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Sunflower
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Helianthus annuus · Asteraceae

Sunflower

✅ Pet-friendlyAnnual life cycle, germinates in spring and blooms in summer.100 to 300 cm
Full sunMediumEasySensitive to frost, should be protected in temperatures below 0 degrees Celsius.

Description & origin

The sunflower is an annual plant known for its large yellow flowers that follow the sun. It is easy to grow and widely appreciated in gardens and fields.

Size

Can reach significant heights, so should be planted in areas with space.

Foliage

Leaves are large and green, providing good shade.

Flowering

Blooms in summer, attracting pollinators.

Detailed care

Light

Prefers full sun, at least 6 hours of direct light per day.

Soil

Well-drained soil rich in organic matter.

Watering

Water moderately, keeping the soil slightly moist but not waterlogged.

Temperature

Prefers temperatures between 20 and 30 degrees Celsius.

Fertilising

Fertilize with a balanced fertilizer every 4-6 weeks during the growing season.

Repotting

Transplant carefully, avoiding root damage.

Pruning

Pruning is not necessary, but removing wilted flowers can help appearance.

Propagation

Easily propagated by seeds, which can be sown directly into the soil.

Common problems

Pests

Can be affected by aphids and caterpillars, which can damage the leaves.

Fungal diseases

Sensitive to diseases like downy mildew, especially in excessive humidity.

Stem breakage

Stems can break in strong winds, especially if not supported.

Uses & curiosities

In the garden

  • Ideal for flower beds
  • Attracts pollinators like bees and butterflies
  • Used in floral arrangements

Other uses

Seeds are edible and can be used in snacks or oils.

Did you know…

Sunflowers can grow up to three meters tall, and their seeds are rich in oil and nutrients. They are also an important food source for birds.