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Eden Valley Seeds

Narrowleaf Sunflower Seeds for Planting – Garden Selection for Home Growing and Plant Collections

Narrowleaf Sunflower Seeds for Planting – Garden Selection for Home Growing and Plant Collections

Regular price $16.99 USD
Regular price Sale price $16.99 USD
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Key Features

  • Variety: Narrowleaf Sunflower
  • Color: Not specified
  • Plant Characteristics: annual flowering plant
  • Garden Uses: Ornamental gardening or plant collections, subject to species confirmation
  • Unique Feature: Support tall stems and protect seedlings from birds.

Growing Benefits

  • Seed propagation can produce plants for observation and garden cultivation when the identity and seed viability are confirmed.
  • Seedlings allow gardeners to observe natural variation in plant growth and form.
  • Suitable garden placement depends on the identified species and local conditions.

Seed Specifications

  • Common Name: Narrowleaf Sunflower
  • Botanical Name: Helianthus annuus
  • Plant Type: annual flowering plant
  • Colors: Not specified
  • Height: Not specified
  • Germination Time: 7–14 days
  • Growing Zones: Not specified; check species and local climate
  • Flowering/Harvest/Maturity: Summer to fall flowering
  • Uses: Ornamental gardening or plant collections, subject to species confirmation

Growing Tips

  • Choose a site with full sun.
  • Use well-drained, moderately fertile soil.
  • Support tall stems and protect seedlings from birds.
  • Avoid assuming that seed-grown plants will reproduce named cultivar colors or forms.

Seed Storage

Store the seed packet in a cool, dry, dark place in a sealed container. Species with short-lived or recalcitrant seeds may require different storage; confirm before prolonged storage.

Unique Facts About Seeds

  • The listing describes Narrowleaf Sunflower seeds; the exact seed source and cultivar authenticity are not supplied.
  • Growing from seed may produce variation in traits, especially in hybrids or named ornamental selections.

Planting Season: Sow after last frost.

Sowing: For growing Narrowleaf Sunflower from seed, use clean containers or a prepared bed suitable for the species. Check whether fresh seed or pretreatment is required.

Depth: Sow at surface to 1 in, depending on seed size.

Spacing: Allow 12–24 in between plants.

Sunlight: Provide full sun.

Soil: Use well-drained, moderately fertile soil.

Watering: Keep the germination medium evenly moist without waterlogging. Adjust watering after establishment to the plant’s needs.

Germination: Germination is commonly 7–14 days, but temperature and seed age affect timing.

Transplanting: Move seedlings only after they are sturdy enough to handle and conditions are suitable. Minimize root disturbance, especially for species that dislike transplanting.

Fertilizing: Avoid heavy feeding before seedlings establish. Use species-appropriate fertilizer only if growth or soil conditions indicate a need.

Care: Support tall stems and protect seedlings from birds.

Flowering/Harvest/Maturity: Summer to fall flowering. Timing varies with climate and plant age.