1 6 Making a Rock Garden 



advantage. Artificial stone should be 

 shunned like the plague. Limestone and 

 sandstone are good materials; granite is 

 better. Granite, however, does not strat- 

 ify, and if stratified effects are desired, 

 another stone must be selected. A good 

 plan is to use more than one kind, but to 

 keep them properly apart. Weather- 

 beaten granite is excellent material, and, 

 in general, it is well to have the rock look 

 anything but newly quarried. Pick out 

 some rocks with a growth of lichen on 

 them, and be sure that this is not dis- 

 turbed by the moving. 



Boulders may run up to several tons 

 in weight. Where none is readily ob- 

 tainable, one can be simulated by in- 

 geniously combining a few small ones and 

 concealing the joints by the planting of 

 such things as stonecrops in earth which, 

 save in rare cases of sheer necessity, is 



