When growing roses, the soil should feel moist deep down. Watering should be done in the morning. That can prevent problems called black spot and mildew. But do not water too much. Jeffrey Dinslage says people often ask him about unhealthy discoloration on rose leaves. _______________________当种植玫瑰时,土壤应该浇透.浇水应该在上午进行,这样可以防止黑点与霉斑. 但水不要浇得太多.Jeffrey Dinslage称,人们经常就玫瑰叶子不健康的斑点请教他.______________________