GREEN-HOUSE AND CONSERVATORY. 



1047 



APRIL. 



TEMPERATURE. 



Fire-heat may now be dispensed with in either of these de- 

 partments, excepting on very particular occasions, such as 

 drying up any excess of moisture, or occasionally about the 

 beginning of the month to repel any sharp frost, which, though 

 rarely happening at this season sufficiently intense to injure 

 these plants, still, should it so happen, several degrees of less 

 frost would be more injurious to them now, when they are just 

 beginning to shoot forth, than at an earlier period of the 

 season, 



VENTILATION. 



As the days become warmer, ventilation must be increased 

 in proportion. A want of it at this period would be attended 

 with very injurious effects. Every fine day, for several hours, 

 the ventilators, when used, should not only be opened, but a 

 number of the doors or lights opened still farther, in order to 

 admit a sufficiency of this balm of life. Towards the after- 

 noon, they should be shut up, and that should be done before 

 the atmosphere of the house becomes too cold, as a genial 

 degree of warmth from sun-heat is now necessary to encourage 

 a disposition of growth in the plants. 



WATERING. 



Water should be more liberally supplied both to the plants 

 in pots, and also to those planted out in the borders, than 

 hitherto ; and this must be applied less sparingly, accordingly 

 as the weather is fine, and as the month draws to an end. In 

 fine days, a gentle syringing will be extremely useful to the 

 plants in both departments, to refresh their foliage and to 

 clear them of dust or other filth; but this should only be 



