May 2, 1914 



HOETICULTUEE 



663 



ROSE GROWING UNDER GLASS 



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Questions by our readers in line with any of the topics presented on this page will tje cordially received and promptly answered 

 by Mr. Ruziclia. Such communications should invariably be addressed to the office ot HORTICULTURE. 



Blackspot on the Yoang Plants 



If you have a buuch of Beauties in four-inch pots or 

 smaller that are beginning to crowd one another, keep a 

 sharp lookout for blackspot for it will creep in before 

 you are aware and then there will be a good piece of 

 work for some one. These foggy days that we have 

 once in a while during the spring seem to be an ideal 

 time for it to start. Look the plants over carefully, and 

 then take a little time and just reset them, picking off 

 all the yellow leaves that may be at the bottom, and set- 

 ting the tall plants to the north of the bench. All the 

 green scum that may appear here and there may be 

 removed, too, and thus the plants will be given a good 

 overhauling. If blackspot appears it is advisable to 

 spray at once with the ammoniacal copper carbonate 

 mixture. This will not cure the disease but will go a 

 good ways towards keeping it from spreading. Use 

 every possible precaution in watering, and if the plants 

 are well free from red spider do not syringe them for 

 a while. Keep them on the dry side, being careful, how- 

 ever, not to allow them to become too dry, for this would 

 lead to more of the spot. After watering take a little 

 lime and blow it all through the house in the evening. 

 It does not have to be blown under the plants or even 

 over them; merely blow it around above the walks, so 

 that the dust goes through the house. This will dry 

 the air out a good deal, and will be a great help to pre- 

 vent the spot from spreading. We are seldom troubled 

 with spot on the other varieties of roses; in fact we do 

 not even look for it, but with Beauties we like to be on 

 the lookout all the time. 



Outside Roses 



Now is the very best time to get all the weeds out of 

 the roses that are planted outside for summer bloom- 

 ing. The ground is nice and soft, being wet and if a 

 hold is secured on the top of the weed all the roots will 

 come up with it, thus doing away with it altogether. If 

 this is let go until the ground dries out a little bit, the 

 weeds will be difficult to pull, and it will be almost im- 

 possible to get them out. Get them out now, or there 

 will be trouble with them all summer long. 



Tfimming 



If the outside roses have not been pruned and trimmed 

 it is high time this was attended to, for they will be 

 growing soon, and that means just so much energy saved, 

 if they are pruned in time. Mulching should be seen 

 to at once, too, for delay will mean broken branches or 

 buds, for the most careful man will break a few now and 

 then. 



Tying 



Do not neglect to keep the plants tied up in nice shape 

 all along. There may be a good deal of other work 

 rushing but the old houses if given any care at all will 

 produce a wonderful lot of cut flowers, and these, even 

 if they do not bring as much as they did during the 

 winter, will help pay the coal bill just the same, for the 

 expense in getting them is next to nothing compared 



with the expense that they put us to in the fall or in 

 winter. For tying material we find nothing better than 

 the cheap one-ply jute that can be bought quite reason- 

 able by the pound in barrel lots. There are several 

 grades of this and it certainly does not pay to get the 

 very cheapest. This is usually so poor that a lot of it is 

 wasted, and then it is likely to be very uneven in thick- 

 ness, thus causing delay in tying. Eafi:a is nice but too 

 expensive for commercial use, and then a good deal of 

 time is wasted splitting it, and wetting, etc. We do not 

 advise using white grocery twine for tying as it will 

 shrink and later choke the plants, wherever it circles 

 around the shoots. Needless to say the growth should 

 be well spread out when tying and not bunched up in the 

 least, especially on the staked teas. Some will insist on 

 running a string all around the plant, drawing in all 

 tlie growth at tlie one tying. This method may well be 

 called the lazy man's way, for there is nothing that looks 

 worse than a job half done. Well-done is done twice, 

 and good work will pay better in the long run. 



Cleaning Up 



The annual house cleaning which come around every 

 spring should be carried to the greenhouses as well, and 

 all the old leaves that have been brushed under the 

 benches by careful ( ?) workers should be brushed out 

 and taken away to be plowed in the cornfields or some 

 other place where they will help produce something use- 

 ful instead of breeding bugs and germs in the green- 

 house. The potting shed will stand it, too, and there 

 may be some boilers that are no longer in xise that 

 should be cleaned and oiled, and note made of all the 

 parts that may be giving out within a short time. Take 

 the smoke pipes down and clean them, for the soot will 

 eat them up if they are allowed to remain half full of 

 soot. This will get damp and then it will work. If 

 you wish to test its strength put a little of it into a tin 

 can or galvanized pail, and then see how long it will be 

 without holes in the bottom. Boilers are affected the 

 same way, but they are thick, and will not rust through 

 in a little while. 



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