Frost Dates for Sparks, NV 89434

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 89434 has about 28,000 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 89434

Frost10%50%90%
Spring (last frost)June 10May 21April 29
Fall (first frost)September 18October 11November 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.

CropStart indoorsPlant out / sowDays you haveVerdictLast sow date
TomatoApr 16Jun 4–Jun 11101fits: 80 days to maturity, 101 available after Jun 4.Jun 11
PepperApr 9Jun 4–Jun 11101fits: 75 days to maturity, 101 available after Jun 4.Jun 16
LettuceMar 26Apr 23–Apr 30178two-plantings: Plant Apr 23 and again by Aug 20; both mature before Oct 18.Aug 20
Carrots—Apr 30–May 7185fits: 70 days to maturity, 185 available after Apr 30.Aug 9
CucumberApr 30Jun 4–Jun 11115fits: 60 days to maturity, 115 available after Jun 4.Jul 15
Beans—May 28–Jun 11129fits: 60 days to maturity, 129 available after May 28.Jul 22
Peas—Mar 26–Jun 4206fits: 65 days to maturity, 206 available after Mar 26.Jul 31
ZucchiniMay 7Jun 4–Jun 11115fits: 55 days to maturity, 115 available after Jun 4.Jul 20
OnionFeb 26Apr 23–May 7178fits: 100 days to maturity, 178 available after Apr 23.—
Spinach—Mar 26–May 14220two-plantings: Plant Mar 26 and again by Sep 8; both mature before Nov 1.Sep 8
KaleMar 12Apr 23–May 7192two-plantings: Plant Apr 23 and again by Aug 24; both mature before Nov 1.Aug 24
BroccoliMar 26Apr 23–May 7178fits: 80 days to maturity, 178 available after Apr 23.Jul 16
CabbageMar 26Apr 23–May 7192fits: 70 days to maturity, 192 available after Apr 23.Aug 9
Radish—Mar 26–Jun 18206two-plantings: Plant Mar 26 and again by Sep 9; both mature before Oct 18.Sep 9
Beets—Mar 26–Jun 18206two-plantings: Plant Mar 26 and again by Aug 10; both mature before Oct 18.Aug 10
Potatoes—May 7–May 14164fits: 90 days to maturity, 164 available after May 7.—
Garlic—Oct 11248overwinter: Plant Oct 11 to Nov 1; harvest the following summer.Nov 1
Strawberry—Apr 16–Jun 11199perennial: A perennial: plant Apr 16; it fruits from the following year and keeps producing for several years.—
CornApr 23May 28–Jun 4115fits: 75 days to maturity, 115 available after May 28.Jun 23
PumpkinMay 7Jun 4–Jun 4108fits: 100 days to maturity, 108 available after Jun 4.—
CauliflowerApr 9May 14–May 28157fits: 75 days to maturity, 157 available after May 14.Jul 21
Swiss ChardMar 26May 7–May 7164two-plantings: Plant May 7 and again by Aug 10; both mature before Oct 18.Aug 10
Arugula—Mar 26–Jun 18220two-plantings: Plant Mar 26 and again by Sep 8; both mature before Nov 1.Sep 8
Brussel SproutsMar 26Apr 23–May 7192fits: 100 days to maturity, 192 available after Apr 23.Jul 10
Butternut SquashMay 7Jun 4–Jun 11108fits: 100 days to maturity, 108 available after Jun 4.—
EggplantApr 2Jun 4–Jun 11101fits: 70 days to maturity, 101 available after Jun 4.Jun 21
OkraApr 23May 28–Jun 4122fits: 55 days to maturity, 122 available after May 28.Jul 20
BasilApr 16Jun 11–Jun 11108fits: 60 days to maturity, 108 available after Jun 11.Jul 15
Cilantro—Apr 23–May 14178two-plantings: Plant Apr 23 and again by Aug 15; both mature before Oct 18.Aug 15
ParsleyMar 12May 28–Jun 4143fits: 70 days to maturity, 143 available after May 28.Jul 26
CeleryMar 12May 28–Jun 11143fits: 120 days to maturity, 143 available after May 28.Jun 6
ScallionsMar 12Apr 23–May 7192two-plantings: Plant Apr 23 and again by Aug 19; both mature before Nov 1.Aug 19
Turnip—Apr 23–May 7192two-plantings: Plant Apr 23 and again by Aug 29; both mature before Nov 1.Aug 29
Kohlrabi—Apr 9–Apr 23206two-plantings: Plant Apr 9 and again by Aug 24; both mature before Nov 1.Aug 24
Bok ChoyApr 23May 14–May 21157two-plantings: Plant May 14 and again by Aug 20; both mature before Oct 18.Aug 20
CollardsMar 12Apr 23–May 7192two-plantings: Plant Apr 23 and again by Aug 19; both mature before Nov 1.Aug 19
CantaloupeMay 7Jun 4–Jun 11101fits: 85 days to maturity, 101 available after Jun 4.Jun 6
ChivesFeb 26May 28–Jun 4157fits: 90 days to maturity, 157 available after May 28.—
Dill—Mar 26–Jun 18206two-plantings: Plant Mar 26 and again by Aug 10; both mature before Oct 18.Aug 10
OreganoMar 12May 28–Jun 4157fits: 80 days to maturity, 157 available after May 28.—
RosemaryFeb 26May 28–Jun 4143fits: 80 days to maturity, 143 available after May 28.—
SageMar 26May 28–Jun 4157fits: 75 days to maturity, 157 available after May 28.—
ThymeMar 12May 28–Jun 4157fits: 90 days to maturity, 157 available after May 28.—
CalendulaApr 9May 7–May 21164two-plantings: Plant May 7 and again by Aug 15; both mature before Oct 18.Aug 15
CosmosApr 23May 21–Jun 4129fits: 60 days to maturity, 129 available after May 21.Jul 15
LavenderFeb 26May 21–Jun 4164fits: 90 days to maturity, 164 available after May 21.—
MarigoldsApr 9May 21–May 28129two-plantings: Plant May 21 and again by Jul 25; both mature before Sep 27.Jul 25
MelonsMay 7Jun 4–Jun 11101fits: 85 days to maturity, 101 available after Jun 4.Jun 6
Mint—May 21–Jun 4164fits: 90 days to maturity, 164 available after May 21.—
NasturtiumsApr 23May 21–May 28129two-plantings: Plant May 21 and again by Jul 20; both mature before Sep 27.Jul 20
Pole Beans—May 28–Jun 11122fits: 65 days to maturity, 122 available after May 28.Jul 10
Spaghetti SquashMay 7Jun 4–Jun 11108fits: 90 days to maturity, 108 available after Jun 4.Jun 8
Sunflowers—May 21–Jun 4129fits: 70 days to maturity, 129 available after May 21.Jul 5
TomatillosMar 26May 28–Jun 4108fits: 75 days to maturity, 108 available after May 28.Jun 16
WatermelonMay 7May 28–Jun 4108fits: 80 days to maturity, 108 available after May 28.Jun 11
Yellow SquashMay 7Jun 4–Jun 11115fits: 55 days to maturity, 115 available after Jun 4.Jul 20
ZinniasApr 23May 21–Jun 4129fits: 60 days to maturity, 129 available after May 21.Jul 15

Month by month in Sparks

MonthWhat to do
JanuaryPlan your garden layout and order seeds. Research varieties suited to your frost dates.
FebruaryStart indoors: Chives (Feb 26), Lavender (Feb 26), Onion (Feb 26), Rosemary (Feb 26).
MarchStart 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).
AprilStart 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).
MayStart 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.
JuneTransplant 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.
JulyLast sowing dates: Sunflowers (Jul 5), Brussel Sprouts (Jul 10), Pole Beans (Jul 10), Basil (Jul 15), Cosmos (Jul 15), Cucumber (Jul 15), +11 more.
AugustLast sowing dates: Cabbage (Aug 9), Carrots (Aug 9), Beets (Aug 10), Dill (Aug 10), Swiss Chard (Aug 10), Calendula (Aug 15), +8 more.
SeptemberLast sowing dates: Arugula (Sep 8), Spinach (Sep 8), Radish (Sep 9).
OctoberDirect sow from: Garlic (Oct 11). First frost around October 11.
NovemberLast sowing dates: Garlic (Nov 1).
DecemberClean 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 89434)?

The median last spring frost date for Sparks, NV (ZIP code 89434) 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.

Which nearby ZIP has a longer season?

Silver Springs (ZIP 89429) has 151 frost-free days, 8 more than Sparks (ZIP 89434). See Silver Springs ZIP 89429 frost dates

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