Ontario Wildflowers website

Maximilian Sunflower
Helianthus maximilianii

Maximilian Sunflower (Helianthus maximilianii) Family: Composite Family (Asteraceae)

Group: Sunflowers

Flowers: Summer;  Yellow;  7 or more parts (petals)

Leaves: Alternate, Simple

Habitat: Fields and Open Areas

Native/Non-native: Non-native

Notes: This is a garden escapee, which is sometimes found growing wild.

Photographs: 40 photographs available, of which 9 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Maximilian Sunflower (Helianthus maximilianii)

Maximilian Sunflower are not native. They are in fact escaped garden plants.

Maximilian Sunflower (Helianthus maximilianii)

Each stem displays multiple flowers.

Maximilian Sunflower (Helianthus maximilianii)

Closeup view of the yellow flower.

Maximilian Sunflower (Helianthus maximilianii)

Maximilian Sunflower (Helianthus maximilianii)

An entire Maximilian Sunflower plant. They're very tall, easily reaching 6-7 feet.

Maximilian Sunflower (Helianthus maximilianii)

Stem.

Maximilian Sunflower (Helianthus maximilianii)

Another view of the stem and leaves. Note that the leaves are narrow and folded into a V-shape along the midrib.

Maximilian Sunflower (Helianthus maximilianii)

A small clump of Maximilian Sunflowers.

Maximilian Sunflower (Helianthus maximilianii)

A nice patch alongside a countryside highway.