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Helianthus maximiliani Maximilian sunflower

Previous scientific name(s): Helianthus dalyi

Full sunlight; moderate drought tolerance. Aggressive perennial wildflower native to central U.S. plains states. Produces showy, yellow ray flowers from midsummer to fall. Common on deep or heavy soils. Rhizomatous, very competitive in mixes.

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Species Attributes

Height:

36 - 60 in.

Life Form:

Perennial

Native or Introduced:

Native

Season:

Sun & Shade Tolerance:

granite seed sun and shade tolerance icon

Elevation:

ft.

Precipitation:

Low

Soil Texture
Coarse:

Marginal

Moderately Coarse:

Average

Medium:

Best

Moderately Fine:

Best

Fine:

Marginal

Soil pH
Acidic:

Not Adapted

Neutral:

Best

Basic:

Not Adapted

Seeding Rate:

4 - 8 PLS lbs/Acre

Pure Seed per Bushel:

38.10 lbs.

Seeds per Pound:

225,000

Germination Time:

Days

Blooming Season:

Summer Fall

Mycorrhizal Dependent:

Yes

Bloom Color:

Yellow

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