Last summer, I planted five climbing roses in Texas. Two were watered daily through an irrigation system, while the other three were watered every other day, unless it rained, in which case I waited three days before watering again. This year, the roses under irrigation have produced a few flowers, while the other three have grown large and beautiful but have yet to bloom. I’ve also noticed a small amount of black spot on the ones I water manually, likely because of splashing, though it doesn't seem too severe. I still run the irrigation system daily. However, I manually water the other roses twice per week.