Q.I Have White Spot Like Growths On The Leaves And Main Stems Of My Lace Cap Hydrangeas. Good Or Bad ?
The plant gets morning sun but shade the rest of the time.
Certified GKH Gardening Expert
Unfortunately, your photo did not come through. There are a few things that could cause these symptoms.
Here are some articles that will help in the meantime:
https://www.gardeningknowhow.com/plant-problems/pests/insects/woolly-aphid-control.htm
https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm
https://www.gardeningknowhow.com/plant-problems/pests/insects/what-is-soft-scale.htm
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/lacecap-hydrangea-care.htm