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Helianthus maximilianii
Maximilian's Sunflower

$25.00 $30.00
This size 5 in stock Product ID: 575663

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CULTURAL CONDITIONS

Plant Min Zone: 4a

Plant Max Zone: 9a

Sunlight: Full Sun

Water / Rainfall: Low, Average

Soil Quality: Poor, Average

FLOWERS AND FOLIAGE

Bloom Season: Late Summer, Fall

Flower Color: Yellow, Gold

Berry / Fruit Color: Brown-Beige

Spring Foliage Color: Green

Summer Foliage Color: Green

Fall Foliage Color: Green

Evergreen Foliage: No

Winter Interest: No

Scented Flowers: No

PLANT TOLERANCES

Drought Tolerance: Medium, High

Wet-Feet Tolerance: Medium, High

Humidity Tolerance: Medium, High

Wind Tolerance: Medium, High

Poor Soil Tolerance: Rocky Soils, Sandy Soils

GROWTH AND MAINTENANCE

Height: 4' - 8'

Width: 3' - 5'

Growth Rate: Medium, Fast

Service Life: Long: 5-10 years

Maintenance Need: High

Spreading Potential: Medium

Yearly Trimming Tips: Trim Perennial to Ground Around First Fall Freeze: No Winter Interest.

PLANT USES AND LIMITATIONS

Plant Grouping Size: Small Grouping of 3-5

Best Side of House: South Exposure, West Exposure, East Exposure

Extreme Planting Locations: Resistant to Rabbits

Ornamental Features: Long Blooming Season

Special Landscape Uses: Naturalizing

Possible Pest Problems: None

Plant Limitations: Aggressive Rhizomes / Runners, May Needs Staking, Needs Frequent Pruning / Trimming

Description

Maximilian's Sunflower is a very tall and showy wildflower native to the Great Plains in central North America and Canada. It has a distinctive fold down the mid-rib center of the narrow leaf. The leaf may be up to 12" long, slightly curved, and arranged in a whorl around the unbranching stems. In rich soils with average moisture, it reaches up to 10 feet tall and towers above surrounding vegetation when in bloom. In Eastern Kansas, typically our 40 inches of rainfall is sufficient without extra water. It is best suited for full sun and dry to medium soils to control height and to avoid floppiness. Like most other Sunflower species, Maximilian's Sunflower attracts a several different species of bees and butterflies. This species spreads by rhizomes and may spread too vigorously for most gardens, and therefore needs plenty of room. It is best used for naturalizing, roadway ditch plantings, buffer zones, or as as large isolated clumps. Cut or mow all foliage down in the winter, mowing around it during the growing season generally stops the yearly spread.

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