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Helianthus annuus
Common Sunflower
Information by: Jerry Sortomme Editor Photographer: Linda Engstrom
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.
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
Water Saving Tip:
Adjust your irrigation controller frequently as weather changes. Plants need much less water in spring and fall than during mid-summer.
Call the Lawn Watering Infoline at 541-774-2460 for up-to-date sprinkling times.