WINDOW BOXES 



29 



will make a good soil for the box. Put a piece of 

 broken pottery or flowerpot with the hollow side down 

 over each of the holes ; then place a layer of half an 

 inch of pebbles or crushed stone over the entire bottom 



FIG. 20. An Outdoor Window Box 



of the box. On the drainage layer place an inch of the 

 coarse material that would not go through the screen. 

 Have enough soil in the box to reach to within half 

 an inch of the top after settling. Water thoroughly 

 and add more soil if it settles too much. Let it stand 

 for two or three days before planting. When the soil 



