Maximilian’s Sunflower

Botanical Name: Helianthus maximiliani

Height: about 2 m

Season of bloom: late September and October

Growing Conditions: Full sun. Ordinary, well-drained garden soil.

Wildlife benefits: Very late flowers are much appreciated by many pollinators. Nutritious seeds are eaten by many small birds.

From Ottawa Valley or eastern Ontario sources: No. Native to the Canadian prairies but considered adventitious with agriculture as far east as Quebec.

Remarks: Leans towards the sun, if not given full sun.

Similar species: Tall Sunflower

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