Not a year goes by, not a holiday season approaches, that we wish that we had started some flower bulbs in containers for indoor growing so that we might give the gift of color to our nearby friends and relatives. And not a year goes by that we realize we didn’t plan far enough ahead. Think of delivering bright red amaryllis to the hosts of the neighborhood Christmas party or bringing a cluster of paperwhite blossoms on sharp green leaves to Aunt Susan when she hosts a holiday dinner. Having plants ready to go for the last weeks of December means preparing in September and even August to make sure bulbs will be willing to grow just when you want them to.
Forcing bulbs for winter color is a matter of persuasion. You must fool them into thinking (thinking is a relative term here) that they’ve gone through winter and are approaching spring. We do this buy digging or buying bulbs late in the summer and then keeping them in the refrigerator for two or three months. Then we pot them up, whether in organic compost or potting soil for bulbs including amaryllis, or in pebble pots or glass containers for paperwhites. (more…)