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Growing Sunflower in Dalian

🇨🇳 Zone 4 Planting Guide · Hot-summer continental (dry winter) climate

USDA Zone 4 200 frost-free days 70-100 days to harvest

Quick Answer: Growing Sunflower in Dalian

Yes, you can grow Sunflower in Dalian, CN! Plant during Apr, May, Jun, Jul for best results. Dalian is in USDA Zone 4 with a Hot-summer continental (dry winter) climate, offering 200 frost-free days per year. The difficulty level is easy, and Sunflower takes 70-100 days to harvest. Sunflower needs full sun and moderate watering.

Climate Match Analysis

Moderate Match Dalian + Sunflower

Dalian's climate requires careful timing. Winter lows (-6°C) drop below Sunflower's minimum (8°C), so avoid cold months. Follow the recommended planting months for success.

Sunflower tolerates 8°C to 35°C
Optimal: 18°C - 28°C
Dalian range -6°C to 27°C

Dalian Climate Data

USDA Zone
4
Frost-Free
200days
Winter Low
-6°C
Summer High
27°C
Rainfall
613mm/yr
Climate
Dwa
Hot-summer continental (dry winter)

Sunflower Planting Calendar for Dalian

Green months show the best time to plant Sunflower in Dalian

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

Sunflower 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

70-100

From planting to first harvest

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Difficulty

easy

Great for beginners

💡 Growing Tips for Sunflower

Sow directly -- taproots don't transplant well. Great for kids to grow. 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: Sunflower is NOT frost tolerant — wait until after the last frost in Dalian.

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Companion Plants for Sunflower

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

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Grow Sunflower Indoors

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

How to Grow Sunflower in Dalian

Dalian, CN is in USDA Hardiness Zone 4 with a Hot-summer continental (dry winter) climate (Köppen Dwa). With winter lows of -6°C and summer highs of 27°C, the growing season spans approximately 200 frost-free days. Sunflower is one of the easiest plants to grow in this climate.

Sunflower thrives in temperatures between 18°C and 28°C, requiring full sun and moderate watering. In Dalian, the best months to plant Sunflower are April, May, June, July. Sunflower is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 70-100 days after planting.

With 613mm of annual rainfall, Dalian provides moderate natural moisture. This should be adequate for Sunflower's water needs.

Other Plants That Grow in Dalian

More plants you can grow alongside Sunflower in Dalian

Keep Exploring

Frequently Asked Questions

Can I grow sunflower in Dalian?

Yes! Sunflower can be successfully grown in Dalian, CN. Dalian is in USDA Hardiness Zone 4 with a Hot-summer continental (dry winter) climate. The difficulty level for growing Sunflower here is rated "easy". The best months to plant are April, May, June, July.

When should I plant sunflower in Dalian?

In Dalian, the recommended planting months for Sunflower are April, May, June, July. Dalian has 200 frost-free days per year, with winter lows of -6°C and summer highs of 27°C. Since Sunflower is not frost tolerant, make sure to plant after the last frost date.

How long does sunflower take to grow in Dalian?

Sunflower typically takes 70-100 days from planting to harvest. In Dalian's Hot-summer continental (dry winter) climate with 200 frost-free days, you have plenty of time to grow Sunflower to maturity. Sow directly -- taproots don't transplant well. Great for kids to grow. 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 sunflower indoors in Dalian?

Sunflower can potentially be grown indoors in Dalian 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 Apr, May, Jun, Jul outdoor planting window. Use containers with good drainage and moderate watering.

What month do I plant sunflower in Dalian?

Plant Sunflower in Dalian during April, May, June, July. These are the optimal months based on Dalian's USDA Zone 4 climate, 200 frost-free days, and temperature range of -6°C to 27°C.

Is sunflower hard to grow in Dalian?

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

What grows well with sunflower in Dalian?

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

Does sunflower need full sun in Dalian?

Sunflower requires full sun. In Dalian, 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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