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Germinating Golden Chain Tree (Laburnum) Seeds

Golden chain tree seeds have hard coats and require cold stratification to break dormancy.

Stratification and Sowing

  1. Nick seed coat lightly with a file.
  2. Sow in pots with potting mix; cover with plastic.
  3. Place outdoors all winter (natural stratification) or in refrigerator for 90 days.
  4. After cold period, move to 70–75°F; germination occurs in spring.
  5. If no germination, repeat cold/warm cycle.

All parts of Laburnum are toxic; handle seeds with care and keep away from children and pets.

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