Brent at Evergreengardenworks doesn't have any Prunus Mume available. I thought he made it perfectly clear on his website that its near impossible for him to propagate them due to his climate.
I had a conversation with him last year regarding Prunus mume and the difficulties he was having with propagating them. Although they have grown them successfully for many years, albeit with difficulty, they had many crop failures last year because of the changes to their weather. As we know that area of the country has seen some severe drought and increases in temperature in the last few years.
He did not say he was no longer growing them entirely yet. They are rethinking their approach for now and will not have any available for the time being.
This is consistent with the conversation I had with him last year.
I agree it seems like trying to continue growing them in his climate may be impossible to the point where it is no longer worth trying to do.
They may decide to give up on Prunus mume, but until he actually says he is giving up on them, its worth while to keep checking back at his web site.
Unfortunately I do think it is very likely he will stop trying to grow them as it probably isnt worth the work and effort for the rate of success at this point.
This is the quote from his web site where he discusses the difficulties of growing them:
I did miss the part about having "to take off several years"
Growing mume is problematic for many people including us.
Unfortunately, mume are very difficult for us to grow from cuttings. They like cool humid summer temperatures, and our weather is hot semi arid, the polar opposite. The challenge is enormous, and we will have to take off several years to rethink how to do this. We will keep the descriptive part of the catalog intact, but will not list prices or availability until we actually have plants to sell. This will avoid the confusion and disappointment. So, please do not request mume until they are actually listed, we will not have any.
Just remembered that member here
@Pitoon has been working on cultivating them as well so maybe he is at the point where he can also be a source?