9O ROSES 



increase the amount of air as the heat inside 

 rises. It is most important not to cause 

 sudden changes. As a rule we have a good 

 many bright days during September and 

 October, with cool nights ideal weather for 

 rose growing. Put on plenty of ventilation 

 then to harden the plants for the winter, and 

 if the thermometer drops below 60 degrees at 

 night, keep on a little fire and leave a " crack " 

 open on the top ventilator, with the side 

 ventilators closed. 



SEVERAL VARIETIES IN ONE HOUSE 



It is of course far better to have one kind 

 of rose in one house not necessarily one 

 variety, but varieties so much alike that they 

 accept similar treatment, as would be the 

 case with The Bride and Bridesmaid, the 

 two most popular roses for white and pink 

 colours. This is not always possible on the 

 private place, and a mixture becomes neces- 

 sary; but try to reduce the number of varieties 

 if the best results are sought. Much can be 

 done in the heating arrangements to make the 

 house suitable for mixed varieties by having 

 one end cooler than the other. With 58 

 degrees at the warm end and 53 degrees at the 



