Does anyone know what these blue spots are?? They’re all ...

Does anyone know what these blue spots are?? They’re all over my aster. I’m a little concerned 😞
#NewPlantMom #HappyPlants floweringPlants">#floweringPlants #Aster #NewGrowth

Elise

Giant Crego Aster

4” pot without drainage

Last watered 1 year ago

1Y ago

Dawn

10668 XP

1Y ago

@buzzie

It looks to me like powdery mildew. Here is an article all about it to see if that’s it so you can treat it. https://www.thespruce.com/powdery-mildew-1402500