Transplant Remontant Roses in the Fall if possible; if not, then very early in the Spring, in March, while they are still dormant and when the frost is just out of the ground. If the season is rainless watch them carefully and be sure that they do not dry out. Very good Roses are grown in California, much better than in Holland, and these should be used if you cannot obtain plants from some Northern nursery. Dormant Roses set out in the Spring will not bloom well the first year, and will be a little later than those established in your garden; but by filling out with dormant stock each year you will prolong the blooming season to quite an extent. If dormant Roses are dried out when they are received bury them in a damp trench for two or three days, and they will come to life again.
Remontant Roses do better in clay soil but will grow perfectly well in good garden loam. If possible, get Roses that have been grown on their own roots, but if they are budded plants, set the bud three inches underground and cut off any shoots that are thrown off below it, as soon as they appear. These you will be able to recognize as they differ in character from the budded growth. The roots of Roses should not come in contact with stable manure; if you use a shovelful in the excavation cover it up with three inches of good soil and let the roots find it. Cow manure is the best to use. As soon as the buds start in the Spring saturate the ground around the roots with manure-water (half cow, half horse), of the colour of fairly strong tea, twice a week until after blooming time. You will find that the flowers will be improved in size and borne more profusely.
Some English gardeners in the Spring lay down two or three of the long shoots of the Hardy Perpetual Roses, merely cutting off a couple of inches from the ends, and peg them to the ground. The other shoots are pruned back. In this way more bloom may be had, but of course the method should only be employed in the Rose bed or Rose garden. The next year these shoots are cut off and other shoots pegged down to take their places.