Helianthus annuus
Common Sunflower
Description
Sunflowers can grow anywhere from 6-15' tall on top of thick, sturdy stems. They have large, dark green leaves with bright yellow flowers with tender petals that bloom spring to summer. The flowers need direct sunlight and a lot of water.
Plant Type
Annual
Height Range
6-12'
Width Range
Flower Color
Gold
Flower Season
Summer
Leaf Color
Green
Bark Color
n/a
Fruit Color
n/a
Fruit Season
Summer
Sun
Full
Water
Medium
Growth Rate
Fast
Soil Type
Sandy, Loam, Rocky
Soil Condition
Average, Rich, Poor, Well-drained, Dry
Soil pH
Neutral
Adverse Factors
n/a
Design Styles
n/a
Accenting Features
Showy Flowers
Seasonal Interest
Summer
Location Uses
Background
Special Uses
n/a
Attracts Wildlife
Birds, Hummingbirds
Water Saving Tip:
Adjust the water pressure of you irrigation system.
Spray sprinklers work best at 30 pounds per square inch (psi), and gear and impact rotor sprinklers at 40-60 psi.