In zones 8 – 11, bulbs will need to be pre-chilled in a refrigerator for about 6 weeks before planting. You can also purchase pre-chilled bulbs. Plant during the coolest time of year. Where can I buy spring-flowering bulbs? Bulbs begin to appear in garden centers in late summer. The...
In southern climates with mild winters, plant bulbs in late November or December. The bulbs will need to be chilled in the refrigerator for about 12 weeks before planting. (Bulb suppliers often offer pre-chilled bulbs for sale, too.) If you miss planting your bulbs at the optimal time, do...