Helianthus annuus, or Sunflower, is a fast-growing annual herb with large, bright yellow flower heads. It is cultivated for edible seeds, oil, and as an ornamental.
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Sunlight
Requires at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
Watering
Keep soil consistently moist but not waterlogged, especially during flowering.
Soil
Well-draining, fertile loam.
Temperature
Thrives in warm temperatures, ideally between 18-30 °C. Protect from frost.
Habitat
Outdoor
Fertilizer
Fertilize moderately with a balanced fertilizer during the growing season, especially in poor soils.
Requires at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
Keep soil consistently moist but not waterlogged, especially during flowering.
Well-draining, fertile loam.
Thrives in warm temperatures, ideally between 18-30 °C. Protect from frost.
Outdoor
Fertilize moderately with a balanced fertilizer during the growing season, especially in poor soils.
Plant Type
Herb
Plant Category
Flowering, Ornamental, Vegetable
Plant Place Type
Ground, Garden, Pot
Plant Environment
Outdoor
Lifespan
Annuals
Plant Height
1-3 m
Spread
0.3-1 m
Growth Rate
Fast
Leaf Color
Green
Leaf Type
Ovate to heart-shaped
Flower Size
10-30 cm
Optimal Sunlight Lux
75000
Toxic for humans
No
Rating: 0/5
Toxic for pets
No
Rating: 0/5
Edible
Yes
Non-toxic to humans and pets.
