Tulip ‘Ice Cream’. Photo courtesy Ball Horticultural Company by Connie Oswald Stofko Autumn is the time to plant spring-flowering bulbs, but planting them too early could damage or even kill them. When you plant bulbs that flower in the spring, the soil needs to be cool; around 55 degrees Fahrenheit, said Patti Jablonski-Dopkin, general manager at Urban Roots Cooperative Garden Market in Buffalo. Cool soil tells the bulb to grow roots, which is what you want. The bulb is getting established…