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Propagating Mimosa from Seed and Leyland Cypress from Cuttings

Danville, VA: Mimosa pods forming—how to start from seed? Also propagate 3-yr Leyland cypress?

Mimosa (Albizia julibrissin) from Seed

  • Collect from dry pods on tree
  • Pre-soak 24 hrs hot water
  • Sow March/April in greenhouse or ripe in cold frame
  • Germination: 2–3 months at 66°F; 25–33% rate
  • Pot seedlings in rich soil; greenhouse first winter
  • Plant out late spring/early summer; protect 1–2 winters

Leyland Cypress: Cuttings Only

No viable seed. Vegetative propagation required.

  • Source: Trees <10 yrs old or new shoots on older trees
  • Timing: Jan–Mar best (6–8" cuttings with brown basal stem)
  • Process: Strip lower 2", dip in 0.8% IBA rooting hormone, stick in 1:1 peat-perlite
  • Environment: 68°F, high humidity (plastic tent/greenhouse)
  • Transplant: Rooted cuttings → 1-gal pots for better growth

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