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Vernonia lettermannii 'Iron Butterfly'
  • Common Name: Ironweed
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: late summer to fall
Vernonia 'Iron Butterfly' photo courtesy of North Creek Nursery
Vernonia Prairie Princess
New from Proven Winners for 2026
  • Common Name: Ironweed
  • Cold Hardiness: Zone 3
  • Sun or Shade: minimum 5 hours of direct sun
  • Bloom Time: late summer to early fall
Vernonia 'Prairie Princess' photo courtesy of Proven Winners
Veronica longifolia Skyward Blue
New for 2025
  • Common Name: Spike Speedwell
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: minimum 5 hours of direct sun
  • Bloom Time: late spring to early summer
Veronica longifolia 'Skyward Blue' photo Ball Seed Company
Veronica Skyward Pink
New for 2026
  • Common Name: Speedwell
  • Cold Hardiness: Zone 4-7
  • Sun or Shade: Minimum 4 hours of direct sun
  • Bloom Time: late spring with rebloom
Veronica Skyward Pink
Vinca Illumination
  • Common Name: Periwinkle
  • Cold Hardiness: Zone 4-10
  • Sun or Shade: part shade to shade
  • Bloom Time: early summer
Vinca 'Illumination' photo courtesy of Proven Winners