Matthiola incana Katz Yellow | Stock

Matthiola incana Katz Yellow | Stock Seeds

Katz Yellow is a stunning variety of Matthiola incana with excellent uniformity in bloom time and stem length. Known for its delicate cherry-blossom pink flowers and delightful fragrance, this stock variety is ideal for cut flower production and garden planting.

Key Features:

• Bloom Color: Yellow
• Double Flowers: 55–60% naturally double-flowering; selection possible
• Stem Lengt: 60–70 cm
• Plant Height: Varies
• Vase Life: 5–10 days
• Light Preference: Full sun
• Cold Tolerance: Frost-sensitive (annual)
• Harvest Time: 90–100 days from sowing

Sowing & Growing Instructions:

• Germination Time: 7–14 days at 18–24°C
• Transplanting:
  • Start indoors 5–6 weeks before transplanting
  • Sow ¼" (6 mm) deep in 128-cell plug flats
  • Space plants 20-30cm apart
  • Use a trellis for support in warmer climates or frequent rain
• Direct Sowing:
  • Only after the risk of frost has passed
  • Do not pinch plants, as this will terminate flowering
• Soil Requirements: Well-drained, moderately rich soil
• Watering & Fertilization: Prefers moist soil but avoid overwatering; feed monthly
• Selection for Double Flowers:
  • Chill seedlings at 4–7°C for 3–4 days during cotyledon stage
  • Select lighter green, oval-shaped cotyledons for double flowers
  • Discard small, dark green, or round cotyledons as they produce single flowers

Uses:

• Cut Flowers: Fragrant and long-stemmed, perfect for floral arrangements
• Edible Flowers: Can be used as garnishes
• Garden Use: Great for beds, borders, and containers (short bloom period in hot weather)

Harvest & Storage:

• Best Harvest Time: When ⅓–½ of the florets on the stem are open
• Storage Temperature: 2–5°C
  

Tip: Regularly cut flowers to encourage continuous blooming and extend the flowering period. Protect young plants from flea beetles with row covers.

Katz Cherry Blossom is an excellent cool-weather crop, thriving in spring and fall successions. For a prolonged harvest, sow every two weeks!