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Dianthus STAR SINGLE™ Fire Star Improved

Dianthus hybrid = ‘Wp20 Ppa01’

New for 2020: Dianthus STAR SINGLE™ Fire Star Improved            

Dianthus STAR SINGLE™ Fire Star Improved is a new improvement of a classic, tried and true, an industry icon. Same amazingly iridescent, vivid, red single flowers with a bold central eye pattern. Increased flower count and more compact than the original, resulting in a closer matched collection. Flower stems are sturdy and do not flop. Deadhead and fed regularly to encourage fast repeat blooming. Bred for beautifully scented blooms and excellent garden performance. Pollinator magnet! Use in containers, borders, and mass landscape plantings. Zone 5 hardy.

Key Features:

  • • USDA Zone 5. (-20°F or -28°C).
  • • Compact mounding foliage
  • • Single flowers 1” – 1.5” diameter, held 3” above the foliage.
  • • Increased flower count.  Repeat flowering.
  • • Ideal for use as a front of the border perennial or in mixed containers.

Patent Status: PP 33,421

PK Sheet
USDA Zone: 5 - 9
Height: 5 to 7-inches
13 to 18-centimeters
Spread: 5 to 7-inches
13 to 18-centimeters
Seasons: Spring, Late Spring, Early Summer, Summer, Late Summer, Autumn
Flower Colors: Red
Foliage Colors: Silver-Blue
Growth Habit: Compact-mounded
Patent Status: PP 33,421
Origin: United Kingdom

Grower Culture

Media: Well-draining media
pH: 5.5pH to 6.2pH
Fertilization: Medium | 200 ppm
Light: High
Water: Well-Drained to Moderate
Growing Temp Day: 60°F to 65°F | 16°C to 16°C
Growing Temp Night: 55°F to 60°F | 13°C to 13°C
Crop Timing from Rooted Liners:
4-inch: 8 to 10-weeks with 1 ppp
1-gallon: 10 to 16-weeks with 1 ppp
Other Varieties
in the Collection:
Dianthus STAR SINGLE™ Stargazer
Dianthus STAR SINGLE™ Superstar
Dianthus STAR SINGLE™ Peppermint Star
Dianthus STAR SINGLE™ Neon Star Improved