Frost Dates & Planting Calendar for Elko, NV

Plan your garden around Elko, NV's typical frost-free growing season, using NOAA climate normals and a 42-crop planting calendar built for this location.

Last Spring Frost
May 29
Safe Jun 16 Typical May 29 Risky May 10
First Fall Frost
September 18
Safe Sep 3 Typical Sep 18 Risky Oct 1
Growing Season
111 days
Typical last frost to typical first frost.
USDA Hardiness Zone
Zone 5b
A classic four-season climate with cold winters and a solid summer growing season.
Data: NOAA station ELKO RGNL AP, NV US, 2.2 km away.
days until the typical last spring frost

Monthly Temperatures

Monthly normal temperatures (°F) 10°30°50°70°90° JFMAMJJASOND
Avg. high Avg. temp Avg. low

Planting Calendar

Vegetables
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Tomato Apr 3 – Apr 17 Jun 5 – Jun 12 60–85 days Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.
Pepper Mar 20 – Apr 3 Jun 5 – Jun 19 60–90 days Slow to germinate; start indoors 8-10 weeks before last frost. Transplant only once nights stay above 55F, 1-3 weeks after last frost.
Eggplant Mar 20 – Apr 3 Jun 12 – Jun 19 65–85 days Warm-season crop, similar timing to pepper; needs consistently warm soil (65F+) to transplant.
Cucumber May 1 – May 8 Jun 5 – Jun 12 Jun 5 – Jun 12 50–65 days Can be started indoors 3-4 weeks before transplanting, or direct-sown 1-2 weeks after last frost once soil is warm.
Zucchini May 8 – May 15 Jun 5 – Jun 19 Jun 5 – Jun 12 45–55 days Fast-growing squash; direct sow 1-3 weeks after last frost, or start indoors 2-3 weeks early for a head start.
Winter Squash May 1 – May 8 Jun 5 – Jun 19 Jun 5 – Jun 12 80–110 days Long season; direct sow after soil warms, or start indoors 3-4 weeks before last frost in short-season climates.
Pumpkin Jun 5 – Jun 19 90–120 days Direct sow 1-3 weeks after last frost; back-time from your first fall frost so the 90-120 day maturity window lands before it.
Watermelon May 1 – May 8 Jun 12 – Jun 19 70–90 days Needs warm soil (65F+); start indoors 3-4 weeks before last frost, transplant 2-3 weeks after last frost.
Cantaloupe May 1 – May 8 Jun 12 – Jun 19 70–90 days Same warm-soil requirements as watermelon; avoid disturbing roots when transplanting.
Corn May 29 – Jun 12 60–100 days Direct sow at last frost to 2 weeks after, once soil reaches 60F; does not transplant well. Succession sow every 2 weeks.
Green Bean May 29 – Jun 12 50–65 days Direct sow at last frost to 2 weeks after, once soil has warmed; frost-tender, do not rush.
Pea Apr 17 – May 1 55–70 days Cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Lettuce May 1 – May 15 Jul 24 – Aug 7 45–60 days Cold-hardy; direct sow 2-4 weeks before last frost. Also transplantable from indoor starts.
Spinach Apr 17 – May 1 Jul 24 – Aug 7 40–50 days Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.
Kale May 1 – May 15 Jul 10 – Jul 24 50–65 days Cold-hardy; direct sow 2-4 weeks before last frost or start indoors for earlier transplants.
Arugula May 1 – May 15 Aug 7 – Aug 14 30–40 days Fast-growing, cold-tolerant green; direct sow 2-4 weeks before last frost, succession sow every 2-3 weeks.
Swiss Chard May 8 – May 22 50–60 days Fairly cold-hardy; direct sow 1-3 weeks before last frost. Tolerates light frost in fall too.
Broccoli Apr 10 – Apr 24 May 8 – May 15 Jul 17 – Jul 24 55–80 days Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).
Cauliflower Apr 10 – Apr 24 May 15 – May 22 Jul 10 – Jul 17 55–85 days Fussier than broccoli about temperature swings; start indoors 5-7 weeks before last frost, transplant 1-2 weeks before last frost.
Cabbage Apr 10 – Apr 24 May 1 – May 15 Jul 10 – Jul 24 60–100 days Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.
Brussels Sprouts Apr 10 – Apr 24 May 8 – May 22 90–110 days Long-season crop best timed to mature after a light fall frost for sweetest flavor; start indoors 5-7 weeks before last frost.
Carrot May 1 – May 15 Jun 26 – Jul 10 60–80 days Direct sow only (does not transplant); sow 2-4 weeks before last frost, as soon as soil can be worked.
Beet May 1 – May 15 Jul 10 – Jul 24 50–65 days Direct sow 2-4 weeks before last frost; tolerates light frost.
Radish Apr 24 – May 8 Aug 7 – Aug 21 22–30 days Very fast and cold-hardy; direct sow 3-5 weeks before last frost, as soon as soil can be worked.
Turnip May 1 – May 15 Jul 10 – Jul 24 40–60 days Cold-hardy; direct sow 2-4 weeks before last frost.
Onion Mar 20 – Apr 3 May 1 – May 15 90–120 days Start seeds indoors 8-10 weeks before last frost (or use sets/transplants); set out 2-4 weeks before last frost, very cold-tolerant as seedlings.
Garlic Aug 21 – Sep 4 240–270 days Fall-planted crop only; not planted in spring in most climates.
Potato May 1 – May 15 70–120 days Plant seed potatoes 2-4 weeks before last frost, as soon as soil can be worked and is above 45F; light frost on emerging foliage is usually tolerated.
Sweet Potato Jun 12 – Jun 26 90–120 days Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Asparagus May 1 – May 15 730–1095 days Perennial; plant crowns 2-4 weeks before last frost as soon as soil can be worked. Takes 2-3 years to full production.
Herbs
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Basil Apr 17 – Apr 24 Jun 5 – Jun 12 50–70 days Very frost/cold sensitive; start indoors 5-6 weeks before last frost, transplant only after all danger of frost (1-2 weeks after) and nights stay warm.
Cilantro May 8 – May 22 Jul 24 – Aug 7 45–70 days Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring.
Parsley Apr 3 – Apr 17 May 15 – May 22 70–90 days Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).
Dill May 8 – May 22 40–60 days Taprooted, does not transplant well; direct sow 1-3 weeks before last frost, succession sow through summer.
Oregano Apr 3 – Apr 17 May 29 – Jun 5 80–90 days Perennial herb; start indoors 6-8 weeks before last frost, transplant around/just after last frost date.
Thyme Apr 3 – Apr 17 May 29 – Jun 5 85–95 days Perennial herb, slow from seed; start indoors 6-8 weeks before last frost, transplant around/after last frost.
Flowers
CropStart indoorsDirect sowTransplantFall plantingMaturityNotes
Sunflower Jun 5 – Jun 19 70–100 days Direct sow 1-3 weeks after last frost once soil has warmed; taprooted, resents transplanting.
Zinnia May 1 – May 8 Jun 5 – Jun 19 Jun 5 – Jun 12 60–70 days Frost-tender; direct sow 1-3 weeks after last frost, or start indoors 3-4 weeks early for earlier blooms.
Marigold Apr 17 – May 1 Jun 5 – Jun 12 45–60 days Frost-tender; start indoors 4-6 weeks before last frost, transplant after all frost danger has passed.
Cosmos May 1 – May 8 Jun 5 – Jun 19 Jun 5 – Jun 12 60–90 days Easy from direct seed 1-3 weeks after last frost; can also start indoors 3-4 weeks early.
Nasturtium Jun 5 – Jun 19 50–65 days Frost-tender, resents root disturbance; direct sow 1-3 weeks after last frost once soil has warmed.
Dahlia Jun 5 – Jun 19 90–120 days Plant tubers 1-3 weeks after last frost once soil is warm (60F+); very frost-sensitive.

Date ranges are estimates based on university extension guidelines and this city's NOAA frost normals — not a guarantee. Scroll to see all columns on narrow screens.

Frequently Asked Questions

When is the last frost in Elko, NV?

Based on 1991–2020 NOAA climate normals for the ELKO RGNL AP, NV US station, the last spring frost in Elko typically falls around May 29. A cautious gardener might wait until June 16 (only a 10% chance of a later frost), while May 10 marks an earlier, higher-risk planting date.

When is the first frost in Elko, NV in fall?

The first fall frost in Elko typically arrives around September 18. To stay safe, assume frost could start as early as September 3; in milder years it can hold off until October 1.

How long is the growing season in Elko, NV?

Elko's average frost-free growing season is about 111 days, running from the typical last spring frost (May 29) to the typical first fall frost (September 18).

What USDA hardiness zone is Elko, NV in?

Elko, NV is in USDA plant hardiness zone 5b, per the USDA's 2023 Plant Hardiness Zone Map. A classic four-season climate with cold winters and a solid summer growing season.

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