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Growing Sunflower in Little Rock

🇺🇸 Zone 6 Planting Guide · Humid subtropical climate

USDA Zone 6 230 frost-free days 70-100 days to harvest

Quick Answer: Growing Sunflower in Little Rock

Yes, you can grow Sunflower in Little Rock, US! Plant during Apr, May, Jun, Jul for best results. Little Rock is in USDA Zone 6 with a Humid subtropical climate, offering 230 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 Little Rock + Sunflower

Little Rock's climate requires careful timing. Winter lows (-1°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
Little Rock range -1°C to 34°C

Little Rock Climate Data

USDA Zone
6
Frost-Free
230days
Winter Low
-1°C
Summer High
34°C
Rainfall
1244mm/yr
Climate
Cfa
Humid subtropical

Sunflower Planting Calendar for Little Rock

Green months show the best time to plant Sunflower in Little Rock

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 Little Rock.

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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 Little Rock

Little Rock, US is in USDA Hardiness Zone 6 with a Humid subtropical climate (Köppen Cfa). With winter lows of -1°C and summer highs of 34°C, the growing season spans approximately 230 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 Little Rock, 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.

Little Rock receives 1244mm of annual rainfall, which provides good natural moisture for Sunflower. Monitor soil moisture and water as needed.

Other Plants That Grow in Little Rock

More plants you can grow alongside Sunflower in Little Rock

Keep Exploring

Frequently Asked Questions

Can I grow sunflower in Little Rock?

Yes! Sunflower can be successfully grown in Little Rock, US. Little Rock is in USDA Hardiness Zone 6 with a Humid subtropical 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 Little Rock?

In Little Rock, the recommended planting months for Sunflower are April, May, June, July. Little Rock has 230 frost-free days per year, with winter lows of -1°C and summer highs of 34°C. Since Sunflower is not frost tolerant, make sure to plant after the last frost date.

How long does sunflower take to grow in Little Rock?

Sunflower typically takes 70-100 days from planting to harvest. In Little Rock's Humid subtropical climate with 230 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 Little Rock?

Sunflower can potentially be grown indoors in Little Rock 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 Little Rock?

Plant Sunflower in Little Rock during April, May, June, July. These are the optimal months based on Little Rock's USDA Zone 6 climate, 230 frost-free days, and temperature range of -1°C to 34°C.

Is sunflower hard to grow in Little Rock?

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

What grows well with sunflower in Little Rock?

In Little Rock, 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 Little Rock's Zone 6 climate.

Does sunflower need full sun in Little Rock?

Sunflower requires full sun. In Little Rock, 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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