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Helianthus maximilianii

Helianthus maximilianii
Common name Maximillian sunflower
Family asteraceae
Life cycle perennial
Flowers yellow, late summer into fall
Size 7 ft
Light full sun
Cultural notes ordinary garden soil

Maximillian sunflower

Dozens of showy 3" sunflowers blooming September until frost. This is a large plant, reaching shrub-like proportions by late summer. It has a tendency to splay open when it gets top-heavy with flowers, with flowering stems flopping over this way and that. While that was a bit of a liability with its original placement in the middle of a large border, it actually makes for a serendipitously charming display in combination with the stream coming down from our waterfall.

This plant used to grow in our garden, but it slipped away...

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Seed-starting details for this plant

  1. Seed from '00 garden. Baggy 35F (6w) - 70F (8w; 58%G, starting 2w)
  2. Seed from older trade. Baggy 70F (no G, 11d)

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