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Growing Marigold in Jacksonville

🇺🇸 Zone 8 Planting Guide · Humid subtropical climate

USDA Zone 8 290 frost-free days 45-50 days to harvest

Quick Answer: Growing Marigold in Jacksonville

Yes, you can grow Marigold in Jacksonville, US! Plant during Feb, Mar, Apr, May for best results. Jacksonville is in USDA Zone 8 with a Humid subtropical climate, offering 290 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

Good Match Jacksonville + Marigold

Jacksonville's temperatures (5°C to 33°C) are within the tolerable range for Marigold (5°C to 35°C), though not always in the optimal zone (18°C to 28°C). Plant during recommended months for best results.

Marigold tolerates 5°C to 35°C
Optimal: 18°C - 28°C
Jacksonville range 5°C to 33°C

Jacksonville Climate Data

USDA Zone
8
Frost-Free
290days
Winter Low
5°C
Summer High
33°C
Rainfall
1319mm/yr
Climate
Cfa
Humid subtropical

Marigold Planting Calendar for Jacksonville

Green months show the best time to plant Marigold in Jacksonville

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 Jacksonville.

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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 Jacksonville

Jacksonville, US is in USDA Hardiness Zone 8 with a Humid subtropical climate (Köppen Cfa). With winter lows of 5°C and summer highs of 33°C, the growing season spans approximately 290 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 Jacksonville, the best months to plant Marigold are February, March, April, May. 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.

Jacksonville receives 1319mm of annual rainfall, which provides good natural moisture for Marigold. Monitor soil moisture and water as needed.

Other Plants That Grow in Jacksonville

More plants you can grow alongside Marigold in Jacksonville

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Frequently Asked Questions

Can I grow marigold in Jacksonville?

Yes! Marigold can be successfully grown in Jacksonville, US. Jacksonville is in USDA Hardiness Zone 8 with a Humid subtropical climate. The difficulty level for growing Marigold here is rated "easy". The best months to plant are February, March, April, May.

When should I plant marigold in Jacksonville?

In Jacksonville, the recommended planting months for Marigold are February, March, April, May. Jacksonville has 290 frost-free days per year, with winter lows of 5°C and summer highs of 33°C. Since Marigold is not frost tolerant, make sure to plant after the last frost date.

How long does marigold take to grow in Jacksonville?

Marigold typically takes 45-50 days from planting to harvest. In Jacksonville's Humid subtropical climate with 290 frost-free days, you have plenty of time 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 Jacksonville?

Marigold can potentially be grown indoors in Jacksonville 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 Feb, Mar, Apr, May outdoor planting window. Use containers with good drainage and moderate watering.

What month do I plant marigold in Jacksonville?

Plant Marigold in Jacksonville during February, March, April, May. These are the optimal months based on Jacksonville's USDA Zone 8 climate, 290 frost-free days, and temperature range of 5°C to 33°C.

Is marigold hard to grow in Jacksonville?

Marigold is rated "easy" to grow in Jacksonville. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Marigold in Jacksonville is Good.

What grows well with marigold in Jacksonville?

In Jacksonville, 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 Jacksonville's Zone 8 climate.

Does marigold need full sun in Jacksonville?

Marigold requires full sun. In Jacksonville, 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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