Emily Scherer

Annual Sunflower

Helianthus annuus

Plant type:

Forb

Lifecycle:

Annual

Growing season:

Cover:

Low

Soil

Acceptable soil conditions:

Clay,

Loam,

Silt,

Sand

Soil Conditions:

Acidic

CaCO3 tolerant

Salt

Location

Min elevation:

100

Max elevation:

7000

Counties:

Carson City,

Churchill,

Clark,

Elko,

Eureka,

Humboldt,

Lander,

Lincoln,

Mineral,

Nye,

Pershing,

Washoe,

White Pine

Reproduction & Growth

Growth rate:

High

Germination overall:

Germination rate:

Fast

Reproduction:

High

Establishment:

Lifespan:

Short

Survival:

Low

Ecological

Best suited for these site conditions:

Disturbance

Riparian

Best suited for these management goals:

Drought resilience

Pollinator habitat

Wildlife habitat

Additional Information

Warning:

tends to be weedy

Commercial availability:

Commonly available

Citations:

Horn 2003, Rawson 1982; USDA 2025.