Gardening: Hints for growing roses in tricky soil

If someone tells you that growing roses in Saskatchewan is like growing any other shrub, either they have never grown roses, or they lucked out with their soil, microclimate and the particular cultivar they were growing.
While many shrubs are adaptable to various soils, roses are more selective. In much of Saskatchewan we are blessed with either very sandy or very heavy clay soils, neither of which is conducive to growing roses.
Those with soils between these two extremes are lucky and can proba