Flowers
Sunflower: How to Plant and Grow Tall, Sun-Tracking Blooms
Helianthus annuus
Growing sunflowers: annual plant with large yellow blooms that follow the sun. Easy from seed, fast growth, great in pots or garden beds.
Characteristics
Scientific nameHelianthus annuus
Height1-3 m
Sunlightfull sun
Waterhigh
SoilDeep fertile soil
Toxicitynon toxic
Growthfast
Temperature15-30 °C
FloweringJul, Aug, Sep
IrrigationWater generously 2-3 times a week in summer, especially during the hottest months.
The sunflower is an annual plant with large yellow flower heads that famously follow the sun. It grows quickly from seed in full sun and deep soil, reaching up to 3 metres tall. The mature seeds are edible and loved by birds.
Flowering season
JanFebMarAprMayJunJulAugSepOctNovDec
Practical tips
Watering
Water needs: high — always check soil moisture before watering.
Position
Prefers full sun: provide the right light and rotate the plant for even growth.
Substrate
Recommended soil: Deep fertile soil. Refresh the substrate every 1-2 years.
Leaves
Dust the leaves with a damp cloth to support photosynthesis.
Feeding
Feed during the growing season (spring-summer) and stop in winter.
FAQ
When should I plant sunflower seeds?
Sow sunflowers directly in the ground from April to June, once soil temperature is steadily above 10 °C.
How tall do sunflowers grow?
Tall varieties reach 3 metres in just 90-120 days, while dwarf varieties stay between 50 and 80 centimetres.
