How to Plant Siberian Wallflower from Seed

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Planting Instructions for Siberian Wallflower Seeds

  1. Location: Choose a spot with full sun to partial shade and well-drained soil. Siberian wallflowers are hardy and drought-tolerant once established.
  2. When to Plant:
    • Outdoors: Sow Todd’s Seeds Siberian Wallflower seeds in spring after the last frost or in late summer/early fall for blooms the following year.
    • Indoors: Start seeds 6–8 weeks before the last frost and transplant carefully.
  3. Soil Prep: Loosen soil and remove weeds. Amend with compost if needed. Ideal soil pH is 6.0–7.5.
  4. Sowing Depth: Sow seeds 1/8 inch deep and lightly cover with soil.
  5. Spacing: Thin or transplant seedlings to 8–12 inches apart.
  6. Watering: Keep soil moist during germination (10–20 days). Once established, water only during prolonged dry periods.
  7. Care: Deadhead spent blooms to encourage extended flowering. Siberian wallflowers are low-maintenance and suitable for naturalized or pollinator gardens.
  8. Bloom Time: Mid-to-late spring. Produces clusters of bright orange, fragrant flowers that attract butterflies and bees.
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