Frost Dates for Ogden, UT 84405
Ogden has 6 ZIP codes. The Ogden, UT frost page lists all of them with their dates.
Last spring frost May 1 · First fall frost October 12 · 164 frost-free days · USDA Zone 7a
ZIP 84405 has about 34,800 people, one of 6 ZIP codes in Ogden.
Moderate season: 164 frost-free days. Spring frost risk spans April 8–May 20 (42 days). Fall frost risk spans September 23–October 31 (38 days).
Frost probability for 84405
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | May 20 | May 1 | April 8 |
| Fall (first frost) | September 23 | October 12 | October 31 |
Dates come from NOAA 1971–2000 freeze probabilities at FARMINGTON 3 NW (15.5 km away); the 50% date is the median year.
Which crops fit a 164-day season in Ogden
In Ogden (164 frost-free days, a moderate season), 31 of 56 planner crops fit outright, 24 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Mar 27 | May 15–May 22 | 122 | fits: 80 days to maturity, 122 available after May 15. | Jun 12 |
| Pepper | Mar 20 | May 15–May 22 | 122 | fits: 75 days to maturity, 122 available after May 15. | Jun 17 |
| Lettuce | Mar 6 | Apr 3–Apr 10 | 199 | two-plantings: Plant Apr 3 and again by Aug 21; both mature before Oct 19. | Aug 21 |
| Carrots | — | Apr 10–Apr 17 | 206 | fits: 70 days to maturity, 206 available after Apr 10. | Aug 10 |
| Cucumber | Apr 10 | May 15–May 22 | 136 | two-plantings: Plant May 15 and again by Jul 16; both mature before Sep 28. | Jul 16 |
| Beans | — | May 8–May 22 | 150 | two-plantings: Plant May 8 and again by Jul 23; both mature before Oct 5. | Jul 23 |
| Peas | — | Mar 6–May 15 | 227 | fits: 65 days to maturity, 227 available after Mar 6. | Aug 1 |
| Zucchini | Apr 17 | May 15–May 22 | 136 | two-plantings: Plant May 15 and again by Jul 21; both mature before Sep 28. | Jul 21 |
| Onion | Feb 6 | Apr 3–Apr 17 | 199 | fits: 100 days to maturity, 199 available after Apr 3. | — |
| Spinach | — | Mar 6–Apr 24 | 241 | two-plantings: Plant Mar 6 and again by Sep 9; both mature before Nov 2. | Sep 9 |
| Kale | Feb 20 | Apr 3–Apr 17 | 213 | two-plantings: Plant Apr 3 and again by Aug 25; both mature before Nov 2. | Aug 25 |
| Broccoli | Mar 6 | Apr 3–Apr 17 | 199 | fits: 80 days to maturity, 199 available after Apr 3. | Jul 17 |
| Cabbage | Mar 6 | Apr 3–Apr 17 | 213 | fits: 70 days to maturity, 213 available after Apr 3. | Aug 10 |
| Radish | — | Mar 6–May 29 | 227 | two-plantings: Plant Mar 6 and again by Sep 10; both mature before Oct 19. | Sep 10 |
| Beets | — | Mar 6–May 29 | 227 | two-plantings: Plant Mar 6 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Potatoes | — | Apr 17–Apr 24 | 185 | fits: 90 days to maturity, 185 available after Apr 17. | — |
| Garlic | — | Oct 12 | 269 | overwinter: Plant Oct 12 to Nov 2; harvest the following summer. | Nov 2 |
| Strawberry | — | Mar 27–May 22 | 220 | perennial: A perennial: plant Mar 27; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 3 | May 8–May 15 | 136 | fits: 75 days to maturity, 136 available after May 8. | Jun 24 |
| Pumpkin | Apr 17 | May 15–May 15 | 129 | fits: 100 days to maturity, 129 available after May 15. | May 30 |
| Cauliflower | Mar 20 | Apr 24–May 8 | 178 | fits: 75 days to maturity, 178 available after Apr 24. | Jul 22 |
| Swiss Chard | Mar 6 | Apr 17–Apr 17 | 185 | two-plantings: Plant Apr 17 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Arugula | — | Mar 6–May 29 | 241 | two-plantings: Plant Mar 6 and again by Sep 9; both mature before Nov 2. | Sep 9 |
| Brussel Sprouts | Mar 6 | Apr 3–Apr 17 | 213 | fits: 100 days to maturity, 213 available after Apr 3. | Jul 11 |
| Butternut Squash | Apr 17 | May 15–May 22 | 129 | fits: 100 days to maturity, 129 available after May 15. | May 30 |
| Eggplant | Mar 13 | May 15–May 22 | 122 | fits: 70 days to maturity, 122 available after May 15. | Jun 22 |
| Okra | Apr 3 | May 8–May 15 | 143 | two-plantings: Plant May 8 and again by Jul 21; both mature before Sep 28. | Jul 21 |
| Basil | Mar 27 | May 22–May 22 | 129 | fits: 60 days to maturity, 129 available after May 22. | Jul 16 |
| Cilantro | — | Apr 3–Apr 24 | 199 | two-plantings: Plant Apr 3 and again by Aug 16; both mature before Oct 19. | Aug 16 |
| Parsley | Feb 20 | May 8–May 15 | 164 | fits: 70 days to maturity, 164 available after May 8. | Jul 27 |
| Celery | Feb 20 | May 8–May 22 | 164 | fits: 120 days to maturity, 164 available after May 8. | Jun 7 |
| Scallions | Feb 20 | Apr 3–Apr 17 | 213 | two-plantings: Plant Apr 3 and again by Aug 20; both mature before Nov 2. | Aug 20 |
| Turnip | — | Apr 3–Apr 17 | 213 | two-plantings: Plant Apr 3 and again by Aug 30; both mature before Nov 2. | Aug 30 |
| Kohlrabi | — | Mar 20–Apr 3 | 227 | two-plantings: Plant Mar 20 and again by Aug 25; both mature before Nov 2. | Aug 25 |
| Bok Choy | Apr 3 | Apr 24–May 1 | 178 | two-plantings: Plant Apr 24 and again by Aug 21; both mature before Oct 19. | Aug 21 |
| Collards | Feb 20 | Apr 3–Apr 17 | 213 | two-plantings: Plant Apr 3 and again by Aug 20; both mature before Nov 2. | Aug 20 |
| Cantaloupe | Apr 17 | May 15–May 22 | 122 | fits: 85 days to maturity, 122 available after May 15. | Jun 7 |
| Chives | Feb 6 | May 8–May 15 | 178 | fits: 90 days to maturity, 178 available after May 8. | — |
| Dill | — | Mar 6–May 29 | 227 | two-plantings: Plant Mar 6 and again by Aug 11; both mature before Oct 19. | Aug 11 |
| Oregano | Feb 20 | May 8–May 15 | 178 | fits: 80 days to maturity, 178 available after May 8. | — |
| Rosemary | Feb 6 | May 8–May 15 | 164 | fits: 80 days to maturity, 164 available after May 8. | — |
| Sage | Mar 6 | May 8–May 15 | 178 | fits: 75 days to maturity, 178 available after May 8. | — |
| Thyme | Feb 20 | May 8–May 15 | 178 | fits: 90 days to maturity, 178 available after May 8. | — |
| Calendula | Mar 20 | Apr 17–May 1 | 185 | two-plantings: Plant Apr 17 and again by Aug 16; both mature before Oct 19. | Aug 16 |
| Cosmos | Apr 3 | May 1–May 15 | 150 | two-plantings: Plant May 1 and again by Jul 16; both mature before Sep 28. | Jul 16 |
| Lavender | Feb 6 | May 1–May 15 | 185 | fits: 90 days to maturity, 185 available after May 1. | — |
| Marigolds | Mar 20 | May 1–May 8 | 150 | two-plantings: Plant May 1 and again by Jul 26; both mature before Sep 28. | Jul 26 |
| Melons | Apr 17 | May 15–May 22 | 122 | fits: 85 days to maturity, 122 available after May 15. | Jun 7 |
| Mint | — | May 1–May 15 | 185 | fits: 90 days to maturity, 185 available after May 1. | — |
| Nasturtiums | Apr 3 | May 1–May 8 | 150 | two-plantings: Plant May 1 and again by Jul 21; both mature before Sep 28. | Jul 21 |
| Pole Beans | — | May 8–May 22 | 143 | fits: 65 days to maturity, 143 available after May 8. | Jul 11 |
| Spaghetti Squash | Apr 17 | May 15–May 22 | 129 | fits: 90 days to maturity, 129 available after May 15. | Jun 9 |
| Sunflowers | — | May 1–May 15 | 150 | fits: 70 days to maturity, 150 available after May 1. | Jul 6 |
| Tomatillos | Mar 6 | May 8–May 15 | 129 | fits: 75 days to maturity, 129 available after May 8. | Jun 17 |
| Watermelon | Apr 17 | May 8–May 15 | 129 | fits: 80 days to maturity, 129 available after May 8. | Jun 12 |
| Yellow Squash | Apr 17 | May 15–May 22 | 136 | two-plantings: Plant May 15 and again by Jul 21; both mature before Sep 28. | Jul 21 |
| Zinnias | Apr 3 | May 1–May 15 | 150 | two-plantings: Plant May 1 and again by Jul 16; both mature before Sep 28. | Jul 16 |
Month by month in Ogden
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 6), Lavender (Feb 6), Onion (Feb 6), Rosemary (Feb 6), Celery (Feb 20), Collards (Feb 20), +5 more. |
| March | Start indoors: Broccoli (Mar 6), Brussel Sprouts (Mar 6), Cabbage (Mar 6), Lettuce (Mar 6), Sage (Mar 6), Swiss Chard (Mar 6), +8 more. Direct sow from: Arugula (Mar 6), Beets (Mar 6), Dill (Mar 6), Peas (Mar 6), Radish (Mar 6), Spinach (Mar 6), +1 more. Plant: Strawberry (Mar 27). |
| April | Start indoors: Bok Choy (Apr 3), Corn (Apr 3), Cosmos (Apr 3), Nasturtiums (Apr 3), Okra (Apr 3), Zinnias (Apr 3), +9 more. Direct sow from: Cilantro (Apr 3), Turnip (Apr 3), Carrots (Apr 10), Potatoes (Apr 17). Transplant from: Broccoli (Apr 3), Brussel Sprouts (Apr 3), Cabbage (Apr 3), Collards (Apr 3), Kale (Apr 3), Lettuce (Apr 3), +6 more. |
| May | Direct sow from: Sunflowers (May 1), Beans (May 8), Pole Beans (May 8). Transplant from: Cosmos (May 1), Lavender (May 1), Marigolds (May 1), Mint (May 1), Nasturtiums (May 1), Zinnias (May 1), +23 more. Last frost around May 1. Last sowing dates: Butternut Squash (May 30), Pumpkin (May 30). |
| June | Last sowing dates: Cantaloupe (Jun 7), Celery (Jun 7), Melons (Jun 7), Spaghetti Squash (Jun 9), Tomato (Jun 12), Watermelon (Jun 12), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 6), Brussel Sprouts (Jul 11), Pole Beans (Jul 11), Basil (Jul 16), Cosmos (Jul 16), Cucumber (Jul 16), +10 more. |
| August | Last sowing dates: Peas (Aug 1), Cabbage (Aug 10), Carrots (Aug 10), Beets (Aug 11), Dill (Aug 11), Swiss Chard (Aug 11), +9 more. |
| September | Last sowing dates: Arugula (Sep 9), Spinach (Sep 9), Radish (Sep 10). |
| October | Direct sow from: Garlic (Oct 12). First frost around October 12. |
| November | Last sowing dates: Garlic (Nov 2). |
| 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 Ogden, UT (ZIP 84405)?
The median last spring frost date for Ogden, UT (ZIP code 84405) is around May 1. 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 8; one in ten it runs past May 20.
What is the first fall frost date in Ogden, UT?
The median first fall frost date for Ogden, UT is around October 12. 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 23 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Ogden, UT?
The frost-free growing season in Ogden is about 164 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 Ogden (164 frost-free days, a moderate season), 31 of 56 planner crops fit outright, 24 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Ogden, UT?
Ogden, UT 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 Ogden, UT?
Start tomatoes indoors Mar 27 and plant out May 15 in Ogden. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Ogden?
Two: plant Apr 3 and again by Aug 21; both mature before Oct 19.
When do I plant garlic in Ogden?
Oct 12 to Nov 2; it overwinters and is ready the following summer.
Nearby and related
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