2025 Proven Winners National Perennial of the Year®

Introducing 'Jack of Diamonds,' a showstopper that adds striking beauty to any garden or container! With 9-10" leaves featuring a silver overlay and dark green veining, this plant’s dramatic, overlapping foliage forms circular shapes from afar, creating a stunning visual effect. In mid to late spring, delicate baby blue blossoms—reminiscent of forget-me-nots—emerge, adding a soft touch of color. The mounded habit makes 'Jack of Diamonds' a perfect filler and spiller for containers, while also thriving in the landscape. It’s a true gem that combines beauty, texture, and versatility!

• 14-16 inches tall and 28-32 inches wide at maturity
• Scape height 30 inches
• Hardy in zones 3-8, be sure to check your USDA zone to ensure success
• Plant in part shade to shade (4-6 hours daily)
• Space plants 28-32 inches apart for best results
• Produces baby blue flowers in spring
• Maintains green foliage with heavy silver overlay and wide, dark green veining spring to frost
• Great for borders, containers, cut flower, landscapes, mass plantings, focal point
• Attracts bees and resists deer
• Foliage interest

Care: Fertilize with Proven Winners Continuous Release Plant food in spring and mid-summer. Clean away any dead foliage after frost.

Shipping Info:

• Enjoy free shipping on orders over $125
• Size at shipping varies by the season and plant
  • Quart perennials are 5-8" tall at shipment 
  • 0.65 Gallon perennials are 6-12" tall at shipment 
  • 1 Gallon perennials are 6-24" tall at 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