OUTDOOR ROSE GROWING 



SEEDS 



In order to secure established varieties seeds are 

 used only in special cases, because they can only 

 be relied upon to reproduce plants of their own kind 

 when they are taken from original species. Seeds 

 of hybrids are useless for this end, as their seedlings 

 do not conform to the parent stock. In other words, 

 hybrids do not come true from seeds, and then* 

 seeds are only useful for new varieties. "Experi- 

 ments with Plants," by Osterhout, goes further 

 into the scientific treatment of seeds than any 

 book we have seen. 



LAYERING 



Many plants and some roses increase by layering, 

 that is, throwing out a branch which becomes rooted 

 and in turn sends out its branches to root themselves 

 and carry out nature's work of increase. Layering 

 is not practised to any great extent, as it is a longer 

 process than the others and requires not only more 

 time to accomplish results, but also more space 

 either in greenhouse or nursery. 



Layering is now only used for some varieties 

 which do not root well from cuttings. Ellwanger 

 cites Persian Yellow as one of these. 



It is a simple and easy operation, and is accom- 

 plished by bending down a rose cane of a growing 



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