Sunflower
Helianthus annuus
Asteraceae · Annual
Sunflowers are iconic, stately annuals known for their large, sunny yellow blooms that track the sun. They provide both beauty to the garden and seeds for birds and humans.
- · Plant in full sun and well-drained, fertile soil.
- · Provide support for taller varieties to prevent wind damage.
- · Water regularly, especially during dry spells and flowering.
At a glance
- Growing zones: 2-11
- Sun: Full sun
- Water: Moderate
- Maintenance: Low
- Type: Annual
- Mature size: 3-10 ft tall · 1-3 ft wide
- Bloom season: Summer to fall · Yellow, orange, red, brown
- Pollinator friendly: Yes
- Container suitable: Best in ground
- Cold tolerance: Tender
- Heat tolerance: Excellent
- Soil: Well-drained, fertile soil
- Growth rate: Fast
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