'Prairie Princess' Ironweed (Vernonia hybrid) | Proven Winners® New Variety 2026

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Infographic explaining and showing dormancy in perennials.
A size chart showing 4 different options for Perennial Plants: 4.5" Eco+ Elite (5-8" plant height, 4.5" pot width, 5" pot height); 0.65 Gallon (6-14" plant height, 6.5" pot width, 6.5" pot height); 1 Gallon (6-24" plant height, 6.5" pot width, 7.13" pot height); 2 Gallon (18-28" plant height, 8.88" pot width, 9.38" pot height).
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Infographic explaining and showing dormancy in perennials.
A size chart showing 4 different options for Perennial Plants: 4.5" Eco+ Elite (5-8" plant height, 4.5" pot width, 5" pot height); 0.65 Gallon (6-14" plant height, 6.5" pot width, 6.5" pot height); 1 Gallon (6-24" plant height, 6.5" pot width, 7.13" pot height); 2 Gallon (18-28" plant height, 8.88" pot width, 9.38" pot height).
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'Prairie Princess' Ironweed (Vernonia hybrid) | Proven Winners® New Variety 2026

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Please Note: Our plants are currently shipping dormant. During dormancy, plants go inactive to conserve energy for the next growing season.

Looking for a plant that reigns supreme in both strength and style? Meet ‘Prairie Princess’, the ironclad beauty that’s ready to rule your garden! True to her name, this perennial powerhouse is tough as iron and utterly unbothered by the elements. A proud North American native and close cousin to Asters, she makes her grand entrance in late summer with crowns of rosy-purple blooms that command attention and draw pollinators like royal admirers.

But the show doesn't stop there—her dark olive-green foliage with a silvery sheen brings year-round charm, long after the flower parade has passed. Unlike her wild cousins, ‘Prairie Princess’ keeps her cool (and her shape!), boasting a compact, full habit and sturdy, rain-resistant stems that won't flop under pressure. Plus, she’s no drama queen—mildew-resistant and low-maintenance, she holds her foliage like a true royal through the entire season. Whether you're crafting a pollinator paradise or giving your borders a boost, this is one perennial you’ll want in your royal court.

  • 26-30 inches tall and 30-36 inches wide at maturity
  • Hardy in zones 4-9, be sure to check your USDA zone to ensure success
  • Plant in full sun (6+ hours daily)
  • Space plants 30-36 inches apart for best results
  • Produces rosy purple flowers in late summer
  • Maintains dark olive green foliage with a silver cast spring to frost
  • Great for cut flowers, erosion control, landscapes and mass planting
  • Attracts bees and butterflies while resisting deer and rabbits
  • Native to North America, drought tolerant

Care: Fertilize with Proven Winners Continuous Release Plant Food in spring.

Shipping Info:

  • Enjoy free shipping on orders over $175
  • Size at shipping varies by the season and plant
    • Quart perennials are 5-8 in. at the time of shipment
    • 0.65 Gallon perennials are 6-14 in. at the time of shipment
    • 1 Gallon perennials are 6-24 in. at the time of shipment
  • Perennials shipped Nov-Apr will arrive dormant; perennials shipped Apr-Oct will arrive green or in bloom 

Read our guide to get started with planning a garden

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