If you see a plant like this, covered in white powder, or with powdery dots and limp leaves, AVOID! These are all suffering from powdery mildew or another similar fungal disease, and it spreads so String of Pearls Plant Care Guide Living House Figure 1 from Micropropagation of lavender ( Lavandula angustifolia ) Semantic Scholar ZZ Plant Care and Maintenance Tips HGTV Painting Garden Pots with Annie Sloan Chalk Paint Our Southern Home Foxglove Growing Guide!!! How & When to Sow, Plant, & Harvest Foxgloves, Save Seed + Best Varieties!