Fall is definitely time to plant spring blooming bulbs underground. Typically the season for planting bulbs can begin in late September and will extend to mid December, depending on your particular climate. A basic rule of thumb for planting bulbs is as long as the ground is not frozen a spring bulb can be planted. New bulbs do not have to be fertilized for the first spring bloom to appear. The bulb has plenty of nutrient storage for the spring growth. There appears to be some debate concerning fertilization, however, and it is addressed below.
8 Not all spring bulbs can be planted in late fall to early winter. Consult the bulb's packaging for specific zone planting times and sun light exposure.Some spring bulbs can be forced indoors in small pots. See Resources.
Dig the bulb's hole with the hand spade. The holes depth should be three times the overall size of the bulb. In other words, if the bulb is 2 inches long, the hole should be 6 inches deep.