Caper Seedling - Sleepless in NY

First time posting here while waiting for the dentist.
I’ve been searching to purchase a caper plant for awhile without any success. I called several places and they don’t sell such plants any longer. I do understand the limitations I have living in NY but I’m willing to do all I have to to make this work. I will keep the plant indoors in the winter.
Would anyone know if a place in the US that sells caper seedlings?

Thanks!

Hi, sorry I didn't see this till now. I suffer from caper obsessive disorder (an annual condition, but it's stabilising out and I only collect about twice the amount I need in recent years, rather than 10 times, like I used to). And I also grew up in New York state, and now live in a place where capers grow wild.

The good news for you is, where I live now, at high altitude in the Himalayas, has similar temperature winters to downstate New York where I grew up. Minimum temperatures of -10 to -13F (-23 to -25C), and 6 to 8 weeks of pond skating.

But the bad news for you is, it is very very, .... verrrrry.... dry here. I don't know how capers would like the humidity and precipitation of New York. Here, if we get a rainy summer, which means maybe a total of 5 rainy-ish days in a month, a lot of the wild caper plants get some kind of powdery white mildew. It only happens once in five or 10 years here.