THE GROWING OF PLANTS IN POTS 15 
THE CALLA 
The calla is a plant that can be easily grown, but the 
degree of success will depend largely upon the attention 
it receives. Three strong bulbs planted in an eight-inch 
pot in Septem- 
ber should give 
a succession of 
blooms for sev- 
eral months dur- 
ing the winter. 
When the plants 
are not in bloom 
the foliage will 
make a neat and 
attractive appear- 
ance in any win- 
dow, if the plant 
is kept clean and 
in a healthy con- 
dition. The small 
varieties are best 
for either school- 
room or home 
windows. Select 
Fie. 10. A Calla Plant 
three-year-old bulbs. The bulbs can be used from year to 
year; the large, strong ones will give the best results. 
Prepare the compost for potting the bulbs by mixing 
equal parts of well-rotted barnyard manure, garden soil, 
