64 ROCK GARDENING FOR AMATEURS 



top would be covered with four inches of soil. If, however, 

 the planter takes care to have about two inches of soil 

 above the small roots and bulbs, and three or four inches 

 above the larger ones, he is not likely to go very far wrong. 

 In light soil one may with advantage plant bulbs more 

 deeply than in heavy soil. 



