Maximilian Sunflower, Max Sunflower, Helianthus dalyi
A bold statement in the landscape, Helianthus maximiliani (Maximilian Sunflower) is a tall perennial with rigid, hairy stems clad with long and narrow, coarse and hairy, grayish-green leaves, usually folded lengthwise, and a profusion of brilliant yellow flowers, 2-3 in. across (5-7 cm). Produced from late summer into fall over about a six-week period, each flower features up to 15-19 bright yellow rays surrounding a darker yellow central disk. They are borne on their own stalks and from the leaf axils. A valuable plant for wildlife (bees, birds and butterflies), this big and robust prairie perennial is a delight in large perennial gardens and wildflower meadows. It is not suited to the small perennial border as it needs room to spread.
| Hardiness |
4 - 9 |
|---|---|
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Perennials |
| Plant Family | Compositae |
| Genus | Helianthus |
| Common names | Maximilian Sunflower, Sunflower |
| Exposure | Full Sun |
| Season of Interest | Summer (Late), Fall |
| Height | 3' - 10' (90cm - 3m) |
| Spread | 2' - 4' (60cm - 120cm) |
| Spacing | 48" (120cm) |
| Maintenance | Average |
| Water Needs | Low, Average |
| Soil Type | Chalk, Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Cut Flowers, Showy |
| Native Plants | United States, Maryland, New York, New Jersey, Massachusetts, Connecticut, Pennsylvania, Maine, Southwest, Northeast, Rocky Mountains, Southeast, Pacific Northwest, Midwest, Indiana, Ohio, Missouri, North Dakota, Kansas, Nebraska, Michigan, Wisconsin, Minnesota, Iowa, Illinois, South Dakota, Washington, Idaho, Alabama, Kentucky, Arkansas, Tennessee, West Virginia, Virginia, South Carolina, North Carolina, Mississippi, Texas, New Mexico, Oklahoma, Montana, Wyoming, Colorado |
| Tolerance | Drought, Deer, Dry Soil, Rocky Soil, Clay Soil |
| Attracts | Bees, Birds, Butterflies |
| Garden Uses | Beds And Borders |
| Garden Styles | Informal and Cottage, Prairie and Meadow |
| Hardiness |
4 - 9 |
|---|---|
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Perennials |
| Plant Family | Compositae |
| Genus | Helianthus |
| Common names | Maximilian Sunflower, Sunflower |
| Exposure | Full Sun |
| Season of Interest | Summer (Late), Fall |
| Height | 3' - 10' (90cm - 3m) |
| Spread | 2' - 4' (60cm - 120cm) |
| Spacing | 48" (120cm) |
| Maintenance | Average |
| Water Needs | Low, Average |
| Soil Type | Chalk, Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Well-Drained |
| Characteristics | Cut Flowers, Showy |
| Native Plants | United States, Maryland, New York, New Jersey, Massachusetts, Connecticut, Pennsylvania, Maine, Southwest, Northeast, Rocky Mountains, Southeast, Pacific Northwest, Midwest, Indiana, Ohio, Missouri, North Dakota, Kansas, Nebraska, Michigan, Wisconsin, Minnesota, Iowa, Illinois, South Dakota, Washington, Idaho, Alabama, Kentucky, Arkansas, Tennessee, West Virginia, Virginia, South Carolina, North Carolina, Mississippi, Texas, New Mexico, Oklahoma, Montana, Wyoming, Colorado |
| Tolerance | Drought, Deer, Dry Soil, Rocky Soil, Clay Soil |
| Attracts | Bees, Birds, Butterflies |
| Garden Uses | Beds And Borders |
| Garden Styles | Informal and Cottage, Prairie and Meadow |
How many Helianthus maximiliani (Maximilian Sunflower) do I need for my garden?
| Plant | Quantity | |
|---|---|---|
| Helianthus maximiliani (Maximilian Sunflower) | N/A | Buy Plants |
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Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
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