Mine (a golden leafed cultivar which has been fully hardy for the 5+ years it has been here) didn’t fare well this winter. I think the more than 2 weeks in December and early January that it didn’t get much above 0F was too much for it. I like them enough that I will prune them back and then wait to see what happens. I have seen them resprout from the roots quite late after a hard winter.

I have a lil miss sunshine that has had 2 successful years up here in The Great White North of southern Ontario, Canada. Mid-May and although it isnt dead, it shows no sign of coming out of dormancy.. a watched pot never boils...

I have similar problem with my Worcester Gold Caryopteris, I'm in Niagara region Ontario.

Its June 6 and still hasn't leafed out, I pruned it back hard last fall so mayb'e thats the problem. I snipped a couple of brown stems and see some green but still no sign of leafing out. Should I give up and replace it or just hang on a bit longer, I'm not sure of what to do. Any advice appc'td. John.

Can't advise you on that as I didn't have the heart to get rid of mine until late July. By that time, I was sure it was dead. I love this plant but I would never get another one after this experience.

Well I bit the bullet and pulled my Worcester Gold Caryopteris out y'day June 8th, have put it in a big pot with potting soil and we'll see if it picks up/leafs out again. Will be planting a new plant exactly same Genus in same place tomorrow but will enrich the soil with good potting soil before planting and see how this one does. Fingers crossed. John.

I hope you have better luck than I did. I don't know what zone you are in, but I am in zone 5a and have lakes nearby with cold coming in from the Canadian north. It was in a protected area that got full sun, and it was bundled up for the winter with extra mulch and leaves and even at one point was completely insulated with snow, and that still wasn't enough to save it. On another garden forum I was told by someone that Caryopteris is a short-lived plant, especially if overwatered or planted in poorly drained soil, and I shouldn't expect it to last forever. So, I should think of it like an annual, so I don't get a broken heart when it dies. I did toy with the idea of replacing it but opted against it in the end. Anyway, I wish you luck and long life to your plant.

I'm in Niagara region Southern Ontario.

After 3 years I’d say only 60% of mine are coming back. They’re unpredictable and I suspect short-lived.