Growing Sunflower in Kolkata
🇮🇳 Zone 10 Planting Guide · Tropical savanna climate
Quick Answer: Growing Sunflower in Kolkata
Yes, you can grow Sunflower in Kolkata, IN! Plant during Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec for best results. Kolkata 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
Kolkata's climate requires careful timing. Summer highs (36°C) exceed Sunflower's maximum (35°C), so plant early or provide shade. Follow the recommended planting months for success.
Kolkata Climate Data
Sunflower Planting Calendar for Kolkata
Green months show the best time to plant Sunflower in Kolkata
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
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 Kolkata.
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 Kolkata
Kolkata, IN is in USDA Hardiness Zone 10 with a Tropical savanna climate (Köppen Aw). With winter lows of 13°C and summer highs of 36°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 Kolkata, 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.
Kolkata receives 1582mm of annual rainfall, which provides good natural moisture for Sunflower. Monitor soil moisture and water as needed.
Other Plants That Grow in Kolkata
More plants you can grow alongside Sunflower in Kolkata
Keep Exploring
Frequently Asked Questions
Can I grow sunflower in Kolkata?
Yes! Sunflower can be successfully grown in Kolkata, IN. Kolkata 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 Kolkata?
In Kolkata, the recommended planting months for Sunflower are January, February, March, April, May, June, July, August, September, October, November, December. Kolkata has 365 frost-free days per year, with winter lows of 13°C and summer highs of 36°C. Since Sunflower is not frost tolerant, make sure to plant after the last frost date.
How long does sunflower take to grow in Kolkata?
Sunflower typically takes 70-100 days from planting to harvest. In Kolkata'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 Kolkata?
Sunflower can potentially be grown indoors in Kolkata 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 Kolkata?
Plant Sunflower in Kolkata during January, February, March, April, May, June, July, August, September, October, November, December. These are the optimal months based on Kolkata's USDA Zone 10 climate, 365 frost-free days, and temperature range of 13°C to 36°C.
Is sunflower hard to grow in Kolkata?
Sunflower is rated "easy" to grow in Kolkata. This is a great choice for beginners — it is forgiving and adapts well to this climate. The climate match for Sunflower in Kolkata is Moderate.
What grows well with sunflower in Kolkata?
In Kolkata, 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 Kolkata's Zone 10 climate.
Does sunflower need full sun in Kolkata?
Sunflower requires full sun. In Kolkata, provide at least 6 hours of direct sunlight daily. During peak summer heat, some afternoon shade can help prevent heat stress.