Q.My Candy Corn Spirea Have Very Little Leaves On Them This Year What Is The Problem Are They Still Comming Back From The Winter?
we had them for 3 years and have cut them back to about 10in. high late last fall. they are not filling out like they have in the past years

Certified GKH Gardening Expert
Typically, they can become invasive! I would test your soil for deficiencies. These articles will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/ornamental/shrubs/spirea/growing-spirea-shrubs.htm
https://www.gardeningknowhow.com/ornamental/shrubs/spirea/how-to-control-japanese-spirea.htm