CHAPTER IV 



Wintering and Propagating 



The hardy water-lilies give no trouble in 

 winter as they are simply left outdoors where 

 they grew. They take care of themselves! 

 Natural ponds must perforce remain undis- 

 turbed; artificial ponds can have some water 

 drained off, and in places where the winter 

 cold is likely to be very intense, the plants 

 can be covered with planks, hay, leaves or 

 any other protective material ready at hand. 

 Where hardy nymphaeas have been grown in 

 tubs plunged in the ground, a simple covering 

 with hay is sufficient. Loose tubs can either 

 be plunged in the ground or removed to a 

 cool cellar. When spring returns, the cover- 

 ing is removed at the same time as it is taken 

 off other garden plants; the tubs can be 

 brought from the cellar in March. 



On the other hand, wintering the tender, 

 S3 



