Close-up of Helianthus maximiliani (Maximilian's Sunflower) in bloom with yellow flower.
Large foliage of Helianthus maximiliani (Maximilian's Sunflower) grown in LP50 size plugs.

Helianthus maximiliani (Maximilian's Sunflower) Unity Grown

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Helianthus maximiliani is a tall, upright, perennial wildflower native to large swathes of the US, noted for its long, narrow foliage and its profuse, airy yellow flowers. Reaching heights of between three feet and ten feet tall, Helianthus maximiliani produces yellow flowers on elongated inflorescences near the top of the stem in the mid to late summer.

Despite its large size, or perhaps because of it, Maximilian's sunflower has become a popular choice for attractive wildlife and birds, as cattle and deer enjoy eating the plant, though the plants can survive this thanks to their large size, and birds and mammals are attracted to its seed in the mid to late fall. Helianthus species are also valuable as food sources and larval host plants for a variety of pollinators and butterflies.

Native to Maryland, Native to U.S., and Straight Species
Mature Plant Height: Very Tall: 73" and up
Sun (6+ hours)
Soil Moisture: Medium to Dry and Well-drained
Soil Type: Average and Wide Tolerance
Bloom Time: Summer
Flower Color: Yellow
Foliage color: Green
Features: Attracts Birds, Attracts Butterflies, Attracts Hummingbirds, Attracts Pollinators, Attracts Wildlife, Host Plant for Butterflies or Moths, and Erosion Control
Tolerances: Black Walnut Tolerant, Clay Soil Tolerant, Deer Tolerant, Rabbit Tolerant, and Drought Tolerant
Garden Type: Pollinator Garden, Meadow, and Small Space

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