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Growing Calendula in Raleigh

🇺🇸 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 225 frost-free days 45-65 days to harvest

Quick Answer: Growing Calendula in Raleigh

Yes, you can grow Calendula in Raleigh, US! Plant during Feb, Mar, Apr, Aug, Sep for best results. Raleigh is in USDA Zone 6 with a Humid subtropical climate, offering 225 frost-free days per year. The difficulty level is easy, and Calendula takes 45-65 days to harvest. Calendula needs full sun and moderate watering.

Climate Match Analysis

Moderate Match Raleigh + Calendula

Raleigh's climate requires careful timing. Summer highs (32°C) exceed Calendula's maximum (28°C), so plant early or provide shade. Follow the recommended planting months for success.

Calendula tolerates -5°C to 28°C
Optimal: 10°C - 22°C
Raleigh range -1°C to 32°C

Raleigh Climate Data

USDA Zone
6
Frost-Free
225days
Winter Low
-1°C
Summer High
32°C
Rainfall
1190mm/yr
Climate
Cfa
Humid subtropical

Calendula Planting Calendar for Raleigh

Green months show the best time to plant Calendula in Raleigh

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

Calendula Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Moderate

Keep soil consistently moist

📅

Days to Harvest

45-65

From planting to first harvest

📊

Difficulty

easy

Great for beginners

💡 Growing Tips for Calendula

Deadhead for continuous blooms. Self-seeds readily. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Frost tolerance: Calendula is frost tolerant — you can plant earlier in spring.

How to Grow Calendula in Raleigh

Raleigh, US is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of -1°C and summer highs of 32°C, the growing season spans approximately 225 frost-free days. Calendula is one of the easiest plants to grow in this climate.

Calendula thrives in temperatures between 10°C and 22°C, requiring full sun and moderate watering. In Raleigh, the best months to plant Calendula are February, March, April, August, September. Since Calendula can tolerate frost, you have flexibility to plant earlier in the season or extend into cooler months. Expect to harvest in approximately 45-65 days after planting.

Raleigh receives 1190mm of annual rainfall, which provides good natural moisture for Calendula. Monitor soil moisture and water as needed.

Other Plants That Grow in Raleigh

More plants you can grow alongside Calendula in Raleigh

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Frequently Asked Questions

Can I grow calendula in Raleigh?

Yes! Calendula can be successfully grown in Raleigh, US. Raleigh is in USDA Hardiness Zone 6 with a Humid subtropical climate. The difficulty level for growing Calendula here is rated "easy". The best months to plant are February, March, April, August, September.

When should I plant calendula in Raleigh?

In Raleigh, the recommended planting months for Calendula are February, March, April, August, September. Raleigh has 225 frost-free days per year, with winter lows of -1°C and summer highs of 32°C. Calendula is frost tolerant, giving you more flexibility with planting dates.

How long does calendula take to grow in Raleigh?

Calendula typically takes 45-65 days from planting to harvest. In Raleigh's Humid subtropical climate with 225 frost-free days, you have plenty of time to grow Calendula to maturity. Deadhead for continuous blooms. Self-seeds readily. Can be planted 2-3 weeks before the last expected frost, giving it a head start on the growing season. Water steadily but avoid soggy soil. A 5-cm layer of organic mulch helps balance moisture and suppress weeds.

Can I grow calendula indoors in Raleigh?

Calendula can potentially be grown indoors in Raleigh 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, Aug, Sep outdoor planting window. Use containers with good drainage and moderate watering.

What month do I plant calendula in Raleigh?

Plant Calendula in Raleigh during February, March, April, August, September. These are the optimal months based on Raleigh's USDA Zone 6 climate, 225 frost-free days, and temperature range of -1°C to 32°C.

Is calendula hard to grow in Raleigh?

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

What grows well with calendula in Raleigh?

In Raleigh, you can grow many companion plants alongside Calendula. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Raleigh's Zone 6 climate.

Does calendula need full sun in Raleigh?

Calendula requires full sun. In Raleigh, 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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