Pre-cooling is the process of exposing certain bulbs to cool temperatures for a specific period before planting or forcing. This cold period helps satisfy the bulb’s dormancy requirements and prepares it for proper root and shoot development.

The takeaway: Cold isn’t just part of winter—it can be an important part of the bulb’s development. Pre-cooling isn’t about just keeping bulbs cold, it’s providing the right temperature for the right amount of time.

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