…yet more seed treatments

• warm (70 °) 3 wks, cold (32 °) 5 wks, germinate (40 °), then warmer (55 °)

  • especially older seed of some species

• prechill (40 °, 2-12 weeks, depending)

• double dormancy (3 months each cold, warm, cold, warm)

• presoak (warm water)

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