Skip to content
🌻 Flower easy

Growing Sunflower in Brasilia

🇧🇷 Zone 10 Planting Guide · Tropical savanna climate

USDA Zone 10 365 frost-free days 70-100 days to harvest

Quick Answer: Growing Sunflower in Brasilia

Yes, you can grow Sunflower in Brasilia, BR! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec for best results. Brasilia is in USDA Zone 10 with a Tropical savanna climate, offering 365 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

Good Match Brasilia + Sunflower

Brasilia's temperatures (13°C to 28°C) are within the tolerable range for Sunflower (8°C to 35°C), though not always in the optimal zone (18°C to 28°C). Plant during recommended months for best results.

Sunflower tolerates 8°C to 35°C
Optimal: 18°C - 28°C
Brasilia range 13°C to 28°C

Brasilia Climate Data

USDA Zone
10
Frost-Free
365days
Winter Low
13°C
Summer High
28°C
Rainfall
1540mm/yr
Climate
Aw
Tropical savanna

Sunflower Planting Calendar for Brasilia

Green months show the best time to plant Sunflower in Brasilia

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

Sunflower Growing Requirements

☀️

Sunlight

Full Sun

6+ hours direct sunlight

💧

Water

Moderate

Keep soil consistently moist

📅

Days to Harvest

70-100

From planting to first harvest

📊

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 Brasilia.

🤝

Companion Plants for Sunflower

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

🏠

Grow Sunflower Indoors

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

How to Grow Sunflower in Brasilia

Brasilia, BR is in USDA Hardiness Zone 10 with a Tropical savanna climate (Köppen Aw). With winter lows of 13°C and summer highs of 28°C, the growing season spans approximately 365 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 Brasilia, the best months to plant Sunflower are January, February, March, April, May, June, July, August, September, October, November, December. 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.

Brasilia receives 1540mm of annual rainfall, which provides good natural moisture for Sunflower. Monitor soil moisture and water as needed.

Other Plants That Grow in Brasilia

More plants you can grow alongside Sunflower in Brasilia

Keep Exploring

Frequently Asked Questions

Can I grow sunflower in Brasilia?

Yes! Sunflower can be successfully grown in Brasilia, BR. Brasilia is in USDA Hardiness Zone 10 with a Tropical savanna climate. The difficulty level for growing Sunflower here is rated "easy". The best months to plant are January, February, March, April, May, June, July, August, September, October, November, December.

When should I plant sunflower in Brasilia?

In Brasilia, the recommended planting months for Sunflower are January, February, March, April, May, June, July, August, September, October, November, December. Brasilia has 365 frost-free days per year, with winter lows of 13°C and summer highs of 28°C. Since Sunflower is not frost tolerant, make sure to plant after the last frost date.

How long does sunflower take to grow in Brasilia?

Sunflower typically takes 70-100 days from planting to harvest. In Brasilia's Tropical savanna climate with 365 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 Brasilia?

Sunflower can potentially be grown indoors in Brasilia 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 Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec outdoor planting window. Use containers with good drainage and moderate watering.

What month do I plant sunflower in Brasilia?

Plant Sunflower in Brasilia during January, February, March, April, May, June, July, August, September, October, November, December. These are the optimal months based on Brasilia's USDA Zone 10 climate, 365 frost-free days, and temperature range of 13°C to 28°C.

Is sunflower hard to grow in Brasilia?

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

What grows well with sunflower in Brasilia?

In Brasilia, 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 Brasilia's Zone 10 climate.

Does sunflower need full sun in Brasilia?

Sunflower requires full sun. In Brasilia, 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

See an error? Report it