Our new house has several rose bushes. Some just regular roses, some climbing roses and some ornamental ones. Many of them have black spot on them, some have the green little bugs on them (aphids?) and some have bigger black bugs inside them. Some also have yellowish leaves. I have brought some rose spray for the bugs and black spot, though would prefer not to use it if I can avoid it. I know the yellowish leaves means some sort of nutrient deficiency in the soil. I water them every 3ish days with the sprinkler (so give each garden bed about 15mins with it on low). We don't have alot of money atm so can't spend alot on the gardens just yet. I was hoping some of you garden entrepreneurs out there could give me some cheap, possibly home made remedies for my roses. They are gorgeous and are all blooming rather wonderfully considering they seem to have been neglected by the former tennents. So any ideas??