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Week 9 – February 26, 2024

Plant Information

Katz Hi Double White Matthiola

  • Katz Hi Double White Matthiola - Bloom
  • Katz Hi Double White Matthiola - Single Stem, White Background
  • Katz Hi Double White Matthiola - Mono Vase, White Background
  • Katz Hi Double White Matthiola - Grower Bunch
Growing Information:
Culture Guidelines
Marketing Information:
Bench Card
Download a Bench Card
Plant Details:

Scientific Name: Matthiola incana

Common Name: Programmable Tunnel Or Field-Grown Mattiola, Stock

Hardiness Degree: 22°F (-5.6°C)

Blooming Season: Spring, Autumn

Plant Habit: Upright

Characteristics: Fragrant Flowers

Water: Medium

Fertilize: Every two weeks

Height: 32" (81cm)

Exposure: Sun

General Information: Full, lush plants with lots of blooms can withstand garden temperatures as low as 22°F (-6°C). Produces approximately 90% double-flowering plants. 

Grower Information:

More usable stems
NEW Katz Hi Double White provides greater than 90% yield of usable double-flowered stems, and this top-selling colour also has flower quality to match current Katz White.

Stem length: 32 in./81 cm
Planting density: 12 plants/ft.2 (126 plants/m2)
Best for: High tunnel, field

Plug crop time: 4 weeks
Transplant to finish: 8 to 13 weeks

  • Delivers shorter crop time, uniform stem length and timing, and better heat tolerance than European or traditional field types.
  • Can be grown earlier and later in the season, and even year-round in some climates, allowing for programmable Christmas through Valentine’s Day flowering.
  • Katz Hi Double White provides greater than 90% yield of double-flowered stems in this top-selling colour.