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Eden Valley Seeds

Black Ball Cornflower Seeds for Planting – Ornamental Seeds for Garden and Plant Collections

Black Ball Cornflower Seeds for Planting – Ornamental Seeds for Garden and Plant Collections

Prix habituel €15,95 EUR
Prix habituel Prix promotionnel €15,95 EUR
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Key Features

  • Variety: Black Ball Cornflower
  • Color: Color described in product name; seedling expression not guaranteed
  • Plant Characteristics: annual wildflower
  • Garden Uses: Beds, containers, or collections where appropriate for the confirmed species
  • Unique Feature: direct sow is often preferred

Growing Benefits

  • Growing Black Ball Cornflower from seed allows observation of natural seedling variation.
  • Black Ball Cornflower seeds can be started in an appropriate propagation setup when seed viability is confirmed.
  • The annual wildflower habit informs planting placement and seasonal care.

Seed Specifications

  • Common Name: Black Ball Cornflower
  • Botanical Name: Centaurea cyanus
  • Plant Type: annual wildflower
  • Colors: Color described in product name; seedling expression not guaranteed
  • Height: Not specified
  • Germination Time: 7–14 days
  • Growing Zones: Not specified; depends on species and local winter temperatures
  • Flowering/Harvest/Maturity: spring to summer
  • Uses: Ornamental or collection planting; confirm suitability for the identified species

Growing Tips

  • Choose full sun exposure.
  • Use well-drained soil.
  • Water during establishment.
  • Direct sow is often preferred.

Seed Storage

Keep labeled seeds cool, dry, and away from direct sunlight in a sealed moisture-resistant container. Storage life varies by species.

Unique Facts About Seeds

  • Botanical identification: Centaurea cyanus.
  • Propagation note: direct sow is often preferred.
  • Seed-grown plants can vary; confirm cultivar identity with the supplier.

Planting Season: Sow in early spring or fall where climate permits.

Sowing: Start Black Ball Cornflower seeds in a clean seed-starting medium; follow species-specific handling.

Depth: Sow at 6 mm.

Spacing: Allow 15–30 cm between plants, adjusting for mature size.

Sunlight: Provide full sun.

Soil: Use well-drained soil.

Watering: Water during establishment.

Germination: Germination commonly takes 7–14 days under suitable conditions; actual results vary.

Transplanting: Move seedlings after they develop sturdy true leaves if the species tolerates transplanting; minimize root disturbance.

Fertilizing: Apply a dilute balanced fertilizer only after seedlings establish, if needed; avoid excess feeding.

Care: Direct sow is often preferred. Seed-grown plants can vary; confirm cultivar identity with the supplier.

Flowering/Harvest/Maturity: Expect spring to summer under suitable conditions; timing varies by location.