22 Making a Rock Garden 



The drainage of a rock garden is of 

 vital importance. There must be plenty 

 of moisture stowed away behind the rocks 



Cross-section of rock garden construction, show- 

 ing shallow (A) and deep (B) soil pockets; 

 tilting and wedging of rocks (C) ; bridging 

 (D), and perpendicular crevice soil run (E). 

 Two to three inches of soil between all joints. 

 The lowest rocks are partly buried 



against the heat of summer, but all excess 

 must be carried away. The garden should 

 drain naturally, as the hills do. If any 

 doubt exists, make a drainage bed of eight 



