Seasonal Color Growers

Providing quality annuals and perennials for landscape professionals since 1999


Primo Black Pearl

Heuchera Primo Black Pearl is the 2018 Perennial of the Year, a reliable, outstanding plant trialed for its overall performance, low maintenance, multiple season of interest and more. Leaves are glossy, jet black with ruffled edges and purple undersides. In midsummer, the pink calyxes shoot up and cover with white flowers. Although the blooming is somewhat short lived, the overall attractiveness of the plant is definitely the foliage.
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$19.95 PW Gallon
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Proven Winners searches the world to bring you vibrant flowering plants that deliver beautiful color for your containers and beds. When you grow Proven Winners, you'll surely fall in love!
  • Planting & Care

Size & Spacing

  • Bed Spacing: 18-20"
  • Container Spacing: 10"
  • Mature Width: 18-20"
  • Mature Height: 8-10"

Planting Type

  • Containers
  • Border


  • Early Spring
  • Spring
  • Summer
  • Fall
  • Winter


  • Perennial


  • Full Sun
  • Partial Sun
  • Shade

Water Requirements

  • Normal


  • Average


Growth Characteristics:
Greater heat and humidity tolerance than other varieties.

Care & Maintenance:
Heucheras prefer well areated soils, neutral pH and good drainage. Preparing a raised bed with good soil amendments in our region will go a long way to ensuring your success. Heavy clay soil and too much moisture is the kiss of death. Divide every three-four years.