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Maximilian sunflower

Helianthus maximiliani

Perennial sunflower

Helianthus maximiliani is a herbaceous perennial that produces beautiful yellow flowers in late Summer and Autumn creating a wall of yellow. Though the flowers are not as showy as some of the annual Helianthus, its repeat performance every year is great to behold. Unlike many of the other perennial Helianthus, Helianthus maximiliani will grow as tall as the annuals getting as high as 3 meters tall. This sunflower was named after the German Prince Maximilian of Wied-Neuweid who discovered it during an expedition through North America.

Planning

Difficulty
Moderate
Flowering time
Summer, Autumn

Harvesting

This plant is not generally harvested but can make nice cut flowers.

Propagation

Seed
Sow in Spring approximatly 3mm deep in seed trays. They should take 3-4 weeks to germinate. Once large eenough to handle transplant to 9cm pots and keep frost free. Plants will need to be acclimatised to outdoor conditions before they can be planted out into soil.

Special features

Geography

Origin
North America

Environment

Light
Full Sun
Soil moisture
Dry
Soil type
Chalk, Clay, Loam, Sand
Soil PH preference
Neutral, Alkaline, Acid
Frost hardiness
Hardy

Uses

Edible
Eaten by some Native American groups as a food similar to Jerusalem artichoke

Personality

Family
Asteraceae
Flower colour
Yellow
Scent
None

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