Maximillian Perennial Sunflower
This tough native thrives in heat
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- flowering dateMid summer to frost.
- hardiness zone3-9
- height36 - 120 inches
- restricted statesAE AK GU HI PR
- ship asPREMIUM
- sun exposureFull Sun
- Tough, hardy native
- Pollinator magnet - butterflies adore it!
- Up to 7' tall - stunning in back of border
In late summer and into fall, our trial gardens are alive with pollinators—birds, bees and butterflies—and most prefer to flutter among the vivid yellow flowers of this tall and hardy native perennial sunflower. We ship them bareroot because the rate of growth once they start is remarkable, and they could never be contained long enough to get them to the northern zones, once they've begun their annual growth. Give them full sun, good drainage and room to grow and you'll be rewarded with towering golden blooms that make terrific cut flowers. This member of the Helianthus (Sunflower) family is reliably perennial in most of the country, and its sturdy 4-7' tall stems are covered with 2-3" yellow blooms from midsummer to frost. A favorite of birds and butterflies, this sunflower is the real deal—do check out our video. Long-lived plants thrive in heat, drought and even poor soil. Helianthus maximilliani
Product Details
- botanical nameHelianthus maximilliani
- flowering dateMid summer to frost.
- flower colorYellow
- flower form2 - 3" daisies.
- foliage type4 - 8" long, tapering at both ends, dark green.
- formPerennial
- growth rateFast.
- hardiness zone3-9
- height36 - 120 inches
- planting instructionsWeed free area in full sun is best. May require support.
- pruningNone necessary.
- restricted statesAE AK GU HI PR
- shipping seasonSpring
- ship asPREMIUM
- soil requirementWell drained and not too fertile.
- spacing36 - 48 inches
- spread36 - 48 inches
- sun exposureFull Sun
- winter careNone special.
Shipping Schedule
When will my order ship?
Plants will be shipped at the proper planting time for your area of the country during the shipping timeframes outlined below:
| 2025 Spring Shipping Schedule | |
|---|---|
| Zone | Most Dormant Bareroot & Potted Perennials, Trees and Shrubs |
| 3A-3B | 4/28/25 - 5/30/25 |
| 4A-4B | 4/28/25 - 5/30/25 |
| 5A | 4/28/25 - 5/30/25 |
| 5B | 4/7/25 - 5/30/25 |
| 6A | 3/24/25 - 5/30/25 |
| 6B | 3/10/25 - 5/30/25 |
| 7A | 2/24/25 - 5/30/25 |
| 7B | 2/17/25 - 5/9/25 |
| 8A | 2/17/25 - 5/9/25 |
| 8B | 2/10/25 - 5/9/25 |
| 9A | 2/3/25 - 5/9/25 |
| 9B-10B | 2/3/25 - 5/9/25 |
| Last Order Date | Zones 3A - 7B: 5/26/25 Zones 8A - 10B: 5/5/25 |
Product Reviews
Questions & Answers
Planting Videos
Planting Videos
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