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Growing Basil in Salt Lake City

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

USDA Zone 4 175 frost-free days 50-75 days to harvest

Quick Answer: Growing Basil in Salt Lake City

Yes, you can grow Basil 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 easy, and Basil takes 50-75 days to harvest. Basil needs full sun and regular watering.

Climate Match Analysis

Moderate Match Salt Lake City + Basil

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

Basil tolerates 10°C to 35°C
Optimal: 20°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

Basil Planting Calendar for Salt Lake City

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

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

Basil 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

50-75

From planting to first harvest

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Difficulty

easy

Great for beginners

💡 Growing Tips for Basil

Pinch flower buds to encourage leaf growth. Harvest from top down. Wait until soil warms to at least 20°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: Basil is NOT frost tolerant — wait until after the last frost in Salt Lake City.

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Companion Plants for Basil

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

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Grow Basil Indoors

No garden? Learn how to grow Basil indoors with our complete guide

How to Grow Basil 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. Basil is one of the easiest plants to grow in this climate.

Basil thrives in temperatures between 20°C and 30°C, requiring full sun and regular watering. In Salt Lake City, the best months to plant Basil are May, June, July, August. Basil is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 50-75 days after planting.

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

Other Plants That Grow in Salt Lake City

More plants you can grow alongside Basil in Salt Lake City

Keep Exploring

Frequently Asked Questions

Can I grow basil in Salt Lake City?

Yes! Basil 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 Basil here is rated "easy". The best months to plant are May, June, July, August.

When should I plant basil in Salt Lake City?

In Salt Lake City, the recommended planting months for Basil 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 Basil is not frost tolerant, make sure to plant after the last frost date.

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

Basil typically takes 50-75 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 Basil to maturity. Pinch flower buds to encourage leaf growth. Harvest from top down. Wait until soil warms to at least 20°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 basil indoors in Salt Lake City?

Basil 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 basil in Salt Lake City?

Plant Basil 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 basil hard to grow in Salt Lake City?

Basil is rated "easy" to grow in Salt Lake City. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Basil in Salt Lake City is Moderate.

What grows well with basil in Salt Lake City?

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

Does basil need full sun in Salt Lake City?

Basil 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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