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THE GARDEN MAGAZINE 



May, 19 18 



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OW is the time to guard 



against them, while 



things are in blossom 



and then there are later pests to 



come. Protection doesn't cost 



much — but it saves everything — it keeps your time and 



labor from being wasted. To wait until later will be too late 



— now is the time you must learn what to do so you can do 



without delay. 



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CORONA CHEMICAL COMPANY 



Dept. 6 Milwaukee, Wis. 



TOWNSEND'S 

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Dividing Perennials in the Spring 



MANY of the perennials must be divided 

 annually if they are to give the best 

 results as otherwise the clump or mass be- 

 comes too dense and full of old useless growth, 

 with dead stalks in the centre. These in 

 time become hollow. 



The Hardy Asters, for example, are most 

 satisfactory when taken up and separated 

 every season, and the best time to do this work 

 is early in the spring. They come apart 

 very easily and should be replanted in rich 

 soil. The popularity of the Hardy Asters 

 has grown rapidly of late, and it is easy to 

 make a fine display in a few years from a very 

 small beginning. 



Another late blooming perennial which 

 needs the same treatment is the Helenium, 

 the great flower heads of which soon begin to 

 diminish in size if frequent separation of the 

 roots is neglected. It is important to have 

 newly enriched ground for them, as they 

 are heavy feeders, and they prefer a sunny 

 position. Boltonias are in the same class 

 and should never be left longer than two 

 years without a division of the roots, an 

 annual separation being better. 



An annual division of the Achillea is also 

 advisable, not so much because the old plants 

 die out as because great numbers of new 

 plants spring up from white, thread-like 

 runners and quickly come to occupy more 

 space than is allotted to them. This also 

 applies to the Bocconia or Plume Poppy, 

 which becomes a nuisance unless most of the 

 new plants are dug out in the spring, to be set 

 elsewhere or thrown away. 



The now popular Shasta Daisy needs divis- 

 ion every two years, as it makes exceedingly 

 rapid growth. Young plants of this variety 

 of Chrysanthemum should not be allowed to 

 bloom very freely the first year. Once in 

 three years is often enough to divide Pyre- 

 thrum Uliginosum, which is another form of 

 Chrysanthemum. 



Most of the other perennials do well if 

 divided once in three years, but some should 

 be allowed to go much longer. There is no 

 reason for dividing the Dictamnus or Gas 

 Plant at all, as it will live longer than the 

 average gardener if left alone. The Bleeding 

 Heart improves for many years without 

 division. Many people think that this is 

 true of the Lily-of-the-Valley, which is a 

 mistake. This favorite flower should be 

 divided every three or four years if it is to be 

 kept free flowering. 



The Larkspurs go well for four years 

 without being disturbed and then the work 

 of separation must be done carefully, for each 

 division must be left with a good crown and 

 plenty of root fibers. The work is best done 

 with a sharp knife after the earth has been 

 washed from the roots, and when replanted 

 the crown should be two inches under ground. 



Very early flowering perennials like the 

 Doronicum, or Leopard's Bane, are best 

 divided after they have flowered, in order 

 that blooming may not be interfered with. 

 Plants that have heavy root stalks, difficult 

 to separate, should not be divided too severely, 

 or flowering will be seriously interfered with. 

 This applies especially to Larkspur. When 

 the roots are easily pulled apart, making 

 many distinct plants, the division may be 

 made more freely. 



Generally speaking "dividing" perennials is 

 absolutely simple: just chop through the mass 

 with a spade. 



Massachusetts. E. I. Farrington. 



The Readers' Service is prepared to help you solve your gardening problems 



