Frost Dates for Sparks, NV 89441
Sparks has 5 ZIP codes. The Sparks, NV frost page lists all of them with their dates.
Last spring frost May 21 · First fall frost October 11 · 143 frost-free days · USDA Zone 7b
ZIP 89441 has about 14,500 people, one of 5 ZIP codes in Sparks.
Moderate season: 143 frost-free days. Spring frost risk spans April 29–June 10 (42 days). Fall frost risk spans September 18–November 3 (46 days).
Frost probability for 89441
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | June 10 | May 21 | April 29 |
| Fall (first frost) | September 18 | October 11 | November 3 |
Dates come from NOAA 1971–2000 freeze probabilities at RENO AP (20.5 km away); the 50% date is the median year.
Which crops fit a 143-day season in Sparks
In Sparks (143 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Apr 16 | Jun 4–Jun 11 | 101 | fits: 80 days to maturity, 101 available after Jun 4. | Jun 11 |
| Pepper | Apr 9 | Jun 4–Jun 11 | 101 | fits: 75 days to maturity, 101 available after Jun 4. | Jun 16 |
| Lettuce | Mar 26 | Apr 23–Apr 30 | 178 | two-plantings: Plant Apr 23 and again by Aug 20; both mature before Oct 18. | Aug 20 |
| Carrots | — | Apr 30–May 7 | 185 | fits: 70 days to maturity, 185 available after Apr 30. | Aug 9 |
| Cucumber | Apr 30 | Jun 4–Jun 11 | 115 | fits: 60 days to maturity, 115 available after Jun 4. | Jul 15 |
| Beans | — | May 28–Jun 11 | 129 | fits: 60 days to maturity, 129 available after May 28. | Jul 22 |
| Peas | — | Mar 26–Jun 4 | 206 | fits: 65 days to maturity, 206 available after Mar 26. | Jul 31 |
| Zucchini | May 7 | Jun 4–Jun 11 | 115 | fits: 55 days to maturity, 115 available after Jun 4. | Jul 20 |
| Onion | Feb 26 | Apr 23–May 7 | 178 | fits: 100 days to maturity, 178 available after Apr 23. | — |
| Spinach | — | Mar 26–May 14 | 220 | two-plantings: Plant Mar 26 and again by Sep 8; both mature before Nov 1. | Sep 8 |
| Kale | Mar 12 | Apr 23–May 7 | 192 | two-plantings: Plant Apr 23 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Broccoli | Mar 26 | Apr 23–May 7 | 178 | fits: 80 days to maturity, 178 available after Apr 23. | Jul 16 |
| Cabbage | Mar 26 | Apr 23–May 7 | 192 | fits: 70 days to maturity, 192 available after Apr 23. | Aug 9 |
| Radish | — | Mar 26–Jun 18 | 206 | two-plantings: Plant Mar 26 and again by Sep 9; both mature before Oct 18. | Sep 9 |
| Beets | — | Mar 26–Jun 18 | 206 | two-plantings: Plant Mar 26 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Potatoes | — | May 7–May 14 | 164 | fits: 90 days to maturity, 164 available after May 7. | — |
| Garlic | — | Oct 11 | 248 | overwinter: Plant Oct 11 to Nov 1; harvest the following summer. | Nov 1 |
| Strawberry | — | Apr 16–Jun 11 | 199 | perennial: A perennial: plant Apr 16; it fruits from the following year and keeps producing for several years. | — |
| Corn | Apr 23 | May 28–Jun 4 | 115 | fits: 75 days to maturity, 115 available after May 28. | Jun 23 |
| Pumpkin | May 7 | Jun 4–Jun 4 | 108 | fits: 100 days to maturity, 108 available after Jun 4. | — |
| Cauliflower | Apr 9 | May 14–May 28 | 157 | fits: 75 days to maturity, 157 available after May 14. | Jul 21 |
| Swiss Chard | Mar 26 | May 7–May 7 | 164 | two-plantings: Plant May 7 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Arugula | — | Mar 26–Jun 18 | 220 | two-plantings: Plant Mar 26 and again by Sep 8; both mature before Nov 1. | Sep 8 |
| Brussel Sprouts | Mar 26 | Apr 23–May 7 | 192 | fits: 100 days to maturity, 192 available after Apr 23. | Jul 10 |
| Butternut Squash | May 7 | Jun 4–Jun 11 | 108 | fits: 100 days to maturity, 108 available after Jun 4. | — |
| Eggplant | Apr 2 | Jun 4–Jun 11 | 101 | fits: 70 days to maturity, 101 available after Jun 4. | Jun 21 |
| Okra | Apr 23 | May 28–Jun 4 | 122 | fits: 55 days to maturity, 122 available after May 28. | Jul 20 |
| Basil | Apr 16 | Jun 11–Jun 11 | 108 | fits: 60 days to maturity, 108 available after Jun 11. | Jul 15 |
| Cilantro | — | Apr 23–May 14 | 178 | two-plantings: Plant Apr 23 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Parsley | Mar 12 | May 28–Jun 4 | 143 | fits: 70 days to maturity, 143 available after May 28. | Jul 26 |
| Celery | Mar 12 | May 28–Jun 11 | 143 | fits: 120 days to maturity, 143 available after May 28. | Jun 6 |
| Scallions | Mar 12 | Apr 23–May 7 | 192 | two-plantings: Plant Apr 23 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Turnip | — | Apr 23–May 7 | 192 | two-plantings: Plant Apr 23 and again by Aug 29; both mature before Nov 1. | Aug 29 |
| Kohlrabi | — | Apr 9–Apr 23 | 206 | two-plantings: Plant Apr 9 and again by Aug 24; both mature before Nov 1. | Aug 24 |
| Bok Choy | Apr 23 | May 14–May 21 | 157 | two-plantings: Plant May 14 and again by Aug 20; both mature before Oct 18. | Aug 20 |
| Collards | Mar 12 | Apr 23–May 7 | 192 | two-plantings: Plant Apr 23 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Cantaloupe | May 7 | Jun 4–Jun 11 | 101 | fits: 85 days to maturity, 101 available after Jun 4. | Jun 6 |
| Chives | Feb 26 | May 28–Jun 4 | 157 | fits: 90 days to maturity, 157 available after May 28. | — |
| Dill | — | Mar 26–Jun 18 | 206 | two-plantings: Plant Mar 26 and again by Aug 10; both mature before Oct 18. | Aug 10 |
| Oregano | Mar 12 | May 28–Jun 4 | 157 | fits: 80 days to maturity, 157 available after May 28. | — |
| Rosemary | Feb 26 | May 28–Jun 4 | 143 | fits: 80 days to maturity, 143 available after May 28. | — |
| Sage | Mar 26 | May 28–Jun 4 | 157 | fits: 75 days to maturity, 157 available after May 28. | — |
| Thyme | Mar 12 | May 28–Jun 4 | 157 | fits: 90 days to maturity, 157 available after May 28. | — |
| Calendula | Apr 9 | May 7–May 21 | 164 | two-plantings: Plant May 7 and again by Aug 15; both mature before Oct 18. | Aug 15 |
| Cosmos | Apr 23 | May 21–Jun 4 | 129 | fits: 60 days to maturity, 129 available after May 21. | Jul 15 |
| Lavender | Feb 26 | May 21–Jun 4 | 164 | fits: 90 days to maturity, 164 available after May 21. | — |
| Marigolds | Apr 9 | May 21–May 28 | 129 | two-plantings: Plant May 21 and again by Jul 25; both mature before Sep 27. | Jul 25 |
| Melons | May 7 | Jun 4–Jun 11 | 101 | fits: 85 days to maturity, 101 available after Jun 4. | Jun 6 |
| Mint | — | May 21–Jun 4 | 164 | fits: 90 days to maturity, 164 available after May 21. | — |
| Nasturtiums | Apr 23 | May 21–May 28 | 129 | two-plantings: Plant May 21 and again by Jul 20; both mature before Sep 27. | Jul 20 |
| Pole Beans | — | May 28–Jun 11 | 122 | fits: 65 days to maturity, 122 available after May 28. | Jul 10 |
| Spaghetti Squash | May 7 | Jun 4–Jun 11 | 108 | fits: 90 days to maturity, 108 available after Jun 4. | Jun 8 |
| Sunflowers | — | May 21–Jun 4 | 129 | fits: 70 days to maturity, 129 available after May 21. | Jul 5 |
| Tomatillos | Mar 26 | May 28–Jun 4 | 108 | fits: 75 days to maturity, 108 available after May 28. | Jun 16 |
| Watermelon | May 7 | May 28–Jun 4 | 108 | fits: 80 days to maturity, 108 available after May 28. | Jun 11 |
| Yellow Squash | May 7 | Jun 4–Jun 11 | 115 | fits: 55 days to maturity, 115 available after Jun 4. | Jul 20 |
| Zinnias | Apr 23 | May 21–Jun 4 | 129 | fits: 60 days to maturity, 129 available after May 21. | Jul 15 |
Month by month in Sparks
| Month | What to do |
|---|---|
| January | Plan your garden layout and order seeds. Research varieties suited to your frost dates. |
| February | Start indoors: Chives (Feb 26), Lavender (Feb 26), Onion (Feb 26), Rosemary (Feb 26). |
| March | Start indoors: Celery (Mar 12), Collards (Mar 12), Kale (Mar 12), Oregano (Mar 12), Parsley (Mar 12), Scallions (Mar 12), +8 more. Direct sow from: Arugula (Mar 26), Beets (Mar 26), Dill (Mar 26), Peas (Mar 26), Radish (Mar 26), Spinach (Mar 26). |
| April | Start indoors: Eggplant (Apr 2), Calendula (Apr 9), Cauliflower (Apr 9), Marigolds (Apr 9), Pepper (Apr 9), Basil (Apr 16), +8 more. Direct sow from: Kohlrabi (Apr 9), Cilantro (Apr 23), Turnip (Apr 23), Carrots (Apr 30). Transplant from: Broccoli (Apr 23), Brussel Sprouts (Apr 23), Cabbage (Apr 23), Collards (Apr 23), Kale (Apr 23), Lettuce (Apr 23), +2 more. Plant: Strawberry (Apr 16). |
| May | Start indoors: Butternut Squash (May 7), Cantaloupe (May 7), Melons (May 7), Pumpkin (May 7), Spaghetti Squash (May 7), Watermelon (May 7), +2 more. Direct sow from: Potatoes (May 7), Sunflowers (May 21), Beans (May 28), Pole Beans (May 28). Transplant from: Calendula (May 7), Swiss Chard (May 7), Bok Choy (May 14), Cauliflower (May 14), Cosmos (May 21), Lavender (May 21), +15 more. Last frost around May 21. |
| June | Transplant from: Butternut Squash (Jun 4), Cantaloupe (Jun 4), Cucumber (Jun 4), Eggplant (Jun 4), Melons (Jun 4), Pepper (Jun 4), +6 more. Last sowing dates: Cantaloupe (Jun 6), Celery (Jun 6), Melons (Jun 6), Spaghetti Squash (Jun 8), Tomato (Jun 11), Watermelon (Jun 11), +4 more. |
| July | Last sowing dates: Sunflowers (Jul 5), Brussel Sprouts (Jul 10), Pole Beans (Jul 10), Basil (Jul 15), Cosmos (Jul 15), Cucumber (Jul 15), +11 more. |
| August | Last sowing dates: Cabbage (Aug 9), Carrots (Aug 9), Beets (Aug 10), Dill (Aug 10), Swiss Chard (Aug 10), Calendula (Aug 15), +8 more. |
| September | Last sowing dates: Arugula (Sep 8), Spinach (Sep 8), Radish (Sep 9). |
| October | Direct sow from: Garlic (Oct 11). First frost around October 11. |
| November | Last sowing dates: Garlic (Nov 1). |
| 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 Sparks, NV (ZIP 89441)?
The median last spring frost date for Sparks, NV (ZIP code 89441) is around May 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. One year in ten frost ends before April 29; one in ten it runs past June 10.
What is the first fall frost date in Sparks, NV?
The median first fall frost date for Sparks, NV is around October 11. 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 18 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Sparks, NV?
The frost-free growing season in Sparks is about 143 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 Sparks (143 frost-free days, a moderate season), 38 of 56 planner crops fit outright, 17 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Sparks, NV?
Sparks, NV 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 Sparks, NV?
Start tomatoes indoors Apr 16 and plant out Jun 4 in Sparks. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Sparks?
Two: plant Apr 23 and again by Aug 20; both mature before Oct 18.
When do I plant garlic in Sparks?
Oct 11 to Nov 1; it overwinters and is ready the following summer.
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