Helianthus maximilianii

Maximilian Sunflower

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.

Height 9 Feet

Spread 18-24 Inches

Bloom/Seasonal Color Deep Yellow

USDA Hardiness Zone 4-6

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