Beekeeping in the Tulip-Tree Region. V7 
honey-crop from the tulip-tree. If the beekeeper knows that he has 
not done all of the things that he should in advance, he may then 
add any of the three necessary factors in the spring, but this is 
dangerous practice, for too often it is done too late. The practice 
of clipping the queen’s wings during the early spring can not be 
followed, as often advised, for the queen can not well be found while 
the bees are in their winter cases. 
Fic. 5.—Map showing average date of last killing frost in tulip-tree region. From these 
data the beekeeper determines when to remove the winter protection and estimates the 
time of the beginning of nectar secretion of the tuliprtree. 
The time to unpack the bees will be four or five days before the 
tulip-tree is in bloom, usually the first week in May, perhaps a little 
earlier in the more southern limits of this plant. (See map, fig. 5.) 
It may happen that a few colonies will cast swarms, especially if 
they have defective brood-combs, before the scheduled time for un- 
packing, in which event the swarm should be placed in a new hive 
directly beside the colony from which it came. In the event that a 
