| Watermelon | May 29 | Jun 19–Jun 26 | 54 | no-fit: Needs 80 days; Woodland Park has 54 after Jun 19. | — |
| Yellow Squash | May 29 | Jun 26–Jul 3 | 61 | fits: 55 days to maturity, 61 available after Jun 26. | — |
| Zinnias | May 15 | Jun 12–Jun 26 | 75 | fits: 60 days to maturity, 75 available after Jun 12. | Jun 13 |
Month by month in Woodland Park
| 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 20), Lavender (Mar 20), Onion (Mar 20), Rosemary (Mar 20). |
| April | Start indoors: Celery (Apr 3), Collards (Apr 3), Kale (Apr 3), Oregano (Apr 3), Parsley (Apr 3), Scallions (Apr 3), +9 more. Direct sow from: Arugula (Apr 17), Beets (Apr 17), Dill (Apr 17), Peas (Apr 17), Radish (Apr 17), Spinach (Apr 17). |
| May | Start indoors: Calendula (May 1), Cauliflower (May 1), Marigolds (May 1), Pepper (May 1), Basil (May 8), Tomato (May 8), +15 more. Direct sow from: Kohlrabi (May 1), Cilantro (May 15), Turnip (May 15), Carrots (May 22), Potatoes (May 29). Transplant from: Broccoli (May 15), Brussel Sprouts (May 15), Cabbage (May 15), Collards (May 15), Kale (May 15), Lettuce (May 15), +4 more. Plant: Strawberry (May 8). |
| June | Direct sow from: Sunflowers (Jun 12), Beans (Jun 19), Pole Beans (Jun 19). Transplant from: Bok Choy (Jun 5), Cauliflower (Jun 5), Cosmos (Jun 12), Lavender (Jun 12), Marigolds (Jun 12), Mint (Jun 12), +24 more. Last frost around June 12. Last sowing dates: Brussel Sprouts (Jun 8), Cosmos (Jun 13), Zinnias (Jun 13), Broccoli (Jun 14), Nasturtiums (Jun 18), Cauliflower (Jun 19), +4 more. |
| July | Transplant from: Basil (Jul 3). Last sowing dates: Cabbage (Jul 8), Carrots (Jul 8), Beets (Jul 9), Dill (Jul 9), Swiss Chard (Jul 9), Calendula (Jul 14), +8 more. |
| August | Last sowing dates: Arugula (Aug 7), Spinach (Aug 7), Radish (Aug 8). |
| September | Direct sow from: Garlic (Sep 9). First frost around September 9. Last sowing dates: Garlic (Sep 30). |
| October | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
| 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 Woodland Park, CO (ZIP 80863)?
The median last spring frost date for Woodland Park, CO (ZIP code 80863) is around June 12. 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 July 6.
What is the first fall frost date in Woodland Park, CO?
The median first fall frost date for Woodland Park, CO is around September 9. 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 August 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Woodland Park, CO?
The frost-free growing season in Woodland Park is about 89 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 Woodland Park (89 frost-free days, a short season), 30 of 56 planner crops fit outright, 12 get two plantings, 3 need an indoor start, 10 don't reliably mature, 1 crop is perennial.
What USDA hardiness zone is Woodland Park, CO?
Woodland Park, CO 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 Woodland Park, CO?
Start tomatoes indoors May 8 and plant out Jun 26 in Woodland Park. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Woodland Park?
Two: plant May 15 and again by Jul 19; both mature before Sep 16.
When do I plant garlic in Woodland Park?
Sep 9 to Sep 30; it overwinters and is ready the following summer.
Can I grow Celery in Woodland Park?
Not reliably outdoors. Needs 120 days; Woodland Park has 89 after Jun 19.
Which nearby ZIP has a longer season?
Colorado Springs (ZIP 80921) has 125 frost-free days, 36 more than Woodland Park (ZIP 80863). See Colorado Springs ZIP 80921 frost dates
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