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> February 25, 1909. 



The Weekly Florists^ Review* 



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Summer Scene at Grounds of Z. G. Simmons^ Kenosha^ Wis* 



tained the exact strength needed, you will 

 use nothing else. It is both simple and 

 effective and not at all expensive. 



We forgot to say that Lady Hume 

 Campbell is the double violet least sub- 

 ject to disease. Marie Louise is a splen- 

 did dark varietv. C. W. 



VINCA FOLIAGE DISEASED. 



I enclose a sample of diseased vinca 

 vine. Please inform me as to the cause 

 of the trouble and a remedy for it. 



M. A. B. 



It is not uncommon to see occasional 

 plants of the variegated vinca afifected 

 in this way. There are ,two principal 

 causes, growing the plants in a house 

 where they get little or no sun and too 

 low a temperature. Vincaa will grow 

 in a house just above freezing, but suc- 

 ceed best in a night temperature of 50 de- 

 grees, where they can have plenty of sun 

 and air. A favorite way to grow them i.s 

 along the edges of the benches. I should 

 advise cutting down the affected plants. 

 Run a little on the dry side until they 

 break away from the bottoms freely 

 again, and grow in a light, sunny house. 

 This trouble need not worry you. It is 

 due to some cause which can be easily 

 remedied. C. W. 



HARRISII BUDS TURN YELLOV. 



I have been growing Harrisii lilies for 

 five years and have had quite a loss each 

 year through the buds coming deaf. The 

 buds will sometimes get a full inch long 

 before they get yellow and dry up. The 

 lot I grew this year I was very particu- 

 lar with, in both heating and watering. 

 ^t no time were they over 60 degrees at 

 night. The bulbs were first-class and 

 r ooted w ell before being put on the bench, 

 where they grew as well as any pprson 



could expect. They reached the full 

 height of the ordinary Harrisii and had 

 perfect leaves to the buds. If you pos- 

 sibly can, I wish you would enlighten me 

 on this subject. Stanch Reader. 



Your temperature has been ideal for 

 Harrisii and, as you say watering has 

 been carefully done, there must be some 

 other cause for the buds turning yellow. 

 Attacks of green aphis will cause this 

 trouble more quickly than anything else. 

 Are you quite sure your plants have been 

 regularly fumigated and that aphis has 

 not been allowed to get in its work while 

 the buds were young and hidden within 

 the upper leaves? Overdoses of chem- 

 ical fertilizers, such as nitrate of soda, 

 will cause buds to yellow; also moving 

 plants from a high to a low temperature. 

 We are inclined to think the aphis may 

 have been the cause of the trouble. 



C. W. 



CEWENT GUTTERS AND BENCHES. 



' ' Cement gutters and benches versus 

 those of other material furnish a topic 

 that is often heard about lately. Winter 

 weather has caiised much havoc with the 

 cement work at different establish- 

 ments. ' ' 



Tlie above paragraph recently ap- 

 peared in print and since we have recom- 

 mended cement gutters to those who saw 

 them at our place during the carnation 

 meeting, as well as to a great number 

 of friends who wrote in regard to them, 

 we wish to say that our cement gutters 

 came through the severe winter weather 

 in perfect shape. We are so well pleased 

 with our experiment with a real concrete 

 gutter (cement and gravel, wet) that we 

 are now casting 1,200 lineal feet of the 

 same kind of gutter. 



Anyone familiar with cement work can 

 make these gutters. The outlay for 



forms, cast-iron attachments and rein- 

 forcement is small. 



While we are always glad to answer 

 inquiries regarding this gutter, we wish 

 to say that drawings and instructions 

 for making it will be published if further 

 tests on a larger sc-ale confirm our ex- 

 pectations. 



We also wish to say that, notwith- 

 standing careful inquiries, we failed to 

 locate any cement greenhouse walls in 

 this country with which the winter 

 weather had "caused much havoc." 

 Neither, we are glad to state, was any- 

 body in this vicinity unfortunate enough 

 to have his cement benches exposed to 

 the winter weather. 



Smith & Young Co. 



DECAYED PANDANUS. 



I enclose part of a leaf of Pandanus 

 V'eitchii. I keep them in a house with 

 a temperature of 55 to 60 degrees at 

 night. They were fine plants when I 

 purchased them, two months ago, but 

 they are all spotted now, and decaying 

 at the top of the pot. Will you kindly 

 let me know what causes thisf 



R. F. G. 



The pandanus in question have evi- 

 dently had a chill, if not actually touched 

 by frost. The damage was probably 

 done in transit at the time of purchase. 



A temperature of 55 degrees is rather 

 loo low for Pandanus Veitchii, and if 

 the plants were kept a little too wet at 

 such a temperature, the leaves would be 

 likely to spot more or less. A night tem- 

 perature of 60 to 65 degrees is much 

 more favorable for this plant. 



W. H. T. 



Olean, N. Y. — Mrs. F. H. Johnson has 

 not a large place, but reports business 

 good, particularly in design work. 



