Wisconsin State Horticultural Society / Annual report of the Wisconsin State Horticultural Society for the year ending July 1, 1921
Vol. LI (1921)
Koch, H. F.
Outdoor rose growing, pp. 157-168 PDF (3.0 MB)
-77! ~ 7 -~~ '- 4 ~ -'. 7- .2 WISCONSIN STATE HORTICULTURAL SOCIETY 161 better it will go through the winter. The Hybrid Perpetuals I usually tie up, and wherever I possibly can, where the Hybrid Teas are not too vigorous or too tall, I bend them over gently. You can do it if you have a little patience, and they seem to stand it without very much trouble. The Climbers, of course, present a rather difficult problem. I take them down, and some- times it takes a great deal of pains in order to get them to lie perfectly flat on the ground, especially if they are old plants, where the canes are apt to be stiff.. Then I start to cover them with soil. I have found that soil is really the only thing that you can rely upon. Sifted ashes are no good. Good soil seems to be the thing. I take the Hybrid Perpetuals, and just simply hill them up as far as I can with such soil as I have to spare. The Hybrid Teas I cover entirely, and I cover the Climbers as far as possible. I cover the Climbers just as deep as I can, and I bury the Hybrid Teas deep. I usually do this right after the first frost. I wait until we have a frost, a fairly heavy frost. This I notice has a tendency to ripen the wood. After that I take them down, and keeping the soil loose so that I can work it, I take the loose soil and cover them. Now, in order to have enough soil I have made an excavation which I dug out a couple of feet deep, some thirty inches, I think, which gives me ample soil. I take the soil out of that, and I have plenty of soil to cover the roses just as deeply as it is necessary to cover them. Then I wait until we have a real hard frost, and when this frost comes I have plenty of litter, and straw, and my boys usually see that I have plenty of dry leaves. These are placed on top of the bushes. In the last year or so I have taken tar paper, so as to exclude the possibility of moisture getting through, and used it there; but 1 only do that on the Climbers. It is not necessary for the others. If your Climbers get a touch of frost, and the bark is destroyed any- where along the cane, from that point on your cane will die off. With the finer kinds, especially those that have a little Tea blood in them, instead of flowering, they will immediately start and throw out new canes. So if that ever happens to you, you might just as well cut it right off there, because then whatever canes you have left to flower are just so much the better. I have had experience, and I would not believe it at first, but I had the experience again this spring. 11
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