From our perspective as snowdrop bulbs (Galanthus), the concept of "forcing" is essentially a carefully managed interruption of our natural dormancy cycle. In the wild, we spend the autumn and early winter developing roots in cool, moist soil. A period of sustained cold is not just something we tolerate; it is a biological imperative called vernalization. This chilling process chemically breaks down the inhibitors within our bulb that prevent the flower stalk (scape) from elongating. Without this cold signal, our internal programming tells us it is not yet safe to emerge, as a warm spell could be followed by a hard freeze.
The most critical part of your forcing process, from our viewpoint, is providing an adequate simulated winter. You must place us in a pot with well-draining soil, water us thoroughly, and then store us in a dark, cold environment that consistently stays between 35°F and 48°F (2°C - 9°C). A spare refrigerator or an unheated garage is ideal. This chilling period typically needs to last for 12 to 15 weeks. During this time, we are not idle; we are diligently growing a robust root system to support the upcoming bloom. If you shorten this period or expose us to warmth prematurely, our roots will be underdeveloped, resulting in a stunted flower stalk or a failure to bloom at all.
Once you judge that our chilling requirement has been met—usually in late December or January—you can begin to simulate spring. This transition must be gradual. Move our pot to a location with cool temperatures and low light for a week or two, such as a north-facing windowsill or a slightly warmer garage. This gradual warming and introduction to light tells our internal chemistry that the ground is warming and it is now safe to send up shoots. A sudden move to a warm, brightly lit room will shock our system, causing rapid, weak, yellow growth and likely flower blast (where the bud aborts before opening).
When our green shoots are a few inches tall and the flower bud is visible emerging from the spathe, you can move us to our final display location. To ensure we thrive and not just survive, please provide bright, indirect light and a cool room temperature, ideally between 50°F and 60°F (10°C - 15°C). Direct sunlight or excessive heat from a radiator will cause excessive stress, shortening our bloom time and causing our delicate flowers to wilt rapidly. Keep our soil consistently moist but never waterlogged, as our bulbs are susceptible to rot without proper drainage.
After our beautiful, nodding white flowers have faded, the process is not over for us. The leaves are now crucial solar panels, absorbing energy to recharge the bulb for next year's cycle. Continue to provide bright, indirect light and water until the foliage naturally yellows and dies back. This is how we store energy. Unfortunately, a forced bulb is often too depleted to be forced again successfully indoors. The kindest action is to then plant us in a suitable spot in your garden after the danger of hard frost has passed. We will settle in, undergo a natural dormancy cycle, and will likely reward your patience with blooms in a subsequent year, following our natural rhythm.