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This map shows the precipitation suitability of this crop in the state of Illinois.
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Helianthus maximilianii
Synonyms:

Common Name(s): Maximilian sunflower
Family: Asteraceae
Growth Habit: Perennial
Invasiveness:
Growing Days: 145
Temperature:
Precipitation: 18 to 28 (in.)
Winter Minimum: -13° (F)
Soil pH: 6 to 8
Soil Texture/Type: All; sand, loam, clay
Soil Drainage: Well
Photoperiod Response:
Light Intensity:
Comments:
Requires moist soil. Can be invasive. Good drought, but low salinity tolerance.
Diseases:
Pythium, Rust, Cercospora, Powdery Mildew
Uses:
Animal Food - birdseed, Environ. - ornamental, Animal Food - forage
Woodiness:

Climate:

Geographical Origin:
Cultivated, Naturalized, North America, USA
 
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Last Modified: March 15, 2021
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