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🥬 Vegetable hard

Growing Corn in Salt Lake City

🇺🇸 Zone 4 Planting Guide · Cold semi-arid climate

USDA Zone 4 175 frost-free days 60-100 days to harvest

Quick Answer: Growing Corn in Salt Lake City

Yes, you can grow Corn in Salt Lake City, US! Plant during May, Jun, Jul, Aug for best results. Salt Lake City is in USDA Zone 4 with a Cold semi-arid climate, offering 175 frost-free days per year. The difficulty level is hard, and Corn takes 60-100 days to harvest. Corn needs full sun and regular watering.

Climate Match Analysis

Moderate Match Salt Lake City + Corn

Salt Lake City's climate requires careful timing. Winter lows (-7°C) drop below Corn's minimum (10°C), so avoid cold months. Follow the recommended planting months for success.

Corn tolerates 10°C to 35°C
Optimal: 18°C - 30°C
Salt Lake City range -7°C to 34°C

Salt Lake City Climate Data

USDA Zone
4
Frost-Free
175days
Winter Low
-7°C
Summer High
34°C
Rainfall
417mm/yr
Climate
BSk
Cold semi-arid

Corn Planting Calendar for Salt Lake City

Green months show the best time to plant Corn in Salt Lake City

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Plant Corn Not recommended

Corn Growing Requirements

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Sunlight

Full Sun

6+ hours direct sunlight

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Water

Regular

Consistent moisture, 1-2 inches/week

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Days to Harvest

60-100

From planting to first harvest

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Difficulty

hard

For experienced growers

💡 Growing Tips for Corn

Minimum 4x4 block for pollination. Heavy feeder -- needs nitrogen-rich soil. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Frost tolerance: Corn is NOT frost tolerant — wait until after the last frost in Salt Lake City.

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Companion Plants for Corn

Find out which plants grow best alongside Corn — and which to keep apart

How to Grow Corn in Salt Lake City

Salt Lake City, US is in USDA Hardiness Zone 4 with a Cold semi-arid climate (Köppen BSk). With winter lows of -7°C and summer highs of 34°C, the growing season spans approximately 175 frost-free days. Corn requires more experience to grow successfully in this climate.

Corn thrives in temperatures between 18°C and 30°C, requiring full sun and regular watering. In Salt Lake City, the best months to plant Corn are May, June, July, August. Corn is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 60-100 days after planting.

Salt Lake City receives only 417mm of annual rainfall, so consistent irrigation will be essential for growing Corn successfully.

Other Plants That Grow in Salt Lake City

More plants you can grow alongside Corn in Salt Lake City

Keep Exploring

Frequently Asked Questions

Can I grow corn in Salt Lake City?

Yes! Corn can be successfully grown in Salt Lake City, US. Salt Lake City is in USDA Hardiness Zone 4 with a Cold semi-arid climate. The difficulty level for growing Corn here is rated "hard". The best months to plant are May, June, July, August.

When should I plant corn in Salt Lake City?

In Salt Lake City, the recommended planting months for Corn are May, June, July, August. Salt Lake City has 175 frost-free days per year, with winter lows of -7°C and summer highs of 34°C. Since Corn is not frost tolerant, make sure to plant after the last frost date.

How long does corn take to grow in Salt Lake City?

Corn typically takes 60-100 days from planting to harvest. In Salt Lake City's Cold semi-arid climate with 175 frost-free days, you have enough time with good planning to grow Corn to maturity. Minimum 4x4 block for pollination. Heavy feeder -- needs nitrogen-rich soil. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Aim for about 2.5 cm of water per week, adjusting for rainfall. Organic mulch around the base helps maintain even moisture.

Can I grow corn indoors in Salt Lake City?

Corn can potentially be grown indoors in Salt Lake City with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the May, Jun, Jul, Aug outdoor planting window. Use containers with good drainage and regular watering.

What month do I plant corn in Salt Lake City?

Plant Corn in Salt Lake City during May, June, July, August. These are the optimal months based on Salt Lake City's USDA Zone 4 climate, 175 frost-free days, and temperature range of -7°C to 34°C.

Is corn hard to grow in Salt Lake City?

Corn is rated "hard" to grow in Salt Lake City. This is challenging in this climate. Experienced growers will have the best success with careful attention to temperature and moisture. The climate match for Corn in Salt Lake City is Moderate.

What grows well with corn in Salt Lake City?

In Salt Lake City, you can grow many companion plants alongside Corn. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Salt Lake City's Zone 4 climate.

Does corn need full sun in Salt Lake City?

Corn requires full sun. In Salt Lake City, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.

Last updated: March 2026 · Climate data from NOAA, FAO, USDA

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