PRE-CHILLING OR CHILLING TIME
Bulbs that require chilling time:
– Crocuses – 8-10 weeks of chilling at 35-40°F (1-4°C).
– Daffodils – 12-16 weeks of chilling at 35-40°F (1-4°C).
– Grape Hyacinths – 8-10 weeks of chilling at 35-40°F (1-4°C).
– Hyacinths – 10-12 weeks of chilling at 40-45°F (4-7°C).
– Tulips – 12-16 weeks of chilling at 35-40°F (1-4°C).