Saxifraga umbrosa (Saxifrage)

Seed Treatment

  1. Cold Stratification Method:

    • Place seeds on a moist paper towel, seal in a plastic bag.
    • Refrigerate at 35–40°F (1–4°C) for 3–4 weeks.
    • Check occasionally to keep the medium moist, not wet or moldy.

Planting Instructions

  1. Sowing Time:

    • Indoors: Start seeds indoors 6–8 weeks before the last frost.
    • Outdoors: Sow in early spring or late fall for natural cold stratification.

  2. Soil Requirements:

    • Prefers moist, well-draining, humus-rich soil.
    • Slightly acidic to neutral pH (6.0–7.0).

  3. Light Requirements:

    • Thrives in partial shade to full shade. Ideal for woodland or shaded rock gardens.

  4. Sowing Instructions:

    • Surface sow seeds; do not cover, as they need light to germinate.
    • Optimal temperature: 60–65°F (15–18°C). Avoid high temperatures, as they may inhibit sprouting. Also, ensure the soil remains moist but not waterlogged.
    • Mist gently to settle seeds into place.

  5. Watering:

    • Keep soil evenly moist during germination—avoid waterlogging.
    • Once established, water regularly during dry spells.

  6. Germination Time:

    • Expect germination in 14–30 days under ideal conditions.

  7. Spacing:

    • Thin or transplant seedlings 6–12 inches (15–30 cm) apart for spreading clumps.

Growing Tips:

  • Saxifraga umbrosa forms attractive evergreen rosettes and delicate pink or white blooms.
  • Great for ground cover, shady borders, and rockeries.
  • Mulch lightly to retain moisture and suppress weeds.
  • Low-maintenance and tolerant of cool, damp conditions.

Enjoy the charming texture and subtle blooms of this classic cottage garden favorite! ?✨