276 PLANTING THE ORNAMENTAL GROUNDS 



should have the full sun, and air, on , all mild days. They 

 will then make a slow, sturdy growth. All forcing should, 

 be avoided. These plants, set out when th<?re is no longer 



197. A modern dahlia aud its ancestor. Each half size. 



danger of frost, and well watered before completely covering 

 the roots, will grow right on, and often commence blooming 

 in July. 



Dormant roots may be set out in May. The roots, unless 

 small, should be divided before planting, as a single strong 

 root is usually better than a whole clump. The roots of all 

 but the Dwarf should be set about 3 -feet apart, in rows. 

 In poor soils none but the first class will need stakes. All 

 but these the writer prefers to grow in rather poor soil, and 



