Black spot, caused by the fungus Diplocarpon rosae, is a common rose disease that weakens plants with black spots on leaves, eventually leading to defoliation. Favorable conditions include moderate temperatures...
Rose dieback is a condition where stems die from the tips down, caused by stress, improper pruning, or fungus. Fungal spread is favored by cool, moist weather (15-24°C) and high...
What: Powdery mildew is a serious fungal disease that affects rosesLook & Feel: It appears as a white powdery growth on the leaves, stems, buds, and flowers of the plantSymptom: Powdery mildew...
Rose thrips, tiny insects with piercing-sucking mouthparts, can devastate your rose bushes. Look for silvery streaks and distorted leaves, signs of thrips feeding on sap. These warm-weather, low-humidity pests damage...
Rose slugs, slimy green insects up to ½ inch long, feast on rose leaves leaving transparent "windowpane" damage. To control them, look for soft-bodied green caterpillars with black or orange...
Rose scales are sap-sucking insects that damage rose plants by feeding on their stems and leaves. This weakens the plant, causing yellowing leaves, stunted growth, wilting, and even death in...