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Helianthus annuus · Asteraceae

Sunflower

✅ Pet-friendlyAnnual, completes its life cycle in one year.100 to 300 cm
Full sunModerate wateringEasyDoes not tolerate temperatures below 5 degrees Celsius.

Description & origin

The sunflower is an annual plant known for its large, showy flowers. It is often grown in gardens for its beauty and edible seeds. Its ability to follow the sun is a fascinating trait.

Size

Can reach up to 300 cm in height under ideal conditions.

Foliage

Deciduous foliage, loses leaves after flowering.

Flowering

Blooms in summer with large yellow flowers.

Detailed care

Light

Requires full sun for healthy growth.

Soil

Prefers well-drained soil rich in organic matter.

Watering

Moderate watering, avoiding waterlogging.

Temperature

Sensitive to cold, prefers temperatures above 10 degrees Celsius.

Fertilising

Fertilize monthly during the growing season.

Repotting

Transplant carefully to avoid root damage.

Pruning

Does not require regular pruning, only removal of wilted flowers.

Propagation

Easily propagated by seeds.

Common problems

Mildew

Fungal disease causing spots on leaves.

Aphids

Insects that suck sap and can weaken the plant.

Root rot

Caused by excess water and poor drainage.

Uses & curiosities

In the garden

  • Attracts pollinators
  • Seed production
  • Decorative element

Other uses

Seeds are used for oil production and as food.

Did you know…

Sunflowers can grow up to three meters tall in ideal conditions. Their seeds are a rich source of oil and nutrients.