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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:
Turn sprinklers on and view them operating at least once a month.
Check for and fix missing drip emitters, leaking sprinklers, valves, and pipes. One broken spray sprinkler can waste 100 gallons in a 10 minute watering cycle.