Frost Dates for Glendale, CA 91208
Glendale has 9 ZIP codes. The Glendale, CA frost page lists all of them with their dates.
Last spring frost January 21 · First fall frost November 17 · 300 frost-free days · USDA Zone 10a
ZIP 91208 has about 16,000 people, one of 9 ZIP codes in Glendale.
Very long season: 300 frost-free days.
Frost probability for 91208
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 17 | January 21 | — |
| Fall (first frost) | November 20 | November 17 | — |
Dates come from NOAA 1971–2000 freeze probabilities at BURBANK VALLEY PUMP PLT (10.1 km away); the 50% date is the median year.
Which crops fit a 300-day season in Glendale
In Glendale (300 frost-free days, a very 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 | Dec 17 | Feb 4–Feb 11 | 258 | fits: 80 days to maturity, 258 available after Feb 4. | Jul 18 |
| Pepper | Dec 10 | Feb 4–Feb 11 | 258 | fits: 75 days to maturity, 258 available after Feb 4. | Jul 23 |
| Lettuce | Nov 26 | Dec 24–Dec 31 | 335 | two-plantings: Plant Dec 24 and again by Sep 26; both mature before Nov 24. | Sep 26 |
| Carrots | — | Dec 31–Jan 7 | 342 | fits: 70 days to maturity, 342 available after Dec 31. | Sep 15 |
| Cucumber | Dec 31 | Feb 4–Feb 11 | 272 | two-plantings: Plant Feb 4 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Beans | — | Jan 28–Feb 11 | 286 | two-plantings: Plant Jan 28 and again by Aug 28; both mature before Nov 10. | Aug 28 |
| Peas | — | Nov 26–Feb 4 | 363 | fits: 65 days to maturity, 363 available after Nov 26. | Sep 6 |
| Zucchini | Jan 7 | Feb 4–Feb 11 | 272 | two-plantings: Plant Feb 4 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Onion | Oct 29 | Dec 24–Jan 7 | 335 | fits: 100 days to maturity, 335 available after Dec 24. | — |
| Spinach | — | Nov 26–Jan 14 | 377 | two-plantings: Plant Nov 26 and again by Oct 15; both mature before Dec 8. | Oct 15 |
| Kale | Nov 12 | Dec 24–Jan 7 | 349 | two-plantings: Plant Dec 24 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Broccoli | Nov 26 | Dec 24–Jan 7 | 335 | fits: 80 days to maturity, 335 available after Dec 24. | Aug 22 |
| Cabbage | Nov 26 | Dec 24–Jan 7 | 349 | fits: 70 days to maturity, 349 available after Dec 24. | Sep 15 |
| Radish | — | Nov 26–Feb 18 | 363 | two-plantings: Plant Nov 26 and again by Oct 16; both mature before Nov 24. | Oct 16 |
| Beets | — | Nov 26–Feb 18 | 363 | two-plantings: Plant Nov 26 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Potatoes | — | Jan 7–Jan 14 | 321 | fits: 90 days to maturity, 321 available after Jan 7. | — |
| Garlic | — | Nov 17 | 405 | overwinter: Plant Nov 17 to Dec 8; harvest the following summer. | Dec 8 |
| Strawberry | — | Dec 17–Feb 11 | 356 | perennial: A perennial: plant Dec 17; it fruits from the following year and keeps producing for several years. | — |
| Corn | Dec 24 | Jan 28–Feb 4 | 272 | fits: 75 days to maturity, 272 available after Jan 28. | Jul 30 |
| Pumpkin | Jan 7 | Feb 4–Feb 4 | 265 | fits: 100 days to maturity, 265 available after Feb 4. | Jul 5 |
| Cauliflower | Dec 10 | Jan 14–Jan 28 | 314 | fits: 75 days to maturity, 314 available after Jan 14. | Aug 27 |
| Swiss Chard | Nov 26 | Jan 7–Jan 7 | 321 | two-plantings: Plant Jan 7 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Arugula | — | Nov 26–Feb 18 | 377 | two-plantings: Plant Nov 26 and again by Oct 15; both mature before Dec 8. | Oct 15 |
| Brussel Sprouts | Nov 26 | Dec 24–Jan 7 | 349 | fits: 100 days to maturity, 349 available after Dec 24. | Aug 16 |
| Butternut Squash | Jan 7 | Feb 4–Feb 11 | 265 | fits: 100 days to maturity, 265 available after Feb 4. | Jul 5 |
| Eggplant | Dec 3 | Feb 4–Feb 11 | 258 | fits: 70 days to maturity, 258 available after Feb 4. | Jul 28 |
| Okra | Dec 24 | Jan 28–Feb 4 | 279 | two-plantings: Plant Jan 28 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Basil | Dec 17 | Feb 11–Feb 11 | 265 | two-plantings: Plant Feb 11 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Cilantro | — | Dec 24–Jan 14 | 335 | two-plantings: Plant Dec 24 and again by Sep 21; both mature before Nov 24. | Sep 21 |
| Parsley | Nov 12 | Jan 28–Feb 4 | 300 | fits: 70 days to maturity, 300 available after Jan 28. | Sep 1 |
| Celery | Nov 12 | Jan 28–Feb 11 | 300 | fits: 120 days to maturity, 300 available after Jan 28. | Jul 13 |
| Scallions | Nov 12 | Dec 24–Jan 7 | 349 | two-plantings: Plant Dec 24 and again by Sep 25; both mature before Dec 8. | Sep 25 |
| Turnip | — | Dec 24–Jan 7 | 349 | two-plantings: Plant Dec 24 and again by Oct 5; both mature before Dec 8. | Oct 5 |
| Kohlrabi | — | Dec 10–Dec 24 | 363 | two-plantings: Plant Dec 10 and again by Sep 30; both mature before Dec 8. | Sep 30 |
| Bok Choy | Dec 24 | Jan 14–Jan 21 | 314 | two-plantings: Plant Jan 14 and again by Sep 26; both mature before Nov 24. | Sep 26 |
| Collards | Nov 12 | Dec 24–Jan 7 | 349 | two-plantings: Plant Dec 24 and again by Sep 25; both mature before Dec 8. | Sep 25 |
| Cantaloupe | Jan 7 | Feb 4–Feb 11 | 258 | fits: 85 days to maturity, 258 available after Feb 4. | Jul 13 |
| Chives | Oct 29 | Jan 28–Feb 4 | 314 | fits: 90 days to maturity, 314 available after Jan 28. | — |
| Dill | — | Nov 26–Feb 18 | 363 | two-plantings: Plant Nov 26 and again by Sep 16; both mature before Nov 24. | Sep 16 |
| Oregano | Nov 12 | Jan 28–Feb 4 | 314 | fits: 80 days to maturity, 314 available after Jan 28. | — |
| Rosemary | Oct 29 | Jan 28–Feb 4 | 300 | fits: 80 days to maturity, 300 available after Jan 28. | — |
| Sage | Nov 26 | Jan 28–Feb 4 | 314 | fits: 75 days to maturity, 314 available after Jan 28. | — |
| Thyme | Nov 12 | Jan 28–Feb 4 | 314 | fits: 90 days to maturity, 314 available after Jan 28. | — |
| Calendula | Dec 10 | Jan 7–Jan 21 | 321 | two-plantings: Plant Jan 7 and again by Sep 21; both mature before Nov 24. | Sep 21 |
| Cosmos | Dec 24 | Jan 21–Feb 4 | 286 | two-plantings: Plant Jan 21 and again by Aug 21; both mature before Nov 3. | Aug 21 |
| Lavender | Oct 29 | Jan 21–Feb 4 | 321 | fits: 90 days to maturity, 321 available after Jan 21. | — |
| Marigolds | Dec 10 | Jan 21–Jan 28 | 286 | two-plantings: Plant Jan 21 and again by Aug 31; both mature before Nov 3. | Aug 31 |
| Melons | Jan 7 | Feb 4–Feb 11 | 258 | fits: 85 days to maturity, 258 available after Feb 4. | Jul 13 |
| Mint | — | Jan 21–Feb 4 | 321 | fits: 90 days to maturity, 321 available after Jan 21. | — |
| Nasturtiums | Dec 24 | Jan 21–Jan 28 | 286 | two-plantings: Plant Jan 21 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Pole Beans | — | Jan 28–Feb 11 | 279 | fits: 65 days to maturity, 279 available after Jan 28. | Aug 16 |
| Spaghetti Squash | Jan 7 | Feb 4–Feb 11 | 265 | fits: 90 days to maturity, 265 available after Feb 4. | Jul 15 |
| Sunflowers | — | Jan 21–Feb 4 | 286 | fits: 70 days to maturity, 286 available after Jan 21. | Aug 11 |
| Tomatillos | Nov 26 | Jan 28–Feb 4 | 265 | fits: 75 days to maturity, 265 available after Jan 28. | Jul 23 |
| Watermelon | Jan 7 | Jan 28–Feb 4 | 265 | fits: 80 days to maturity, 265 available after Jan 28. | Jul 18 |
| Yellow Squash | Jan 7 | Feb 4–Feb 11 | 272 | two-plantings: Plant Feb 4 and again by Aug 26; both mature before Nov 3. | Aug 26 |
| Zinnias | Dec 24 | Jan 21–Feb 4 | 286 | two-plantings: Plant Jan 21 and again by Aug 21; both mature before Nov 3. | Aug 21 |
Month by month in Glendale
| Month | What to do |
|---|---|
| January | Start indoors: Butternut Squash (Jan 7), Cantaloupe (Jan 7), Melons (Jan 7), Pumpkin (Jan 7), Spaghetti Squash (Jan 7), Watermelon (Jan 7), +2 more. Direct sow from: Potatoes (Jan 7), Sunflowers (Jan 21), Beans (Jan 28), Pole Beans (Jan 28). Transplant from: Calendula (Jan 7), Swiss Chard (Jan 7), Bok Choy (Jan 14), Cauliflower (Jan 14), Cosmos (Jan 21), Lavender (Jan 21), +15 more. Last frost around January 21. |
| February | Transplant from: Butternut Squash (Feb 4), Cantaloupe (Feb 4), Cucumber (Feb 4), Eggplant (Feb 4), Melons (Feb 4), Pepper (Feb 4), +6 more. |
| March | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| April | Harvest regularly to encourage production. Monitor for pests and disease. |
| May | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| June | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| July | Last sowing dates: Butternut Squash (Jul 5), Pumpkin (Jul 5), Cantaloupe (Jul 13), Celery (Jul 13), Melons (Jul 13), Spaghetti Squash (Jul 15), +6 more. |
| August | Last sowing dates: Sunflowers (Aug 11), Brussel Sprouts (Aug 16), Pole Beans (Aug 16), Basil (Aug 21), Cosmos (Aug 21), Cucumber (Aug 21), +9 more. |
| September | Last sowing dates: Parsley (Sep 1), Peas (Sep 6), Cabbage (Sep 15), Carrots (Sep 15), Beets (Sep 16), Dill (Sep 16), +9 more. |
| October | Start indoors: Chives (Oct 29), Lavender (Oct 29), Onion (Oct 29), Rosemary (Oct 29). Last sowing dates: Turnip (Oct 5), Arugula (Oct 15), Spinach (Oct 15), Radish (Oct 16). |
| November | Start indoors: Celery (Nov 12), Collards (Nov 12), Kale (Nov 12), Oregano (Nov 12), Parsley (Nov 12), Scallions (Nov 12), +8 more. Direct sow from: Garlic (Nov 17), Arugula (Nov 26), Beets (Nov 26), Dill (Nov 26), Peas (Nov 26), Radish (Nov 26), +1 more. First frost around November 17. |
| December | Start indoors: Eggplant (Dec 3), Calendula (Dec 10), Cauliflower (Dec 10), Marigolds (Dec 10), Pepper (Dec 10), Basil (Dec 17), +8 more. Direct sow from: Kohlrabi (Dec 10), Cilantro (Dec 24), Turnip (Dec 24), Carrots (Dec 31). Transplant from: Broccoli (Dec 24), Brussel Sprouts (Dec 24), Cabbage (Dec 24), Collards (Dec 24), Kale (Dec 24), Lettuce (Dec 24), +2 more. Plant: Strawberry (Dec 17). Last sowing dates: Garlic (Dec 8). |
Frequently Asked Questions
What is the last frost date for Glendale, CA (ZIP 91208)?
The median last spring frost date for Glendale, CA (ZIP code 91208) is around January 21. 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.
What is the first fall frost date in Glendale, CA?
The median first fall frost date for Glendale, CA is around November 17. 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 November 20 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Glendale, CA?
The frost-free growing season in Glendale is about 300 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 Glendale (300 frost-free days, a very long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Glendale, CA?
Glendale, CA is in USDA hardiness zone 10a (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 Glendale, CA?
Start tomatoes indoors Dec 17 and plant out Feb 4 in Glendale. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Glendale?
Two: plant Dec 24 and again by Sep 26; both mature before Nov 24.
When do I plant garlic in Glendale?
Nov 17 to Dec 8; it overwinters and is ready the following summer.
Can I get two tomato crops in Glendale?
Yes: plant out Feb 4 for a summer crop, and set out a second round of transplants by Jul 18 for a fall crop.
Which nearby ZIP has a longer season?
Glendale (ZIP 91205) has 365 frost-free days, 65 more than Glendale (ZIP 91208). See Glendale ZIP 91205 frost dates
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