Maximilian sunflower is a hardy perennial wildflower native to the Great Plains tall grass prairies, now a favorite for naturalized landscapes and pollinator gardens across zones 4-9. Rising 3 to 10 feet tall depending on growing conditions, it produces clusters of cheerful 2 to 3-inch yellow daisy-like blooms from August into September, each flower featuring sunny golden rays and darker yellow center disks. This drought-tolerant native handles poor sandy soils, clays, and dry conditions with ease, blooming reliably 120-140 days from seed without fussy care or staking in most gardens.
24
Full Sun
Moderate
4-9
120in H x 48in W
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Moderate
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Maximilian sunflower thrives in the toughest garden spots where other plants struggle, rewarding poor soil and drought with waves of golden blooms that feed bees, butterflies, and birds. Its tall, slender stems naturally branch into an elegant elongated form that looks equally at home backing a perennial border or naturalized across a prairie restoration. Hardy and self-seeding in favorable conditions, it handles the full range of soil textures from sandy loam to heavy clay, making it genuinely low-maintenance once established.
Maximilian sunflower shines in naturalized plantings where its tall, branching habit and prolonged late-season bloom create visual interest and wildlife support. It anchors the back of perennial borders, softens fence lines, and screens unsightly structures while attracting butterflies, bees, and seed-eating birds throughout fall. In prairie restorations and wildflower meadows, it plays an ecological role, providing nectar and pollen during late summer and fall when other flowers fade. Its drought tolerance and clay-soil resilience make it invaluable for rain gardens, dry slopes, and low-maintenance landscapes where conventional plants demand coddling.
No timeline data available yet for this variety.
Start seeds indoors 6-8 weeks before the last spring frost. Sow seeds directly on moist seed-starting mix and barely press them in, as they need light to germinate. Keep soil temperature between 50-85°F, and expect germination in 7-14 days. Provide bright, indirect light once seedlings emerge.
Harden off seedlings over 7-10 days by gradually exposing them to outdoor conditions. Transplant after the last frost date when soil has warmed and seedlings have 2-3 true leaves. Space transplants 24 inches apart in full sun.
Direct sow seeds in spring after the last frost, pressing them lightly into soil. Sow in clusters spaced 24 inches apart, then thin seedlings to the strongest plant once they develop true leaves.
Maximilian sunflower requires minimal pruning. Allow plants to branch naturally into their characteristic bush form. Deadheading spent flowers will encourage continued blooming through fall, though leaving seed heads intact supports wildlife and allows self-seeding if desired. In late fall or early spring, cut back dead stems to ground level to encourage fresh growth from the root system.
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“This sunflower carries the story of the North American Great Plains in its genes. Native to the tallgrass prairie regions of central North America, Helianthus maximiliani evolved in the sweeping open grasslands where it still appears today in dry prairies, limestone glades, roadsides, and rocky bluffs. Named for the plant's resilience in these unforgiving landscapes, it has become treasured by native plant enthusiasts and seed savers as a gateway to prairie restoration and wildflower gardening. Its heirloom open-pollinated genetics mean gardeners can harvest seed and grow their own plants year after year, keeping this piece of prairie heritage alive in home gardens.”