Ill] INIETHOD OF FORCING TREES 41 



ordinary pot — not in the perforated — and they 

 should be gi*own on the surface, and not plunged. 

 Where large cherry trees are grown in pots the 

 ordinary pot may be used, plunged to three-quarters 

 of their depth. This will have the twofold ad- 

 vantage of economizing watering, and will give 

 additional head-space. The ordinary pot should 

 also be employed for apples, pears, and plums, but 

 these, if grown out-of-doors, should always be 

 plunged (see p. 92). 



Where perforated pots are in request, it is best 

 to have them made to order from any pottery. 



Method of forcing trees. — The calendar of 

 monthly operations to be given in a subsequent 

 chapter is intended to apply to the cool or un- 

 heated house only, but as many people force their 

 trees, I will give a brief outhne of the treatment to 

 be adopted. The trees should be potted between 

 the middle and end of September, and, where 

 possible, placed in the house and watered when 

 necessary, and syringed occasionally. The house 

 should be freely ventilated all day, and even at 

 night, should the weather be warm. This treat- 

 ment may be continued until December. 



Assuming that the trees are required to ripen 

 their fruits by the end of April, or early in INIay 

 (I am speaking of peaches and nectarines), they 

 must be started during December. I'he precise 



G 



