Helianthus maximilianii

Maximilian Sunflower

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Coarse plant with hairy stems and serrated leaves. In midsummer to fall many flowers bloom in a tall, narrow cluster near the top of each plant. Each flower is about four inches in diameter with 10-25 petals. Found on exposed, rocky slopes and dry to moist prairies.

Additional Information:

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Height
-9 Feet

Spread
18-24 Inches

Bloom/Seasonal Color
Deep Yellow

USDA Hardiness Zone 4-6

Home Owner Growing and Maintenance Tips:

Good Companions

Big Bluestem (Andropogon gerardi), Plains Coreopsis (Coreopsis tinctoria), Rattlesnake Master (Eryngium yuccifolium), Prairie Blazing Star (Liatris pycnostachya), Gray-head Coneflower (Ratibida pinnata), Ironweed (Vernonia fasciculata)

Characteristics & Attributes

Critter Resistance

•	Deer Resistant

Hydrologic Designation

•

UPL

Nature Attracting

•

Songbird

Root

•

Rhizomes

Season of Interest

•	Late (July-frost)

Soil Moisture

•

Average

Sun Exposure

•

Full Sun

USFS MO Ecological Map

•	Central Dissected Till Plain
•	Ozark Highlands
•	Osage Plains

Wildlife Benefit

•	Butterfly Nectar
•	Food/Birds