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Growing Marigold in Salt Lake City

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

USDA Zone 4 175 frost-free days 45-50 days to harvest

Quick Answer: Growing Marigold in Salt Lake City

Yes, you can grow Marigold 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 Marigold takes 45-50 days to harvest. Marigold needs full sun and moderate watering.

Climate Match Analysis

Moderate Match Salt Lake City + Marigold

Salt Lake City's climate requires careful timing. Winter lows (-7°C) drop below Marigold's minimum (5°C), so avoid cold months. Follow the recommended planting months for success.

Marigold tolerates 5°C to 35°C
Optimal: 18°C - 28°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

Marigold Planting Calendar for Salt Lake City

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

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

Marigold Growing Requirements

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Sunlight

Full Sun

6+ hours direct sunlight

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Water

Moderate

Keep soil consistently moist

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Days to Harvest

45-50

From planting to first harvest

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Difficulty

easy

Great for beginners

💡 Growing Tips for Marigold

Deadhead spent flowers for continuous bloom. Plant near tomatoes. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

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

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Companion Plants for Marigold

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

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Grow Marigold Indoors

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

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

Marigold thrives in temperatures between 18°C and 28°C, requiring full sun and moderate watering. In Salt Lake City, the best months to plant Marigold are May, June, July, August. Marigold is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 45-50 days after planting.

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

Other Plants That Grow in Salt Lake City

More plants you can grow alongside Marigold in Salt Lake City

Keep Exploring

Frequently Asked Questions

Can I grow marigold in Salt Lake City?

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

When should I plant marigold in Salt Lake City?

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

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

Marigold typically takes 45-50 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 Marigold to maturity. Deadhead spent flowers for continuous bloom. Plant near tomatoes. Wait until soil warms to at least 18°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Can I grow marigold indoors in Salt Lake City?

Marigold 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 moderate watering.

What month do I plant marigold in Salt Lake City?

Plant Marigold 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 marigold hard to grow in Salt Lake City?

Marigold 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 Marigold in Salt Lake City is Moderate.

What grows well with marigold in Salt Lake City?

In Salt Lake City, you can grow many companion plants alongside Marigold. 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 marigold need full sun in Salt Lake City?

Marigold 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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