by Avery Beadle | May 30, 2021 | Learn
Most bulbs do well through Zone 7a in the South. In Zones 7b–10, where soil temperatures do not cool down sufficiently in winter, and spring weather is often very warm, many bulbs perform poorly unless they are prechilled—i.e., refrigerated for 6–12 weeks prior to...
by Michelle Blydenburg | May 29, 2021 | Learn
What is meant by “prechilling”? Most spring-flowering bulbs, including tulips and hyacinths, need a prolonged period of cold temperatures to grow and bloom properly. In much of the United States, this cold period is provided naturally by a winter spent in the ground....