WINDOW GARDENING TOOLS 209 



from watching a hyacinth bulb develop. 

 This may be done by growing the bulb in a 

 bulb, or hyacinth, glass. This has a rather 

 large base, and draws in toward the top; 

 but nearly at the top the sides suddenly 

 flare out, forming a basin which is just large 

 enough to comfortably hold the largest 

 sized hyacinth bulb. Water is put in these 

 to just touch the bottom of the bulb. The 

 filled glasses are then set away in a cool, 

 dark place until the roots develop. 



Fertilizers. None are needed, as a rule, 

 but when feeding becomes desirable apply 

 in solution. Formulas for liquid manure 

 and another for a soluble chemical fertil- 

 izer are given on pages 74 and 75, Chap- 

 ter VI. The prepared plant food tablets, 

 to be had in the seed stores, are thoroughly 

 reliable. 



Heaters. Often it is necessary to heat the 

 window, as where the room in which the 

 plants are growing is separated from the 

 living room. Sometimes this can be solved 

 by putting in connections with the regular 

 house heater; but where such connections 

 cannot be made, use an oil heater. These 

 generate a large amount of heat, and will 



